JLG Telehandler Personnel Work Platform Operator Manual

®
OWNER/OPERATOR MANUAL
®
TF6-42
®
Form #20136
CORPORATE OFFICE
JLG INDUSTRIES, INC. 1 JLG DRIVE McConnellsburg, PA 17233-9533 USA Telephone: (717) 485-5161 Fax: (717) 485-6417
9150-4003
March 2003
Starting Serial No.
0192001 thru 0192007
& 0160000052 thru Current
Original Issue 03/03
GRADALL DIVISION
JLG INDUSTRIES, INC. 406 Mill Avenue S.W. New Philadelphia, OH 44663 USA Telephone: (330) 339-2211 Fax: (330) 339-8458
TF6-42 MATERIAL HANDLER
“TRANSFORMER SERIES”
OWNER/OPERATOR MANUAL
COVERING OPERATION & PERIODIC MAINTENANCE
IMPORTANT!
Read and understand this Manual, the Transformer Series Work Platform Owner/Operator Manual, the Gradall Material Handler Safety Manual, the ANSI A92.5 Responsibilities Manual, and the EMI Aerial
material handler
Work Platform Safety Manual before starting, operating or performing maintenance procedures on this machine.
KEEP OPERATOR AND SAFETY MANUALS IN CAB
A Company
Form No. 20136
®
COVERS MATERIAL HANDLER TF6-42
STARTING SERIAL NUMBER 0192001 THRU 0192007
AND SERIAL NUMBER 0160000052 THRU CURRENT
Part No. 9150-4003
®
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IMPORTANT SAFETY NOTICE

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Safe operation depends on reliable equipment and proper operating procedures. Performing the checks and services described in this Manual will help keep your JLG/GRADALL Material Handler in reliable condition. Following recommended operating procedures can help you avoid accidents. Because some procedures may be new to even the experienced operator, we require that this Manual be read, understood and complied with by all who operate this machine.
Strict attention to and compliance with instructions provided in this Manual, the Transformer Series Work Platform Owner/Operator Manual, the GRADALL Material Handler Safety Manual, the ANSI A92.5 Responsibilities Manual, the EMI Aerial Work Platform Safety Manual, as well as instructional decals and plates affixed to the machine and attachments will help prevent injuries to personnel and damage to the equipment. The information provided herein is not intended to cover all situations; it is impossible to anticipate and evaluate all possible applications and methods of operation for this equipment.
This Manual covers recommended operating procedures and basic maintenance checks and services for the Material Handler. Detailed maintenance information is available in the appropriate Service Manual.
Any procedure not specifically recommended by JLG/GRADALL must be thoroughly evaluated from the standpoint of safety before it is placed in practice. If you are not sure, contact your JLG/GRADALL Material Handler Distributor before operating.
Use only JLG/GRADALL authorized parts. The use of counterfeit parts may cause premature failure which could lead to injuries and/or machine damage.
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Do not modify this machine without written
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permission from JLG/GRADALL. Use only
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genuine JLG/GRADALL replacement parts.
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OTHER NOTICES
JLG/GRADALL retains all proprietary rights to the information contained in this Manual.
JLG/GRADALL reserves the right to change specifications without notice.
GRADALL is a registered trademark for Hydraulic Excavators, Hydraulic Material Handlers and Attachments manufactured by The JLG/Gradall Company.

REVISIONS

This page is provided so you may determine that this Manual is complete and current with respect to JLG/ Gradall Engineering Specifications.
Page Date Revision
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual

TABLE OF CONTENTS

MATERIAL HANDLER
IMPORTANT SAFETY NOTICE ..................................................... inside front cover
TABLE OF CONTENTS INTRODUCTION
SAFETY HIGHLIGHTS ............................................................... 1.0
DECALS ................................................................................. 2.0
OPERATORS CAB..................................................................... 3.0
CHECKS & SERVICES BEFORE STARTING ENGINE ....................... 4.0
WARM-UP & OPERATIONAL CHECKS........................................... 5.0
ENGINE OPERATION................................................................ 6.0
BRAKE SYSTEM ....................................................................... 7.0
PARKING THE HANDLER ........................................................... 8.0
STEERING SYSTEM .................................................................. 9.0
DRIVE TRAIN .......................................................................... 10.0
LEVELING THE HANDLER ......................................................... 11.0
OPERATING PROCEDURE & TECHNIQUES .................................. 12.0
UNDERSTANDING RATED CAPACITY CHARTS ............................... 13.0
“TRANSFORMER” WORK PLATFORM INSTALLATION ...................... 14.0
ATTACHMENT INSTALLATION ..................................................... 15.0
OBTAINING HYDRAULIC OIL SAMPLE FOR ANALYSIS .................... 16.0
LOADING & SECURING FOR TRANSPORT .................................... 17.0
MOVING HANDLER IN EMERGENCY ............................................ 18.0
MAINTENANCE SECTION .......................................................... 19.0
RECOMMENDED LUBRICANTS & CAPACITIES .............................. 20.0
BOOM MAINTENANCE .............................................................. 21.0
INSPECTION AND MAINTENANCE LOG ....................................... 22.0
TRANSFORMER SERIES WORK PLATFORM
IMPORTANT SAFETY NOTICE ..................................................... inside front cover
TABLE OF CONTENTS INTRODUCTION
SAFETY ................................................................................. P1.0
DECAL LOCATIONS .................................................................. P2.0
DECALS ................................................................................. P3.0
NOMENCLATURE ..................................................................... P4.0
WORK PLATFORM INSTALLATION............................................... P5.0
CHECKS BEFORE USING .......................................................... P6.0
WARM-UP & OPERATIONAL CHECKS .......................................... P6.1
DAILY “WALK-AROUND INSPECTION” ......................................... P6.2
DAILY REAR AXLE LOCK-OUT TEST PROCEDURE ......................... P7.0
PLATFORM CONTROLS & INDICATORS ....................................... P8.0
PLATFORM OPERATION ............................................................ P9.0
EMERGENCY PROCEDURES ....................................................... P10.0
General
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This Manual provides important information regarding safe operating and maintenance requirements for JLG/GRADALL Material Handlers. Refer to front cover for specific model and serial number range.
If you have any questions regarding the material handler, contact your JLG/ GRADALL Distributor.
Operator Qualifications
Operators of the material handler must be in good physical and mental condition, have normal reflexes and reaction time, good vision and depth perception and normal hearing. He must not be using medication which could impair abilities nor be under the influence of alcohol or any other intoxicant during the work shift.
The operator should possess a valid, applicable driver’s license and must have completed a training course for this type of equipment.
In addition, the operator must read/view, understand and comply with instructions contained in the following material furnished with the material handler:
• This Owner/Operator Manual
• The Transformer Series Work Platform Owner/Operator Manual
• ANSI Responsibilities Manual
• EMI Aerial Work Platform Safety Manual
• GRADALL Material Handler Safety Manual
• All instructional decals and plates
• Any optional equipment instructions furnished

INTRODUCTION

NOTE!
“Material handler” and handler are used interchangeably throughout this Manual.
NOTE!
Though no offense or discrimination is intended, only the masculine pronouns will be used throughout the remainder of this Manual.
NOTE!
In the U.S.A., the operator must have completed a training course meeting the OSHA Powered Industrial Truck Operator Training Requirements (CFR 1910.178)
FRONT
The operator must also read, understand and comply with all applicable Employer, Industry and Governmental rules, standards and regulations.
Orientation
LEFT
When used to describe the location of components in the material handler, the directions “front’”, “rear”, “right” and “left” relate to the orientation of a person sitting in the operator’s seat. (See figure I-1)
Related Manuals & Decals
Separate publications are furnished with the material handler to provide information concerning safety, replacement parts, maintenance procedures, theory of operation and vendor components. Replacement manuals, decals and instruction plates can be ordered from your JLG/GRADALL Distributor.
Models Covered
This Manual covers basic information for JLG/Gradall Material Handlers. Detailed information for each particular machine is in the maintenance section in the back of this manual. Be certain to refer to proper information for your unit and the optional equipment furnished on your machine.
REAR
Figure I-1
GRADALL IS A REGISTERED TRADEMARK FOR HYDRAULIC EQUIPMENT BUILT BY THE GRADALL CO. MANUFACTURED IN THE U.S.A.
406 MILL AVE. S.W., NEW PHILADELPHIA, OHIO 44663
(WITHOUT ATTACHMENTS)
CAPACITY WITH STANDARD
ATTACHMENT
48" & 72" CARRIAGE.
6.6
42'
24"
24"
2.0' 26.9'
19430 LBS
C
B
1.0
4.6'
D
24"
A
24"
TRUCK &
CAP#
ATTACHMENT
DCBA
1000
WEIGHT
6.6
2.0'
20,180
42' 24" 24"
6.6
2.0'
20,290
42' 24"
24"
6.6
2.7'
20,460
42' 24" 24"
6.6
2.7'
20,650
24"24"42'
AS RELEASED FROM FACTORY THIS TRUCK MEETS THE DESIGN SPECIFICATIONS ESTABLISHED IN AMERICAN NATIONAL STANDARDS FOR POWERED INDUSTRIAL TRUCKS PART III ASME B56.6b-1998.
CAP# X1000
A
B
C
SAMPLE ONLY
D
SHIPPED WIT
48" CARRIAGE P/N 9140-5073 *
72" CARRIAGE P/N 9140-5074 *
48" SLOPE PILER P/N 9140-5101 *
72" SLOPE PILER P/N 9140-5079 *
Serial Number Location (See figure I-2)
Specify Model Number and Serial Number when ordering parts and when discussing specific applications and procedures with your Distributor. The model/serial number plate is located inside the operator’s cab, right wall.
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This machine has been equipped with a serial number specific Transformer Series
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Personnel Work Platform. Do not exchange transformer platforms between
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machines. Doing so will require calibration changes to the controller that must be
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performed by a qualified service technician. This platform assembly is designed
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soley for use with the
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Transformer Model Machines only.
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
Important Notice !
*WEIGHTS ARE BASED ON USING 2 X 4 X 48" FORKS (APPROX. 268# PER PAIR) **BUCKET DIMENSIONS (A & D) REFER TO BUCKET LIP HEIGHT. ***TRUSS BOOM & WINCH DIMENSIONS (A & D) REFER TO HOOK CENTER. ****WEIGHT IS BASED ON SP'L SWING MAST FORKS (APPROX. 230# PER PAIR) *****PLATFORM DIMENSIONS (A & D) REFER TO CENTER OF FLOOR.
FORKS RATED LESS THAN THE ATTACHMENT CAPACITY SHOWN ABOVE DECREASE CAPACITY OF ATTACHMENT TO THAT OF FORKS. FORKS RATED MORE THAN ATTACHMENT CAPACITY DO NOT INCREASE ATTACHMENT CAPACITY.
Figure I-2
9147-3131 (B)
RIGHT

SAFETY HIGHLIGHTS

DANGER
!
WARNING
!
CAUTION
!
WARNING
!
Read and understand all manuals and instructional material listed on cover, inside front cover and introduction page of this Manual before starting, operating or performing maintenance procedures on this equipment.
Regardless of previous experience operating similar equipment, the operator must be given sufficient opportunity to practice with the handler in a safe, open area (not hazardous to people or property) to gain operating skills and the proper “feel” for controls and operating clearances required for safe, efficient operation.
JLG/GRADALL Material Handlers are equipped with a right-side rearview mirror. This mirror is intended as an operator’s aid and does not replace the requirement for line-of-sight. Certain job site and machine conditions may require use of a signal person to help the operator when picking, placing or transporting a load. Never operate the handler until you know pick-up point, line of travel and landing point are clear. Always be aware that objects in mirror are closer than they appear.
Safety Precautions
Make sure all DANGER, WARNING, CAUTION and INSTRUCTIONAL DECALS are in place and can be read. Clean or replace decals as required.
Ensure handler is on a firm, level surface before lifting or placing load. Have surface leveled if necessary. Unit can tip over if load is raised with handler
on a soft or uneven surface.
Be aware that when rotating the platform within indicated area on capacity charts, it can swing into tires. Be sure to allow clearance to avoid damage to tires.
WATCH FOR THESE SYMBOLS ; THEY CALL YOUR ATTENTION TO SAFETY NOTICES.
This symbol indicates an extreme hazard which will result in high probability of death or serious injury if proper precautions are not taken.
This symbol indicates a hazard which could result in death or serious injury if proper precautions are not taken.
This symbol indicates a hazard which may result in injury or damage to equipment or property if proper precautions are not taken.
When traveling at high rates of speed, use two wheel front steer mode and
slow the machine prior to turning.
Do not change steer mode while the machine is traveling. Change the
steer mode only when machine is stopped.
Always look in the direction of travel. Reduce speed and be especially careful when traveling in reverse and/or turning. Bring the machine to a complete stop before changing the direction of travel.
Travel in reverse only at slow rates of speed.
When turning, the forks on the four wheel steer machine sweep through an arc beyond the turn radius of the tires. Maintain adequate clearance between
the forks/load and other objects.
If load or conditions obstruct view, use a signal person when lifting, carrying or placing a load.
Loose clothing can get caught in moving machinery and can also cause accidental actuation of controls. Dress properly for the job.
Be alert to any unusual response to controls. If unusual response is noticed, position handler in a safe area, lower forks to ground, apply parking brake, stop engine and remove key from ignition switch. Tag steering wheel to forbid operation and notify maintenance personnel.
Operator must be seated with seat belt fastened, transmission control lever in “Neutral” position, parking brake applied and all hydraulic controls in “Neutral” before starting engine.
1.0
SAFETY HIGHLIGHTS
Keep hands, gloves, shoes, control knobs and pedals clean. Slippery controls can cause accidents. Keep a firm grip on the steering wheel when traveling.
Load capacities are based on load center being within .6m (24 inches) from front vertical face of forks.
Release trapped pressure before disconnecting, opening or removing any
hydraulic component.
Keep all windows and mirror(s) clean. Adjust mirror(s) as visibility, before and during opera
Do not increase engine speed with the transmission in forward or reverse and the service brake pedal depressed in an attempt to get quicker
hydraulic performance. This could cause unexpected machine movement.
After bringing the material handler to a stop using the service brake, place the directional control lever in neutral, and set the park brake prior to lifting a load.
Allow the handler to slow down, or use the service brakes prior to down-shifting.
Do not downshift more than one gear at a time.
When traveling on downhill slopes, downshift to a lower gear and use the service brake as necessary to maintain a slow speed. Do not shift into neutral and
coast downhill.
tion.
required for maximum
WARNING
!
Contact The JLG/Gradall Company prior to welding on machine.
WARNING
!
Do not operate the “transformer series” platform without proper installation, including electrical and hydraulic connections in place.
Never permit diesel engine to run out of fuel. Doing so can cause severe engine damage.
DO NOT burn or drill holes in forks. Modifying any part of machine or attachment affects it’s capacity and/or stability of machine.
Keep head, arms, hands, legs and all other body parts inside the operator’s cab at all times.
DO NOT approach power lines, overhead or underground cables or other power sources with any part of your material handler or load unless all local, state/provincial and federal regulations have been met and the appropriate utility company’s hotline has been contacted to de-energize the lines.
Whenever leaving the cab, perform standard shut-down procedure:
Standard Shut-Down Procedure
Position the handler in a safe location, lower forks/attachment to ground, apply park brake, move all controls to minutes. emergency stop button in run mode. Chock wheels.
Rotate control station selector switch to “off”, remove key and place
“Neutral”, allow engine to run at low idle for 3 to 5
WARNING
!
Do not allow personnel to tamper with or operate the machine from the cab with personnel in the platform equipped with controls, except in an emergency.
Do not allow others to occupy cab while platform controls are in use.
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
1.1
SAFETY HIGHLIGHTS
Pinch Points
Stay clear of pinch points and rotating parts on the material handler. Getting caught in a pinch point or a moving part can cause serious injury or death. Before performing any maintenance on machine, follow the “STANDARD SHUT-DOWN PROCEDURE” on page 1.1.
Front & Rear Steering Axles
Boom Holes Attachment Tilt Cylinder
Boom
1.2
Carriage Forks
R
Platform & Tires
Fork Pin Area on Carriages
SAFETY HIGHLIGHTS
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
DECAL LOCATIONS
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14-3283
NO RIDERS PERMITTED ON HANDLER.
IN MACHINE
RIDERS COULD F
OFF MACHINE
CAUSING SERIOUS INJUR
7733-3027
** unknown ** ** unknown **
CHECK OIL
LEVEL
WITH
HANDLER LEVEL
AND
CYLINDERS RETRACTED.
2.5 GALLON BETWEEN AND FULL
LEVEL
14-3282
14-3282
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A
N
S
S
N
E
O
E
E
S
D
Z
M
S
*
D
O
A
A
L
L
R
L
U
F
F
G
O
P
T
Y
C
E
L
O
T
L
E
S
N
E
4
E
N
K
8
F
S
*
C
2
I
O
A
3
I
-
H
S
Y
4
T
E
1
C
R
C
1
R
H
9
A
E
U
T
A
T
E
E
R
T
O
T
N
A
W
T
I
S
B
*
L
E N I
E
E
G
V
E
R
A
E
S
U
M
L
E
S
A
H
S
R
D
T
A
E
*
R
P
W
O
O
O
R
Y
L
P
L
R
U
T
O
J
A
F
N I
S
O
I
T
S
U
E
O
R
I
U
R L I
E
A
S
F
M
N
I
E
T
T
S
L
Y U
S S E
L
R
A
C I R T
C E L E
8
9
7
5
A
4
3
A
10
15
A-A
R
E " G 2 I 7 A & R " R 8 A 4 C
RM O TF LA K P R O W
G
E G
IN
IA
W
R S °
R 0
A 0
C 1
T S A M . T F 6
8 61 3
­0 4 1 9
6
11
12
19
13
17
STAY CLEAR OF PINCH POINT AREA ANYTIME ENGINE IS RUNNING. BEING IN PINCH POINT AREA COULD CAUSE SERIOUS INJURY OR DEATH.
9114-3282
STAY CLEAR OF PINCH POINT AREA
ANYTIME ENGINE IS RUNNING.
BEING IN PINCH POINT AREA COULD CAUSE SERIOUS INJURY OR DEATH.
9114-3282
14
FULL
ADD
HYDRAULIC OIL LEVEL
CHECK OIL
LEVEL
WITH
HANDLER LEVEL
AND
ALL
CYLINDERS RETRACTED.
2.5 GALLON BETWEEN ADD AND FULL
MARKS
9140-3569
** unknown ** ** unknown ** 2 NO
13
STAY CLEAR OF PINCH POINT AREA ANYTIME ENGINE IS RUNNING. BEING IN PINCH POINT AREA COULD CAUSE SERIOUS INJURY OR DEATH.
9114-3282
13
A
R
** unknown ** ** unknown ** 2 NO
1
7733-3027
NO RIDERS PERMITTED ON HANDLER. OPERATOR ONLY IN MACHINE
RIDERS COULD F
ALL OFF MACHINE
CAUSING SERIOUS INJUR
Y OR DEATH.
STAY CLEAR OF PINCH POINT AREA ANYTIME ENGINE IS RUNNING. BEING IN PINCH POINT AREA COULD CAUSE SERIOUS INJURY OR DEATH.
9114-3282
9114-3283
13
STAY CLEAR OF PINCH POINT AREA ANYTIME ENGINE IS RUNNING. BEING IN PINCH POINT AREA COULD CAUSE SERIOUS INJURY OR DEATH.
9114-3282
A
16
1 9150-3097 Warning Decal, moving parts 2 9150-3099 Warning Decal, battery 3 9151-3207 Load Chart Cover 4 9150-3083 Carriage Chart - TF6-42 5 9150-3084 Swing Carriage - TF6-42
9150-3085 Swing Mast - TF6-42 9150-3086 Truss Boom - TF6-42
9150-3087 Platform Chart - TF6-42 6 9150-3096 Warning Decal, lifting personnel 7 9150-3110 Danger Decal, high voltage 8 9150-3098 Warning Decal, operation
2.0
9 9150-3088 Serial No. & Attaching Plate 10 9150-3112 Aux. Hyd. De-Press Decal 11 9150-3102 Boom Operation Decal 12 9150-3101 Inspection Decal 13 9150-3108 Warning Decal, pinch point 14 9150-3107 Oil Level Decal 15 7733-3027 Made in USA Decal 16 9150-3109 Warning Decal, no riders 17 9150-3113 Service Instruction Plate 18 1701529 Decal 19 7702-3008 Fuel Decal
DECAL LOCATIONS
24
22
A
A
A-A
25
23
26
27
24
28
29
30
21
31
20
B
B
24
B-B
22
20 9150-3128 TF6-42 Decal 21 9147-3132 Gradall Decal 22 9114-3282 Warning Decal, pinch point 23 9100-3031 Boom Angle Decal 24 9151-3210 Warning Decal, moving parts 25 9150-3096 Warning Decal, lifting personnel
26 9100-3016 “1” Decal 27 9100-3018 “2” Decal 28 9112-3042 “3” Decal 29 9100-3020 “4” Decal 30 9112-3044 “5” Decal 31 9116-3077 “6” Decal
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
2.1
DECALS
R
Instructions
TWO METHODS OF USING THE CAPACITY CHART.
SAMPLE ONLY - USE CHART IN CAB
Method 1
1. The operator must determine:
BOOM EXTENSION NUMBER where the load is to be placed.
BOOM ANGLE where the load is to be placed.
2. On the capacity chart, find the arc for the boom extension number, and follow it down to the boom angle.
3. The number in the load zone where these two cross is the maximum capacity for this lift. If the two cross at a division between zones, the smaller number must be used.
Method 2
1. The operator must determine:
HEIGHT where the load is to be placed.
DISTANCE from the front of the machine where the load is to be placed.
2. On the capacity chart, find the line for the height and follow it over to the distance.
3. The number in the load zone where the two cross is the maximum capacity for this lift. If the two cross at a division between zones, the smaller number must be used.
For each method, the number in the load zone must be equal to or greater than the weight of the load to be lifted. Determine the limits of the load zone on the capacity chart by boom angle AND boom extension number. Keep the load within theses limits.
9151-3207 REV.-
TIPOVER HAZARD. Failure to comply with instructions could result in death or serious injury.
The operator MUST:
1. Make sure the handler is on a firm, level surface before lifting or placing a load.
2. Make sure that the capacity charts are for the appropriate Gradall model.
3. Make sure that the Part Numver shown on the attachment's Serial Number Plate matches the Part Number shown on the capacity chart.
4. Be sure of the WEIGHT of the load to be lifted.
BACK
Located on dashboard
P/N 9151-3207
MODEL TF6-42
48'
RATED CAPACITY @ 2 FT LOAD CENTER
44'
40'
36'
32'
48" & 72"
SLOPE PILER
28'
24'
20'
16'
12'
10°
8'
4'
0'
-9°
-4'
-8'
USE WITH: 9140-5101 48" SLOPE PILER CARRIAGE 9140-5079 72" SLOPE PILER CARRIAGE
50°
40°
30°
20°
800 LBS
70°
60°
6
SAMPLE ONLY - USE CHART IN CAB
5
4
3
2
1
5000 LBS
6600 LBS
4000 LBS
3000 LBS
2000 LBS
12'16'20'24'28'32'
0'4'8'
9150-3083 (-)
USE WITH: 9140-5073 48" CARRIAGE 9140-5074 72" CARRIAGE 9140-5077 72" DRYWALL CARR. (4,000 LB MAX. CAPACITY) 9140-5054 60" 3/4 YD. BUCKET (4,500 LB MAX. CAPACITY) 9140-5055 74" 1 1/4 YD. BUCKET (4,500 LB MAX. CAPACITY) 9140-5071 102" 1 1/4 YD. BUCKET (4,500 LB MAX. CAPACITY)
BACK
2
1
6
5
4
3
0' 4' 8'
RATED CAPACITY @ 2 FT LOAD CENTER
70°
60°
6000 LBS
5000 LBS
4000 LBS
6600 LBS
12' 16' 20' 24' 28' 32'
Located on dashboard
P/N 9150-3083
FRONT
MODEL
TF6-42
50°
40°
3000 LBS
2000 LBS
FRONT
9151-3207 REV.-
30°
1200 LBS
20°
10°
-9°
9150-3083 (-)
48'
44'
40'
36'
32'
28'
24'
20'
16'
12'
8'
4'
0'
-4'
-8'
Instructions
48" & 72"
CARRIAGES
2.2
For safe operation of machine, and to minimize risk of
serious injury, READ AND OBSERVE the following:
1. Only trained and authorized personnel may operate this machine.
2. Before operating, read and understand all capacity charts, operator manual and safety manuals.
3. Operator must be seated with seat belt fastened. Assure all controls are in neutral before ignition switch is turned on.
4. Do not travel with boom raised. When traveling, fully retract boom and place forks in carry position, which is approximately 4 feet (1.2 m) above ground. Tilt carriage back slightly to cradle load. Use extreme caution when turning.
5. On inclines, travel with load up-grade.
Located on right cab wall
6. Keep others away from machine when operating. Do not allow others to stand under boom or load. Always look in direction of travel.
7. Use extreme care when handling long, high or wide loads. Do not handle unstable or loosely stacked loads.
8. Forks must be centered under load, and spaced apart as far as possible.
9. Level machine before lifting any load above 4 feet (1.2m).
10. Improper use of machine could result in machine tipping over. If machine starts to tip over, do not leave operator's seat. Lean away from tip, and brace yourself.
11. Keep mirror(s) clean and properly adjusted. Objects in mirror(s) are closer than they appear.
P/N 9150-3098
9150-3098 REV. A
000850
THE PROTECTION OFFERED BY THIS ROPS WILL BE IMPAIRED IF IT HAS BEEN SUBJECTED TO ANY MODIFICATION, STRUCTURAL DAMAGE, OR HAS BEEN INVOLVED IN AN OVERTURN INCIDENT. THIS ROPS MUST BE REPLACED AFTER A ROLL-OVER. SEAT BELTS MUST BE WORN WHILE OPERATING VEHICLE.
R
GRADALL IS A REGISTERED TRADEMARK
FOR HYDRAULIC EQUIPMENT BUILT BY THE JLG COMPANY
1 JLG DRIVE, McCONNELLSBURG, PA.
U.S.A.
TF6-42
(WITHOUT ATTACHMENTS)
AS RELEASED FROM FACTORY THIS TRUCK MEETS THE DESIGN SPECIFICATIONS ESTABLISHED IN AMERICAN NATIONAL STANDARDS FOR POWERED INDUSTRIAL TRUCKS PART III ASME B56.6b-1998.
CAPACITY WITH STANDARD 48" & 72" CARRIAGE.
CAP#
6.6
42'
A
24"
B
24"
C
2.0'
D
ATTACHMENT
48" CARRIAGE P/N 9140-5073 *
72" CARRIAGE P/N 9140-5074 *
48" SLOPE PILER P/N 9140-5101 *
72" SLOPE PILER P/N 9140-5079 *
60" 3/4 YD BUCKET P/N 9140-5054 **
74" 1 1/4 YD BUCKET P/N 9140-5055 **
102" 1 1/4 YD BUCKET P/N 9140-5071 **
10FT TRUSS BOOM P/N 9140-5083 ***
10FT TRUSS BOOM W/WINCH P/N 9140-5081 ***
15FT TRUSS BOOM P/N 9140-5082 ***
15FT TRUSS BOOM W/WINCH P/N 9140-5080 ***
6FT MAST W/48" CARR. P/N 9140-5060 *
6FT MAST W/72" CARR. P/N 9140-5061 *
6FT SWING MAST P/N 9140-5070 ****
72" 100° SWING CARR. P/N 9140-5075 *
WORK PLATFORM P/N 9141-5025 *****
4.6'
26.9'
1.2
24"
24"
CAP# 1000
6.6
6.6
6.6
6.6
4.5
4.5
4.5
2.0
2.0
2.0
2.0
6.0
6.0
4.0
6.0
1.8
X1000
SAMPLE ONLY - USE CHART IN CAB
SHIPPED WITH
*WEIGHTS ARE BASED ON USING 2 X 4 X 48" FORKS (APPROX. 268# PER PAIR) **BUCKET DIMENSIONS (A & D) REFER TO BUCKET LIP HEIGHT. ***TRUSS BOOM DIMENSIONS (A & D) REFER TO HOOK CENTER. ****WEIGHT IS BASED ON SP'L SWING MAST FORKS (APPROX. 230# PER PAIR) *****PLATFORM DIMENSIONS (A & D) REFER TO CENTER OF FLOOR.
FORKS RATED LESS THAN THE ATTACHMENT CAPACITY SHOWN ABOVE DECREASE CAPACITY OF ATTACHMENT TO THAT OF FORKS. FORKS RATED MORE THAN ATTACHMENT CAPACITY DO NOT INCREASE ATTACHMENT CAPACITY.
B
A
TRUCK & ATTACHMENT WEIGHT
21,030
21,140
21,310
21,500
20,780
20,960
21,000
20,830
21,010
20,950
21,140
22,000
22,100
22,880
21,800
21,040
20280 LBS
C
D
42' 24" 24"
42' 24"
42' 24" 24"
42' --- ---
42' --- ---
42' --- ---
52' --- ---
52' --- ---
57' --- ---
57' --- ---
39' 24" 24"
39' 24" 24"
48' 24" 24"
31' 24" 24"
42' --- ---
DCBA
2.0'
24"
2.0'
2.7'
24"24"42'
2.7'
4.3'
4.9'
4.3'
3.8'
3.8'
4.3'
4.3'
1.9'
1.9'
4.2'
4.4'
4.7'
9150-3088 (A)
DECALS
SAMPLE ONLY
Box 61 SD 57201
GRADALL MATER 06 / 9 / 10 MAX WEIGHT : 2150 MEETS SAE : J1040 MA MEETS ISO : 3471 (94) / 3 MEETS ANSI : B56.6 - 8.16 / P GRADALL : 9114-3261 SERIAL : 8
Located on back wall, behind
operator’s seat
P/N N/A (enclosed cab)
P/N N/A (open cab)
Located on right cab wall
P/N 9150-3088
LUBRICATION AND MAINTENANCE
SERVICE INTERVALS
DAILY
EVERY 5
WEEKLY
WKS OR
MATERIAL HANDLER
Diesel Engine
Air Cleaner Element
Fuel Filter
Engine Oil Filter
Engine Oil
Coolant
Diesel Fuel
Transmission
Lubricant
Filter
Transfer Case
SAMPLE ONLY - USE CHART IN CAB
Lubricant
Axle Lubricant
Center Section
Planetary Hubs
Hydraulic System
Lubricant
Filter
Breather/Filter
Grease Fittings
Axles (6 Pts. Ea.)
Boom Head Pivot (2 Pts.)
Boom Pivot (2 Pts.)
Cylinder Pins(13 Pts.)
Drive Shafts (1 Pt. Ea.)
Extend Chain Sheave (1 Pt.)
Quick Switch Pin (1 Pt.)
Retract Chain Sheave (1 Pt.)
Stabilizer Cylinder (3 Pts.)
Boom
Front Bottom Bearing Pads
All Other Bearing Pads
Extend/Retract Chains
Options And Attachments
Work Platform Pins Attachment Pivots And Pins
Tires
13.00-33.5 12 PLY LSW G-2
Lug Nut Torque
Use this chart in conjunction with the "Lubrication & Maintenance" and "Recommended Lubricants & Capacities" sections of the Owner/Operator Manual.
Service intervals may need to be more frequent than those shown depending upon application severity. Consult your Gradall dealer for recommendations.
It is recommended that engine oil and filter, transmission lubricant and filter, transfer case lubricant and axle lubricant be changed after first 100 hours on new, or rebuilt units.
OR
10 HRS
Check
Check
Fill
Check
Check
Check
OR
50 HRS
Check
Grease
Grease
Grease
Grease
Grease
Grease
Grease
Grease
Grease Grease
Check
250 HRS
Change
Change
Check
Check
Check
Grease
Grease
Grease
Check
Check
3 MO.
OR
500 HRS
Change
Torque
6 MO.
OR
1000 HRS
Change Change
Change
Change
Change
YEARLY
OR
1500 HRS
Change
Change
Change
Change
LUBRICANT TYPE
OR
SPECIFICATION
SAE 15W-40 CE Oil
Etheylene Glycol
No. 2 Diesel Fuel
Mobil 424
Mobil 424
Mobil 424
Mobil 424
Mobil 424
Mystik Tetrimoly
Mystik Tetrimoly
Mystik Tetrimoly
Mystik Tetrimoly
Mystik Tetrimoly
Mystik Tetrimoly
Mystik Tetrimoly
Mystik Tetrimoly
Mystik Tetrimoly
Mystik Tetrimoly
Mystik Tetrimoly
See Manual
Mystik Tetrimoly Mystik Tetrimoly
65 PSI (448 kPa)
350-400 Lb-Ft (39-45 Nm)
9150-3113 REV -
9150-3102 REV. -
Located on right cab wall
P/N 9150-3102
Located inside engine cover
P/N 9150-3113
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
Located on left side, front cab plate
P/N 9116-4094
2.3
DECALS
Batteries produce EXPLOSIVE GASES. EXPLOSION could result in serious injury.
Keep sparks, flames and lighted materials away from batteries.
Located in engine compartment
P/N 9150-3099
CONTACTING ELECTRIC POWER LINES will result in death or serious injury.
Do not place machine or load within 10 feet (3m) of electric
power lines.
Located on right cab wall
P/N 9150-3110
9150-3099 REV -
10 FT.
(3 M)
9150-3110 REV - A
MOVING PARTS can cut or entangle. Keep clear while engine is running.
9150-3097 REV. -
Located in engine compartment
P/N 9150-3097
2.4
MOVING PARTS COULD CRUSH,
CAUSING DEATH OR SERIOUS INJURY.
KEEP CLEAR OF WHEELS AND MOVING PARTS
WHILE ENGINE IS RUNNING.
Located on right and left frame,
front & rear
P/N 9150-3108
9150-3108 REV -
9150-3107
Located on hydraulic reservoir
P/N 9150-3107
NO RIDERS. Riders could FALL OFF
machine causing death or serious injury.
9150-3109 REV -
Located on left cab outside wall
P/N 9150-3109
DECALS
R
7733-3027
Located on left outside cab wall
P/N 7733-3027
Located on left side of boom
P/N 9100-3031
When lifting personnel, USE ONLY a Gradall manufactured personnel work platform.
READ AND UNDERSTAND personnel work platform Owner/Operator manual before lifting personnel.
DO NOT DRIVE machine from cab when personnel are on platform.
All personnel on platform must WEAR A FULL BODY HARNESS, with lanyard attached to a designated anchorage point.
OPERATE CONTROLS CAUTIOUSLY and lightly when lifting or positioning personnel.
IN ADDITION, when using a personnel work platform WITHOUT CONTROLS:
Do not use personnel work platform without proper CAPACITY CHART DISPLAYED in cab.
When personnel are on platform, the OPERATOR MUST REMAIN SEATED in cab with personnel in direct line of sight.
Failure to comply could result in death or serious injury.
Located on boom head,
and inside right cab wall
P/N 9150-3096
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
9150-3096 REV A
MOVING PARTS could cut or crush causing death or serious injury. Keep clear of moving parts while engine is running.
Located on boom
406 MILL AVE. S.W. NEW PHILADELPHIA, OHIO MADE IN U. S. A.
ATTACHMENT
SERIAL NUMBER
WEIGHT
CAPACITY
HYD. PRESSURE
THE CAPACITY OF FORKLIFT, ATTACHMENT AND FORK
COMBINATION MAY BE LESS THAN THE CAPACITY SHOWN
ON ATTACHMENT - CONSULT FORKLIFT NAMEPLATE
AND ALSO INSURE FORKS ARE OF PROPER SIZE.
9015-3001
Located on attachment
P/N 9015-3001
9151-3210 REV -
P/N 9151-3210
2.5
DECALS
Located on Frame
P/N 1701529
DIESEL FUEL
FIRST DELIVERY
1 YEAR
2 YEARS
3 YEARS
4 YEARS
ANSI REQUIRES AN ANNUAL INSPECTION BE PERFORMED BY QUALIFIED PERSONNEL IN ACCORDANCE WITH MANUFACTURER'S SPECIFICATIONS.
USE GRADALL APPROVED MANUALS, PARTS AND PROCEDURES. CONTACT GRADALL REGARDING STRUCTURAL REPAIRS.
STAMP FRAME WITH MONTH/DAY/YEAR NEXT TO ARROW AFTER EACH INSPECTION RETAIN RECORDS IN ACCORDANCE WITH ANSI.
NOTIFY GRADALL IMMEDIATELY OF ANY CHANGES OF OWNERSHIP.
REPLACE IF DEFACED
9150-3101 REV -
Located on Boom Pivot Frame
P/N 9150-3101
5 YEARS
6 YEARS
7 YEARS
8 YEARS
9 YEARS
10 YEARS
Located on outside of Cab
P/N 7702-3008
2.6
OPERATOR’S CAB
The cab permits vision from all sides and includes an overhead guard to provide protection from falling objects.
A fully-enclosed cab with windows and a lockable door is available as an option. The top half of the cab door must be secured in either the fully-opened or closed position. The bottom half of the cab door must be secured in the closed position only. Be sure the door is fully secured when operating the handler.
The operator’s seat is equipped with a seat belt and includes fore and aft adjustment to compensate for variations in operator size. The adjustment release/lock is located on the side
machine.
An optional windshield wiper/washer is available for use with enclosed cabs. A control switch is located on the instrument panel.
of seat. Wear seat belt when operating
OPERATOR’S CAB
WARNING
!
Never operate the handler unless the overhead guard is in good condition.
A variable-speed defroster fan is available for use with enclosed cabs. An “On/ Off” control switch and speed control are located on the base of the fan.
The heater fan speed is controlled by a knob on the panel to the right of the operator’s seat. Hot water to the heater can be controlled by a knob on the same panel or a valve in the engine compartment.
The operator’s cab is an S.A.E. “FOPS/ROPS” structure. Do not make any modification to this structure. If damaged, the cab cannot be repaired. It must be replaced.
CONTROL AND INSTRUMENT IDENTIFICATION
Figure 3-1
LEVEL
INDICATOR
HOURMETER
STEERING
EMERGENCY STOP SWITCH
TRANSMISSION CONTROL LEVER
(FORWARD/REVERSE/GEAR
CHANGE LEVER)
AUX CONTROL LEVER
(OPTIONAL)
CONTROL STATION
TRANS TEMP WARNING LIGHT
SELECTOR SWITCH
QUARTZ
000000
WHEEL
PARK BRAKE
SWITCH
R
F
80
FUEL
OIL
E
0
240
16
TEMP
VOLTS
-+
10
100
START
IGNITION
MACHINE MUST BE IN NEUTRAL AND PARK BRAKE ON TO START
48" & 72"
CARRAIGE
48" & 72"
CARRAIGE
48" & 72"
CARRAIGE
OIL PRESSURE/
COOLANT TEMP/
VOLTMETER/
FUEL GAUGE
BOOM CONTROL
JOYSTICK
HORN BUTTON
CAPACITY CHARTS
START/AUX. POWER
SWITCH
STEER SELECT SWITCH
WARNING
!
Any modification to this machine must be approved by JLG/GRADALL to assure compliance with FOPS/ ROPS certification for this cab/ machine configuration.
NOTE!
Relevant S.A.E. Recommended Practices: S.A.E. J1040 for ROPS S.A.E. J231 for FOPS
BRAKE PEDAL
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
MICROPROCESSOR
CONTROLLER
ACCELERATOR PEDAL
3.0
WARNING
!
OPERATOR’S CAB
Accelerator Pedal: Depress pedal to increase speed and release pedal to
decrease speed.
Attachment Tilt Lever: This lever controls tilt of the fork carriage. Speed is proportional to lever actuation and engine RPM. Push lever forward to tilt down; pull lever back to tilt up.
Attachment Tilt Switch (optional): Depress left side of switch to tilt down; depress right side of switch to tilt up.
Auxiliary Control Lever (optional): This lever is used to control optional hydraulic attachments. Follow decal instructions for lever/handler movements.
Auxiliary Light Switch (optional): This switch turns auxiliary lights on and off.
Boom Control Joystick: This joystick controls boom elevation and extension. Pull joystick back to raise boom; push joystick forward to lower boom. Move joystick to right to extend boom; move to left to retract boom. Speed of boom movement is proportional to joystick actuation and engine RPM.
Control Station Selector Switch: Rotate key activated switch to “Platform” to transfer power to platform controls. Rotate key activated switch to “Cab” to transfer power to cab controls. When not in use, turn the selector switch to “Off”. If the switch is not positioned in the “Off” position during shutdown and emergency stop button is in run mode, the battery will drain.
Decompression Valve: Used only for connecting/disconnecting Auxiliary Hydraulics. Located in cab, left side of seat pedestal.
A brief description of controls and instruments is provided here as a convenience for the operator. These descriptions DO NOT provide complete operation instructions. Read & understand this Manual, the Transformer Series Work Platform Manual, the ANSI A92.5 Responsibilities Manual, the EMI Aerial Work Platform Safety Manual, and the GRADALL Material Handler Safety Manual.
Emergency Stop Button: Pushing the button stops engine operation.
Engine Coolant Temperature Gauge: This gauge displays engine coolant
temperature.
Engine Oil Pressure Gauge: This gauge displays engine oil pressure.
Fuel Gauge: This gauge displays level of fuel in fuel tank.
Heater Fan Switch (optional): This switch turns heater fan on and off.
DEFROSTER FAN
AIR VENT
ACCESS COVER/
HEATER VENT
AIR VENT
TEMPERATURE CONTROL
HEATER FAN SWITCH
3.1
HEATER
Horn Button: Depress button to sound horn.
OPERATOR’S CAB
Hourmeter: This meter indicates total time of engine operation in hours
and tenths of hours.
Start/Aux. Switch: The control selector switch must be in cab position for start/ aux. switch to be operational. Momentarily push switch up to start engine. With engine off, simultaneously push switch down and activate controls to activate auxiliary power.
Level Indicator: This bubble level indicator enables the operator to determine the left to right level condition of the handler.
Lights Switch (optional): This switch controls optional lighting which may be provided with the handler.
Machine Level Lever: This lever controls the relationship of the handler frame to the front axle. Move the lever left to tilt frame to left, move the lever right to tilt frame to right.
Microprocessor Controller: This unit processes information for the transmission.
Neutral Lock Lever: The transmission control lever is equipped with a switch that locks the transmission control lever in neutral when activated.
4-Wheel Circle Steer
Parking Brake Switch: This switch controls the application and release of
the parking brake. Indicator light on switch glows (red) to indicate brake is applied.
Seat lock Release Lever: This lever unlocks and locks seat position adjustment.
Service Brake: This pedal operates the service brakes. The further the pedal is depressed, the slower the travel speed. Full depression of pedal causes full service brake application.
Steer Select Switch: This switch has three positions to allow selection of 4-wheel circle steer, 4-wheel crab steer and 2-wheel steer. 4-wheel circle steer allows the front and rear wheels to steer in opposite directions for tight turns. 4-wheel crab steering turns the front and rear tires in the same direction for moving the machine to the side. 2-wheel steer allows only the front wheels to steer.
Steering Wheel: The steering wheel controls the angle of wheels. Turning the steering wheel to the right causes a right turn. Turning the steering wheel to the left causes a left turn.
Transmission Control: This lever engages forward or reverse travel. Push lever fully forward for forward travel; pull lever fully backward for reverse travel. Move lever to centered position for “Neutral.” Twist hand grip to select gear.
Transmission Temperature Light:
procedure for a bulb check. If transmission temperature exceeds 250° light will glow indicating the need for service.
This light will illuminate during starting
4-Wheel Crab Steer
2-Wheel Front Steer
CAUTION
!
If transmission temperature light glows, move material handler to a safe location and shut down.
CAUTION
!
When traveling at higher speeds use 2-wheel front steering.
Voltmeter: This gauge indicates alternator output and battery condition.
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
3.2

CHECKS & SERVICES BEFORE STARTING ENGINE

WARNING
!
WARNING
!
WARNING
!
To be performed at the beginning of each work shift.
PERFORM “WALK-AROUND INSPECTION” AS DESCRIBED ON PAGES P6.2 & P6.3 IN THE TRANSFORMER SERIES WORK PLATFORM MANUAL LOCATED IN THE BACK OF THIS MANUAL. THIS INSPECTION IS A DAILY REQUIREMENT BEFORE OPERATING THIS MACHINE.
• Check to be sure the material handler is equipped with the proper load/ capacity chart and that it is legible before operating.
• If spark arrestors are required, be sure they are in place and in good working order.
• Check to be certain that windows and mirror(s) are clean and undamaged. Also make certain that mirror(s) are properly adjusted for operator’s view.
• Before removing filler caps or fill plugs, wipe all dirt and grease away from the ports. If dirt enters these ports, it can severely reduce component life.
Use extreme caution when checking items beyond your normal reach. Use an approved safety ladder.
• When adding fluids, refer to lubrication section of Manual to determine proper type.
Complete all required maintenance before operating unit.
Service the unit in accordance with the “Lubrication and Routine
Maintenance” schedule, pages
19.2 and 19.3.
Inspect all structural members, including attachment, for signs of damage.
Before operating handler, com­plete all required maintenance. Replace or repair all damaged, worn or missing components be­fore starting or operating. Failure to properly maintain handler could cause serious injury or death.
4.0
(Optional Turbo Charged Engine Shown)
Inspect unit for obvious damage, vandalism and necessary maintenance. Check for signs of fuel, lubricant, coolant and hydraulic leaks. Open all access doors and look for loose fittings, clamps, components and attaching hardware. Replace hydraulic lines that are cracked, brittle, cut or which show signs of leakage or abrasion.
Use a piece of cardboard or paper to search for leaks. DO NOT use bare hands. If anyone is injured by hydraulic fluid, including penetration of the skin, obtain medical help immediately!
PRE-START & FUNCTION CHECKS
To be performed at beginning of each work shift. PERFORM “WALK-AROUND INSPECTION” AS DESCRIBED ON PAGES P6.2 & P6.3 IN THE TRANSFORMER SERIES WORK PLATFORM MANUAL LOCATED IN THE BACK OF THIS MANUAL. THIS INSPECTION IS A DAILY REQUIREMENT BEFORE OPERATING THIS MACHINE.
The safety, efficiency and service life of your handler will be increased by performing the operational checks listed below. Items preceded by an asterisk (*) are optional and may not be furnished on your machine.
Before entering the operator’s cab, check:
1. Engine oil level.
2. Hydraulic oil level.
3. Air Filter Restriction Indicator. If needle is in red area, filter is clogged and element must be cleaned or changed.
During warm-up period, check:
* 4. Heater, defroster and windshield wiper.
WARNING
!
Check all tires and rims periodically for damage due to impact. Replace before use if damage is detected.
* 5. Operating lights and rotating beacon.
6. Voltmeter-should show 13.5 to 14 volts.
When engine warms to operating range, check:
7. Transmission fluid level.
8. Service brake and parking brake.
9. Forward and reverse travel.
10. Each of the gear ranges.
11. Steering (in both directions) with engine at low idle. Check in each steering mode.
12. Horn and back-up alarm. Must be audible from inside operators cab with engine running.
13. All boom and attachment functions - operate smoothly and correctly.
14. Hydraulic Filter Condition Indicator - observe engine coolant temperature gauge after starting normal operation. When needle has been in operating range for an hour or so, stop handler in a safe area, apply parking brake, lower forks fully, shift forward/reverse lever to “Neutral” position and chock wheels. With engine running at full throttle, have an assistant check the Hydraulic Filter Condition Indicator. When bar gauge is in red area, filter is clogged and hydraulic oil is bypassing filter. Filter element must be changed before reaching bypass condition (change before needle reaches red area).
CAUTION
!
Keep engine cover closed while engine is running except when checking Transmission Oil Level and hydraulic filter condition indicator.
CAUTION
!
Continued operation with hydraulic fluid bypassing the filter may cause severe damage to hydraulic system components.
Complete all required maintenance before operating unit.
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
5.0

ENGINE OPERATION

WARNING
!
CAUTION
!
Starting the Engine
1. Make sure all controls are in “Neutral” and all electrical heater, defroster, etc.) are turned off. Set
2. Depress accelerator pedal approximately 1/4 to 1/3 of travel from top.
3. Turn control station selector switch to cab, pull up emergency stop, and push up on start/aux. switch to engage starting motor. If engine fails to start within 20 seconds, release start/aux. switch and allow starting motor to cool for a few minutes before trying again.
4. After engine starts, observe oil pressure gauge. If gauge remains on zero for more than ten seconds, stop engine and determine cause. Correct malfunction before restarting engine. Minimum pressure at operating temperature:
Low idle: 10 PSI (69kPa)
5. Warm up engine at approximately 1/2 throttle until engine coolant temperature reaches operating range.
parking brake.
components (lights,
Cold-Weather Starting Aids
In cold approved starting aids employ ether. If your handler is equipped with an ether starting aid, the following applies:
• All employed ether is triggered by temperature gauge located on engine.
• At start-up, temperature gauge on engine will detect if ether is needed. Follow
• Ether is employed and additional will be released if needed, to keep engine
• A second battery is added for additional cold-cranking capacity.
weather situations, a supplemental starting aid may be required.
normal start-up procedure, shown above.
running.
Gradall-
Operator must be seated with seat belt fastened, transmission control lever in “Neutral” position, parking brake applied and all hydraulic controls in “Neutral” before starting engine.
NOTE!
Engine will not start unless transmission control lever is in “Neutral” and parking brake switch is applied.
If your machine is equipped with a cold start aid, do not spray additional ether into air cleaner.
If machine is not equipped with cold start aid, follow instructions listed in the engine manual supplied with machine.
6.0
Battery-Boosted Starting
If you ever have to battery-boost start (jump-start) your handler, proceed as follows:
• Never allow vehicles to touch
• Connect the positive (+) jumper cable to positive (+) post of discharged battery
• Connect opposite end of positive (+) jumper cable to positive (+) post of booster battery
• Connect the negative (-) jumper cable to negative (-) post on booster battery
• Connect opposite end of negative (-) jumper cable to ground point on machine away from discharged battery
• Follow standard starting procedures
• Remove cables in reverse order after machine has started
ENGINE OPERATION
Normal Engine Operation
Observe gauges frequently to be sure all engine systems are functioning properly.
The voltmeter shows the “charge/discharge” state of the battery charging system. With the engine running, meter should indicate 13.5 to 14 volts. With engine stopped, meter indicates battery charge (12 volts).
Be alert for unusual noises or vibration. When an unusual condition is noticed, park machine in safe position and perform standard shut-down procedure. (See
Page 1.1) Report condition to your supervisor or maintenance personnel.
Avoid prolonged idling. Idling causes engine temperature to drop and this
permits formation of heavy carbon deposits and dilution of lubricating oil by incompletely-burned fuel. If the engine is not being used, turn it off.
Stopping the Engine
To stop engine, perform standard shut-down procedure shown on page 1.1.
• Operate engine at low idle for 3 to 5 minutes before turning it off. This allows engine coolant and lubricating oil to carry excessive heat away from critical engine areas, including turbocharger.
Do not “gun” engine before shut down: This practice causes incompletely­burned fuel to remove oil film from cylinder walls and dilute lubricant in crankcase.
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
6.1

BRAKE SYSTEM

WARNING
!
WARNING
!
WARNING
!
General
The brake system includes a service brake and a parking brake. Service and parking brakes are applied through wet disc brake packs located within axle housing.
Service Brakes
D
epressing the service brake pedal applied to service brakes. The greater the pedal travel, the greater the braking force.
If power-assist fails, it will require much greater force on pedal to apply brake and stopping distance will be greater.
Parking Brakes
The parking brakes are spring-applied and hydraulically-released.
Pressure to release parking brakes is provided by the hydraulic system and is controlled by the parking brake switch located on the dashboard.
causes controlled hydraulic pressure to be
If power-assist feature should fail for any reason, it would require greater effort to apply service brake. If power assist fails, stop as soon as possible. Do not drive the handler until problem has been corrected.
Always move parking brake switch to “On” position before leaving cab. Never stop engine while traveling. Parking brake will be fully-applied and unit could stop abruptly. A sudden stop could cause load loss.
With the engine running and the parking brake switch “Off”, parking brakes are disengaged. Moving the switch to “On” releases hydraulic pressure to apply the parking brakes. With switch in “On” position, the transmission will not engage forward or reverse.
Always ensure that transmission control lever is in neutral before releasing park brake. Releasing park brake in either forward or reverse could cause the machine to move abruptly.
7.0

PARKING THE HANDLER

Precautions
• Avoid parking on slopes or near an excavation.
• Park on level ground and chock wheels.
• Avoid parking on roads or highways. If it cannot be avoided, be sure to display warning flags during day and flares or flashing lights at night.
• Position boom-head or attachment on ground; never leave machine with boom in air.
• If parking on a slope cannot be avoided, position the handler at a right angle across the slope, straighten and chock all wheels.
Parking procedure
1. Using service brake, stop the handler in an appropriate parking area.
2. Move parking brake switch to “On”.
3. Shift transmission control lever to “Neutral”.
4. Position attachment on ground.
5. Allow engine to cool at idle speed for 3 to 5 minutes, stop engine. Rotate control station selector switch to “off”, remove key and place emergency stop button in run mode.
6. Chock wheels as an extra precaution against rolling.
7. Fill fuel tank to minimize condensation.
8. Lock cab and install protective covers, if so-equipped.
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
8.0
WARNING
!

STEERING SYSTEM

WARNING
!
• Three modes of steering are provided as standard equipment. A three position switch on the dashboard allows the operator to select the steering mode.
• 4-wheel circle steer allows for tight turns and better maneuverability in close quarters.
• 4-wheel crab steering allows the machine to move sideways at an angle.
• 2-wheel front steer is used for high speed travel.
• It is imperative that the operator practice maneuvering the handler in a safe, open area to become thoroughly familiar with steering response and clearance required for fork swing and load when turning.
Be alert for any increase in effort needed to steer. If any difference is noted, notify maintenance personnel immediately. If power assist feature should fail for any reason, IT WOULD BECOME VERY DIFFICULT TO STEER. For this reason it is extremely important that you NEVER TURN ENGINE OFF WHILE TRAVELING. In the event power steering fails, stop as soon as possible. Do not drive handler until problem has been corrected.
Use only 2-wheel steer when traveling at high speeds. Never use 4-wheel circle steer at high speeds, sharp turns could cause machine roll-over.
9.0
General
This model material handler is equipped with a powershift transmission. With this type of transmission, the operator simply selects a gear, selects the direction of travel, releases brakes and depresses the accelerator pedal to move the handler.
Operation
Gear Selection: Gear selection is accomplished by rotating the twist grip
handle on the transmission control lever. It is best to begin travel in a lower gear, however the machine will move away from rest in any gear. Upshifts are most smoothly accomplished by lifting off the throttle pedal when shifting. Caution should be taken of downshifting to ensure that the ground speed of the material handler has slowed sufficiently so as not to over-speed the engine.

DRIVE TRAIN

Select the appropriate gear for the task being performed. Use a lower gear when transporting a load. Use a higher gear only when traveling longer distances without a load. When traveling through deep mud, or up slopes, use a lower gear. Downshift a gear when traveling down a long hill. Use the service brakes, if necessary, to prevent over-speeding the engine.
Direction of Travel: Direction of travel is selected by moving the transmission control lever towards the front of the machine for forward travel, and towards the rear of the machine for reverse travel. Neutral is selected by moving the transmission control lever to the center position. If neutral is selected while the machine is moving, the machine will continue rolling in the direction of travel.
Always bring the machine to a complete stop before changing direction of travel. This will prevent damage to the transmission or torque converter.
Forward or reverse travel can be selected while in any gear.
WARNING
!
Bring handler to a complete stop before shifting transmission control lever. A sudden change in direction of travel could reduce stability and/or cause load to shift or fall.
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
10.0
WARNING
!

LEVELING THE HANDLER

WARNING
!
WARNING
!
“Leveling” means positioning the handler so that it is level from side to side (left to right). A level indicator is located in upper right corner of front window frame to permit operator to determine whether the handler frame is level.
There are four very important things to remember about handler leveling:
1. Never engage a load or lift a load more than 1.2m (four feet) above
ground unless handler is level.
2. A handler with the boom raised and/or an attachment installed is a partially-loaded handler.
3. Once the handler frame is level and the operator has raised a load more than 1.2m (four feet) above ground, it must not be moved from this position if such movement could change the level condition. Do not use sway to level handler with load more than 1.2m (four feet) above ground.
4. The combination of side tilt and load could cause the handler to tip over.
Level the handler:
The surface which will support the handler can be leveled. This method must be chosen if it will be necessary to move the handler from its position after the load has been raised over 1.2m (four feet) from ground AND such movement could change the level condition.
Raising the boom (loaded or unloaded) when handler is leaning to one side could cause machine to tip over with little or no warning and cause serious injury or death.
Remember: The supporting surface must be large enough, smooth enough and firm enough to keep the handler level when it is moved from its position.
The handler may be leveled by means of the frame-leveling system. This method may be chosen when it will not be necessary to move the handler from its position after the load has been raised above 1.2m (four feet) from ground - OR - when such movement will not change the level condition of the handler.
Always determine best position for handler to raise load from its present location and also to position load at its destination. THEN determine which method of leveling will be required at each location.
FINALLY, consider terrain between present location of load and its destination. Never attempt to transport a load across terrain which could cause handler to tip over.
Leveling Handler Frame:
The handler is designed to permit tilting main frame 10° to left or right to compensate for uneven ground conditions.
Leveling Procedure:
Position machine in best location to lift or place load, position forward/ reverse lever in neutral and apply parking brake. Observe level indicator to determine whether machine must be leveled and level machine with the machine level lever.
Always move boom to carry position (horizontal or below) before leveling frame. Attempting to level machine with boom raised could cause it to tip over.
If handler cannot be leveled using leveling system, do not attempt to raise or place load. Have surface leveled.
11.0

OPERATING PROCEDURE & TECHNIQUES

Hydraulic Controls
All boom and attachment movements are governed by hydraulic controls. Rapid, jerky operation of hydraulic controls will cause rapid, jerky movement of the load. Such movements can cause the load to shift or fall or may cause the machine to tip over.
Feathering
Feathering is a control operation technique used for smooth operation. To feather controls, move control lever very slowly until function begins to move, then gradually move lever further until function is moving at desired speed. Gradually move lever toward “Neutral” as load approaches destination. Continue to reduce load speed to bring load to a smooth stop. Feathering effect can be increased by reducing engine speed at beginning and near end of load movement.
Boom Control Joystick
The boom control joystick can be positioned to activate individual boom movements or combinations of boom movements as illustrated:
Figure 12-1
LOWER &
RETRACT
BOOM
RETRACT
BOOM
LOWER
BOOM LOWER &
EXTEND
BOOM
EXTEND
BOOM
FRONT OF
MACHINE
NOTE!
Much of the material in this section may be new to even the experienced operator.
WARNING
!
Do not permit lift cylinders to hit the end of their stroke. The jolt could topple loads, causing a hazard to personnel and equipment nearby.
RAISE &
RETRACT
BOOM
RAISE
BOOM
RAISE &
EXTEND
BOOM
With boom raised above horizontal, forks can be inserted under a load by moving boom control joystick forward and to the right until forks move forward horizontally.
With boom raised above horizontal, forks can be removed from a load by moving boom control joystick back and to the left until forks move rearward horizontally.
With boom lowered below horizontal, forks can be inserted under
a load by moving boom control joystick back and to the right until forks move forward horizontally.
With boom lowered below horizontal, forks can be removed from a load by moving boom control joystick forward and to the left until forks move rearward horizontally.
The closer the boom is to horizontal, the less boom raise/lower movement required for inserting and removing forks.
Carriage Tilt Controls
Figure 12-2
TILT FORKS DOWN
TILT FORKS DOWN
TILT
FORKS
UP
TILT
FORKS
UP
RIGHT HAND
(standard)
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
OPTIONAL
12.0
WARNING
!

UNDERSTANDING RATED CAPACITY CHARTS

Rated Capacity Chart
The rated capacity chart, located on dashboard, indicates maximum load capacities for handlers equipped with G attachment combinations. These capacities other attachment combinations except as stated on the capacity chart.
Figure 12-3
Instructions
TWO METHODS OF USING THE CAPACITY CHART.
SAMPLE ONLY - USE CHART IN CAB
Method 1
1. The operator must determine:
BOOM EXTENSION NUMBER where the load is to be placed.
BOOM ANGLE where the load is to be placed.
2. On the capacity chart, find the arc for the boom extension number, and follow it down to the boom angle.
3. The number in the load zone where these two cross is the maximum capacity for this lift. If the two cross at a division between zones, the smaller number must be used.
Method 2
1. The operator must determine:
HEIGHT where the load is to be placed.
DISTANCE from the front of the machine where the load is to be placed.
2. On the capacity chart, find the line for the height and follow it over to the distance.
3. The number in the load zone where the two cross is the maximum capacity for this lift. If the two cross at a division between zones, the smaller number must be used.
For each method, the number in the load zone must be equal to or greater than the weight of the load to be lifted. Determine the limits of the load zone on the capacity chart by boom angle AND boom extension number. Keep the load within theses limits.
BACK
9151-3207 REV.-
TIPOVER HAZARD. Failure to comply with instructions could result in death or serious injury.
The operator MUST:
1. Make sure the handler is on a firm, level surface before lifting or placing a load.
2. Make sure that the capacity charts are for the appropriate Gradall model.
3. Make sure that the Part Numver shown on the attachment's Serial Number Plate matches the Part Number shown on the capacity chart.
4. Be sure of the WEIGHT of the load to be lifted.
RADALL-furnished carriage/fork or other
apply to standard carriage/fork and
R
Instructions
MODEL
TF6-42
70°
60°
6
SAMPLE ONLY - USE CHART IN CAB
5
4
5000 LBS
6600 LBS
4000 LBS
3000 LBS
12'16'20'24'28'32'
0'4'8'
BACK
FRONT
9151-3207 REV.-
48'
RATED CAPACITY @ 2 FT LOAD CENTER
44'
40'
36'
32'
48" & 72"
SLOPE PILER
28'
24'
20'
16'
12'
8'
4'
0'
-4'
-8'
USE WITH: 9140-5101 48" SLOPE PILER CARRIAGE 9140-5079 72" SLOPE PILER CARRIAGE
50°
40°
30°
20°
800 LBS
10°
-9°
2000 LBS
NOTE!
See page 13-2 for instructions on how to read capacity charts.
All loads shown on rated capacity chart are based on machine being on firm, level ground; the forks being positioned evenly on carriage; the load being centered on forks; proper size tires being properly inflated; and the handler being in good operating condition.
RATED CAPACITY @ 2 FT LOAD CENTER
70°
60°
6
5
3
2
1
USE WITH: 9140-5073 48" CARRIAGE 9140-5074 72" CARRIAGE 9140-5077 72" DRYWALL CARR. (4,000 LB MAX. CAPACITY) 9140-5054 60" 3/4 YD. BUCKET (4,500 LB MAX. CAPACITY) 9140-5055 74" 1 1/4 YD. BUCKET (4,500 LB MAX. CAPACITY)
9150-3083 (-)
9140-5071 102" 1 1/4 YD. BUCKET (4,500 LB MAX. CAPACITY)
2
1
4
3
0' 4' 8'
6600 LBS
6000 LBS
5000 LBS
MODEL
TF6-42
50°
40°
4000 LBS
30°
3000 LBS
2000 LBS
1200 LBS
20°
12' 16' 20' 24' 28' 32'
FRONT
10°
-9°
9150-3083 (-)
48'
44'
40'
36'
32'
48" & 72"
CARRIAGES
28'
24'
20'
16'
12'
8'
4'
0'
-4'
-8'
Elevation
Numbers at left side of sample chart represent elevation to top of horizontal fork as measured from level ground (in feet). Elevation relates to dimension “A” shown on serial number plate inside operator’s cab.
Boom Extension
Numbers across bottom of sample chart and numbers parallel to boom represent boom reach as measured from front of front tires to extended position.
Number decals on boom relate directly to boom extension. The largest number which can be read from operator’s seat indicates total boom extension and must be matched with boom angle to determine load capacity.
Boom extension relates to dimension “D” shown on serial number plate.
Boom Angle
Numbers shown at ends of angled lines represent angle of boom to horizontal as measured from horizontal. Maximum angles are -9° below horizontal with boom fully lowered to 70° above horizontal with boom fully raised.
A boom angle indicator is located on left side of boom-section 1 to show boom angle. Be sure machine is level from front to rear or indicator will provide
incorrect reading.
13.0
UNDERSTANDING RATED CAPACITY CHARTS
Load Center
Loads shown on rated capacity chart are based on the load center being 610mm (two feet) above and 610mm (two feet) forward of surfaces of horizontal forks.
The load center of a load is the center of gravity of the load. For regularly­shaped loads of the same material, such as a pallet of blocks, the center of gravity can be located by measuring the load to find its center. For irregular loads, or loads of dissimilar materials, keep the heaviest part of the load as close to the heel of the forks as possible.
In all cases, the load center must be centered between the forks.
Load Limits
Some capacities shown on the rated capacity chart are based on machine stability
and some are based on hydraulic lift capacity.
Items needed to Use a Capacity Chart
There are five items you must know and/or have in order to properly use a Capacity Chart:
1. The weight of the load to be lifted
2. The angle of the boom
3. How much boom extension will be needed
4. The proper Capacity Chart
5. A Gradall-approved Attachment
Every Gradall attachment comes with its own Identification Plate. This Plate has the Attachment Serial Number, Part Number, Attachment Capacity and Attachment Weight stamped on it. Make sure that the Capacity Chart you are using matches the attachment exactly. This may be done by matching the attachment part number on the Capacity Chart to the part number stamped on the Identification Plate. The Machine Serial Number Plate is mounted inside the cab and lists all standard attachments that may be used with the machine by part number, at the time it was shipped from the factory. Be aware that a specific Capacity Chart must not only match the attachment, but also the machine model.
WARNING
!
Exceeding load limits can cause damage, or, in some cases, cause the machine to tip over.
NOTE!
Some attachments may not be approved for use with certain machine models.
The boom angle can be determined by looking at the angle indicator mounted on the side of the boom (see figure 12-5).
The boom extension can be determined by looking at the second boom section. As the second boom section slides out of the main boom, numbers are revealed starting with 1. Each number represents approximately 5’ of total boom extension (see figure 12-5). It is important to remember that these
numbers are designed to be read from the operator’s seat only!
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
13.1
** unknown ** ** unknown **
UNDERSTANDING RATED CAPACITY CHARTS
How to read a Capacity Chart
When reading the capacity chart you must check to be sure the correct model number is listed (see figure 12-6). The next thing to look for is that the part number of your attachment is listed under the “Use With” section. Identify and find the amount of boom extension required, along with the angle of the boom. Trace the boom extension arc down until it intersects with the appropriate boom angle. If the intersection of the boom extension arc and the boom angle line occur within a weight region, the value within that region is the maximum capacity for that particular lift. If the intersection occurs on a bold line separating capacity regions, the smaller of the two values must be used. The regions are clearly marked with heavier outlines as shown on page 12.4. If you do not have the correct capacity chart for your machine and/or attachment, contact your Distributor or Gradall to order one.
Example (this is for instructional purpose only - use capacity chart located in your cab):
A contractor has purchased a TF6-42 with the 48” Slope Piler Carriage Attachment (see figure 12-6). He knows his attachment may be used with this model since the attachment part number, 9140-5101, matches the attachment part number stamped on the machine Serial Number Plate. He also knows that the Capacity Chart is correct since it is clearly marked for use with a TF6-42 and that the attachment he is using is listed at the bottom by part number. He has determined the weight of the load to be lifted is 400 lbs. and that he needs to place the load at a boom extension of 6 at a boom angle of 20°. By tracing the boom extension arc down to where the 20° line intersects it, the contractor can see that the maximum weight he can lift is 800 lbs. In this case, he may lift the load.
Figure 12-5: Where to look on the machine
BOOM
EXTENSION
NUMBER
FORK WEIGHT
STAMP
ATTACHMENT
IDENTIFICATION PLATE
BOOM ANGLE
INDICATOR
STAY CLEAR OF PINCH POINT AREA ANYTIME ENGINE IS RUNNING. BEING IN PINCH POINT AREA COULD CAUSE SERIOUS INJURY OR DEATH.
9114-3282
MACHINE SERIAL
NUMBER PLATE
(RIGHT WALL)
R
DIESEL FUEL IS FLAMMABLE EXTINGUISH ALL OPEN FLAME AND SMOKING MATERIALS WHEN REFUELING INJURY OR DEATH COULD RESULT
FROM FIRE.
** unknown ** ** unknown ** 2 NO
9114-3286
1
7733-3027
NO RIDERS PERMITTED ON HANDLER. OPERATOR ONLY IN MACHINE
WHILE RUNNING.
RIDERS COULD FALL OFF MACHINE
CAUSING SERIOUS INJURY OR DEATH.
9114-3283
STAY CLEAR OF PINCH POINT AREA ANYTIME ENGINE IS RUNNING. BEING IN PINCH POINT AREA COULD CAUSE SERIOUS INJURY OR DEATH.
9114-3282
DO NOT GO NEAR LEAKS
* High pressure oil easily punctures skin causing serious injury, gangrene or death. * If injured, seek emergency medical help. Immediate surgery is required to remove oil. * Do not use finger or skin to check for leaks. * Lower load or relieve hydraulic pressure before loosening fittings.
C
10814B
13.2
UNDERSTANDING RATED CAPACITY CHARTS
Figure 12-6: Description of items on a Capacity Chart
48'
RATED CAPACITY @ 2 FT LOAD CENTER
44'
40'
36'
32'
28'
60°
50°
40°
70°
NOTE!
This is a sample Capacity Chart ONLY ! Do not use this chart, use the one located in your cab.
MODEL
TF6-42
6
5
4
3
2
This Capacity Chart
may be used with
this model ONLY
Boom Extension Numbers
Boom Angle
These numbers
should match
the Part No. stamped on
the attachment
ID Plate
24'
20'
16'
12'
8'
4'
0'
-4'
-8'
30°
20°
10°
-9°
12'16'20'24'28'32'
USE WITH: 9140-5101 48" SLOPE PILER CARRIAGE 9140-5079 72" SLOPE PILER CARRIAGE
1
0'4'8'
Regions indicate the maximum weight that may be safely lifted
9150-3083 (-)
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
Capacity Chart Part number
13.3
WARNING
!
WARNING
!

ATTACHMENT INSTALLATION PROCEDURES

INSTALLATION PROCEDURE FOR MOST ATTACHMENTS (items 1 thru 6):
This installation procedure is designed for one-man operation. If a helper is involved, shut off the engine before proceeding to steps 4, 5, and 6.
1. Retract Quick Switch™ (attachment tilt lever forward) to provide clear­ance. Check to be sure lock pin is secured in out position with retainer pin.
3. Engage Quick Switch™ (attachment tilt lever backward).
2. Align boom head pivot with recess in attachment. Raise boom slightly to engage boom head pivot in recess.
Always be certain that carriage or other attachment is properly positioned on boom head and is secured by lock pin and retainer pin. Failure to ensure proper installation could permit attachment to disengage and cause serious injury or death.
4. Remove retainer pin and slide lock pin in fully.
14.0
5. Secure lock pin in locked position using retainer pin.
6. Swing saddles down and pin in place.
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
ATTACHMENT INSTALLATION PROCEDURES
ADDITIONAL STEPS TO INSTALL TRANSFORMER SERIES PLATFORM (items 7 thru 10):
NOTE!
When hooking up the Transformer Series platform, the hydraulic hoses are run through the Quick Switch™. Pull these hoses and electrical cables back to prevent pinching when attaching and hooking up hydraulic hoses to the front of the boom.
7. Always turn off the machine before performing the next several steps.
9. Attach the electric harness lines as shown to the front of boom.
8. Press the decompression valve located in cab, this takes the pressure out of the auxiliary hydraulic lines located on boom head.
10. Attach the hydraulic lines to the side of boom as shown.
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This machine has been equipped with a serial number specific Transformer Series
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Personnel Work Platform. Do not exchange transformer platforms between
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machines. Doing so will require calibration changes to the controller that must be
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performed by a qualified service technician. This platform assembly is designed
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soley for use with the
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Transformer Model Machines only.
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
Important Notice !
14.1

ATTACHMENTS

CAUTION
!
WARNING
!
Approved Attachments
Several JLG/GRADALL-approved attachments are available for use with your material handler. Contact your JLG/GRADALL Distributor or JLG/Gradall for information on approved attachments designed to solve special material handling problems.
The serial number plate lists attachments approved for use with your Transformer Series Material Handler. However, there may be additional approved attachments available. Contact your JLG/GRADALL Distributor for further information.
Non-Approved Attachments
Do not use non-approved attachments for the following reasons:
• JLG/GRADALL cannot establish range and capacity limitations for “will fit”, homemade, altered, or other non-approved attachments.
• An overextended or overloaded handler can tip over with little or no warning and cause serious injury or death to the operator and/or those working near the handler.
Attachments which have not been approved for use with your handler could cause machine damage or an accident resulting in injury or death.
• JLG/GRADALL cannot assure the ability of a non-approved attachment to perform its intended function safely.
• Non-approved attachments may cause structural or other damage to the handler. Such damage could cause dangerous operating conditions resulting in serious injury or death.
Carriage/Fork Capacities
The standard carriage/fork capacity chart (located on the dashboard) indicates maximum reach and load capacities for handlers equipped with an approved carriage/fork combination. These limitations apply to standard, JLG/
GRADALL-approved carriage/fork combinations, except as stated on the capacity chart.
Non-standard carriage/fork combinations (greater or lesser capacity) may be furnished by JLG/GRADALL at customer’s request or may be available for installation because they were furnished for a different application.
If a carriage/fork combination of lesser capacity is used, the overall machine capacity is reduced to carriage/fork capacity as indicated on carriage/fork serial number plate.
The capacity of forklift, attachment and fork combination may be less than the capacity shown on attachment. Consult forklift nameplate and also ensure forks are of proper size.
Forks rated less than the attachment capacity decrease capacity of attachment to that of forks. Forks rated more than attachment capacity do not increase attachment capacity.
15.0
If a carriage/fork combination of greater capacity is used, the overall machine capacity may be reduced because of additional attachment weight and/or other considerations. Contact your local JLG/GRADALL Distributor to determine
capacity limitations.
Other Attachment Capacities
A serial number/capacity plate is attached to all JLG/GRADALL-furnished attachments. Do not assume that any JLG/GRADALL attachment may be
used on any JLG/GRADALL Material Handler.
ATTACHMENTS
WARNING
!
First, check the listing of approved attachments on handler serial number plate. If the attachment in question is not included in the list, contact your local JLG/GRADALL Distributor to check whether or not the attachment is approved.
Next, if the attachment is approved for use with your handler, compare maximum capacity from attachment serial number plate and value stamped on forks to maximum capacity for that attachment as indicated on material handler serial number plate. The smallest of these values is correct for
your handler
Attachment Operation
Operation of the handler equipped with carriage/fork combination is covered in the GRADALL Material Handler Safety Manual and this Manual.
Operation of the handler when equipped with other approved covered in this section or in separate instructions Any separate instructions must be kept in Manual Holder in cab with this Owner/ Operator Manual, an additional copy must be kept with the attachment if it is equipped with a manual holder.
furnished with the attachment.
attachments is
Never use an attachment without the appropriate, JLG/GRADALL supplied capacity chart for that particular attachment installed on the handler.
Operate a handler equipped with an attachment as a partially-loaded handler. Pay special attention to capacity and range limits for the handler/attachment combination.
Practice operation of handler and attachment in a safe, open area, not hazardous to yourself, other persons, equipment or property. Become thoroughly familiar with response of handler and attachment to controls before operating in a work situation.
Always consider terrain between present location of load and delivery point. Never attempt to transport a load across terrain which could cause handler to tip over.
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
15.1
WARNING
!
WARNING
!
WARNING
!
WARNING
!
ATTACHMENTS
Fork Positioner
Capacity:
Maximum load capacity for fork positioner carriage is the same as standard carriage without fork positioner. Refer to Attachment Capacity Chart. Capacity varies with boom extension and elevation positions.
Controls: Figure 13-1
AUXILIARY
CONTROL LEVER
OPEN
FORKS
CLOSE
FORKS
The auxiliary control lever is used to adjust fork position. Pull lever back to close forks, push lever forward to open forks.
PRECAUTIONS
• Always adjust fork position before engaging load.
• As with all other attachments, handler must be level before handling a load more than 1.2m (four feet) above ground level. See “Leveling
The Handler,” page 11.0.
Installation Procedure:
1. Remove standard carriage/fork combination or other attachment from boom head. See “Attachment Installation” page 14.1.
2. Install carriage/fork combination with positioner.
3. Connect auxiliary hydraulic hoses to positioner cylinders.
Operation:
• Always adjust fork position before engaging load. Moving forks after
engaging load could cause load to fall from forks.
Light Material Bucket
Capacity:
Maximum capacity of light material bucket is shown on the attachment serial number plate and may be used in areas where it does not exceed capacities shown on standard carriage/fork capacity chart. Capacity must be reduced for areas where maximum bucket capacity would exceed standard carriage/ fork capacity chart.
Attachment Tilt Controls: Figure 13-2
LOWER
BUCKET
LIP
RAISE
BUCKET
LIP
RIGHT HAND
(standard)
LOWER
BUCKET
LIP
OPTIONAL
RAISE
BUCKET
LIP
Observe all precautions and load capacity limits (listed previously) when handling loads with carriage/fork positioner.
PRECAUTIONS
• Handler must be level before handling a load more than
1.2m (four feet) above ground level. See page 11.0.
• Retract boom fully before loading bucket. Loading bucket with boom extended could damage structural members or extension chains/ cables.
• Avoid shock loads; drive into stockpile smoothly to load bucket.
• Do not use bucket as a lever to pry heavy material. Excessive prying forces could damage the bucket.
• Do not use bucket for “back dragging.” This could cause severe damage to Quick Switch fittings.
15.2
Because the carriage tilt cylinder is used to tilt the bucket, the carriage tilt lever is used to control the bucket. Pull lever back to raise bucket lip push lever forward to lower bucket lip.
Installation Procedure:
1. Remove carriage/fork combination or other attachment from
boom head.
See page 14.1.
2. Install light material bucket on boom head.
3. Retract boom fully and tilt bucket up or down as required to position bottom of bucket parallel with ground.
Observe all precautions and load capacity limits (listed previously) when handling loads with light material bucket.
Operation:
• Raise or lower boom to appropriate height for loading material from stockpile.
• Align handler with face of stockpile and drive slowly and smoothly into pile to load bucket. Do not corner-load bucket.
• Tilt bucket up far enough to retain load and back away from pile.
• Lower bucket to carry position 1.2m (4 feet) or less above ground and travel carefully to unloading point. Turn bucket down to dump load.
Mast (1.8m [6'] with 1.2m [4’] or 1.8m [6’] carriage)
Capacity:
Maximum lift capacity (indicated on attachment serial number plate) applies only to certain areas within boom extension/elevation pattern of handler/ mast combination. A separate capacity chart must be used for handlers equipped with mast. Study and understand this chart before attempting to handle a load with mast attachment.
Attachment Tilt Controls: Figure 13-3
AUXILIARY
CONTROL LEVER
Installation Procedure:
1. Remove carriage/fork combination or other attachment from boom head.
See page 14.1.
LOWER FORKS
RAISE
FORKS
The carriage tilt cylinder is used to tilt the mast and the carriage tilt lever controls mast tilt. The auxiliary control lever is used to raise and lower the forks in the mast. Pull lever back to raise forks; push lever forward to lower forks.
ATTACHMENTS
WARNING
!
PRECAUTIONS
• Read additional capacity information under “Capacity” heading.
• Because the mast increases lift height, it is especially important to level the handler before lifting a load more than 1.2m (four feet) above ground. See
page 11.0.
WARNING
!
Do not handle a load with Mast attachment until you study and understand the “Mast Capacity Chart.” If your handler does not have a “Mast Capacity Chart,” ask your supervisor to get one before using the attachment.
2. Install mast on boom head.
3. Connect auxiliary hydraulic hoses to mast cylinder.
Operation:
• Always level handler before raising the boom or the forks, with or without a load.
• To travel with a load, lower forks fully in mast and lower boom to position load 1.2m (4 feet) or less above ground, allowing for best visibility.
• Use mast as required to increase vertical reach of handler.
• Use a signal man to assist in positioning the load if necessary.
Swing Forks
Capacity:
Maximum lift capacity for swing forks is shown on the attachment capacity chart. However, maximum lift capacity applies only to certain areas within boom extension/elevation pattern of handler/swing forks combination. A separate capacity chart must be used for handlers equipped with swing forks. Study and understand this chart before attempting to handle a load with swing forks attachment.
WARNING
!
Do not handle a load with Swing Forks attachment until you study and understand the “Swing Forks Capacity Chart.” If your handler does not have a “Swing Forks Capacity Chart,” ask your supervisor to get one before using the attachment.
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
15.3
WARNING
!
WARNING
!
WARNING
!
WARNING
!
ATTACHMENTS
Attachment Tilt Controls: Figure 13-4
SWING
LEFT
AUXILIARY
CONTROL LEVER
SWING
RIGHT
The carriage tilt cylinder is used to tilt the swing forks up and down and the carriage tilt lever controls fork tilt.
The auxiliary control lever is used to swing the forks to the left and right. Pull lever back to swing forks right; push lever forward to swing forks left.
Installation Procedure:
1. Remove carriage/fork combination or other attachment from boom head.
See page 14.1.
2. Install swing forks attachment on boom head.
3. Connect auxiliary hydraulic hoses to swing forks attachment.
Operation:
• Always position forks straight ahead before engaging load.
• To travel with load, keep forks in straight ahead position and lower load to 1.2m (4 feet) or less above ground allowing for best visibility.
• Inspect supporting surface at delivery point and have it leveled if necessary.
• Use a signal man to assist in positioning the load if necessary.
Slope Piler Carriage
Capacity:
Maximum lift capacity for the slope piler carriage is shown on the attachment serial number plate. However, maximum lift capacity applies only to certain areas within boom extension/elevation pattern of handler/slope piler carriage combination. A separate capacity chart must be used for handlers equipped with slope piler carriage. Study and understand this chart before attempting to handle a load with slope piler carriage.
PRECAUTIONS
• Read and understand additional capacity information under “Capacity” heading.
• Always level forks (horizontally) before swinging load to side. Swinging unlevel forks could result in load slipping from forks.
• Because the swing forks can swing the load to the side, it is especially important that the handler be level when handling a load more than
1.2m (four feet) above ground. See page 11.0.
PRECAUTIONS
• Level handler before tilting carriage to engage load.
• Always level handler before lifting a load more than
1.2m (four feet) above ground. See page 11.0.
Attachment Tilt Controls: Figure 13-5
TILT
AUXILIARY
CONTROL
LEVER
COUNTER-
CLOCK-
WISE
TILT
CLOCK-
WISE
The carriage tilt lever controls carriage tilt.
The auxiliary control lever is used to tilt slope piler carriage. Push lever forward to tilt carriage counter-clockwise; pull lever back to tilt clockwise.
Installation Procedure:
1. Remove carriage/fork combination or other attachment from boom head.
See page 14.1.
2. Install slope piler carriage on boom head.
Operation:
• Connect auxiliary hydraulic hoses to slope piler carriage attachment.
• Approach load with forks centered on load and stop handler.
• Level handler before tilting carriage to engage load.
15.4
Do not handle a load with Slope Piler Carriage attachment until you study and understand the “Slope Piler Carriage Capacity Chart.” If your handler does not have a “Slope Piler Carriage Capacity Chart,” ask your supervisor to get one before using the attachment.
A side load or a swinging load could cause the handler to tip over and/or damage the boom.
• Tilt carriage to left or right to align forks with load and engage load.
• Raise load slightly and then level carriage.
• Travel with load lowered to travel position 1.2m (4 feet) or less above ground.
Truss Boom & Truss Boom with Winch
Capacity:
Maximum capacity for the truss boom (with or without winch) is shown on attachment serial number plate. However, maximum lift capacity applies only to certain areas within boom extension/elevation pattern of handler/truss boom combination. A separate capacity chart must be used for handlers equipped with truss boom. Study and understand this chart before attempting to handle a load with truss boom.
Observe the following Special Precautions:
• Never drag the load; lift vertically.
• Use tag line to guide and steady a suspended load. Tag lines must be long enough to keep helpers clear of load and handler.
• Beware of wind. Wind can cause a suspended load to swing and cause dangerous side loads - even with tag lines.
ATTACHMENTS
WARNING
!
PRECAUTIONS
• Because the truss boom extends the reach of the handler, maximum load capacity is reduced.
• Because of extended reach, it is especially important to level the handler before lifting a load. See page 11.0.
• Travel with load and boom lowered to travel position
1.2m (4 feet) or less above ground.
• Always lower load to rest before leaving handler.
• Start, travel, turn, and stop slowly to prevent load from swinging.
• Weight of all rigging (slings, etc.) must be included as part of load.
• Do not attempt to use handler frame-leveling to compensate for load swing.
Attachment Tilt Controls: Figure 13-7
LOWER
AUXILIARY
CONTROL LEVER
WINCH
LOAD
RAISE
WINCH
LOAD
The carriage tilt cylinder is used to tilt the truss boom up and down from the handler boom head. The carriage tilt lever controls truss boom tilt.
The auxiliary control lever is used when the truss boom is furnished with a winch. Pull the lever back to raise winch load; push the lever forward to lower winch load.
Installation Procedure:
1. Remove carriage/fork combination or other attachment from boom head.
See page 14.1.
2. Install truss boom on boom head.
WARNING
!
Do not handle a load with Truss Boom & Truss Boom with Winch attachment until you study and understand the “Truss Boom & Truss Boom with Winch Capacity Chart.” If your handler does not have a “Truss Boom & Truss Boom with Winch Capacity Chart,” ask your supervisor to get one before using the attachment.
WARNING
!
A side load or a swinging load could cause the handler to tip over and/or damage the boom.
Operation:
• If truss boom winch is furnished, connect auxiliary hydraulic hoses to winch.
• Approach truss or truss bundle with boom above and parallel to load.
• Position truss boom approximately parallel with main boom.
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
15.5
WARNING
!
WARNING
!
ATTACHMENTS
Truss Boom & Truss Boom with Winch (cont.)
Operation continued:
• Position truss boom/winch hook as close as possible to balance point of load and secure load to boom using short slings or other rigging. Be sure rigging will not allow load to slip in any direction.
• Open clamps at heel of truss boom far enough to clear load and tilt truss boom up until truss/bundle contacts heel of truss boom.
• Close clamps to hold load lightly and secure clamps.
• Transport load to delivery site and attach tag lines if load will be freely suspended.
Swing Mast
Capacity:
Maximum lift capacity is shown on attachment serial number plate. However, maximum lift capacity applies only to certain areas within boom extension/ elevation pattern of handler/swing mast combination. A separate capacity chart must be used for handlers equipped with mast. Study and understand this chart before attempting to handle a load with swing mast attachment.
Controls: Figure 13-8
SIDE
SHIFT
The carriage tilt cylinder is used to tilt the mast and the carriage. Tilt lever controls mast tilt.
SWING
MAST
• Press right switch up to “SIDE SHIFT” to activate side shift function. Move
auxiliary hydraulic lever in appropriate direction.
• Press left switch down to “SWING” to activate swing function. Move
auxiliary lever in appropriate direction.
• Press right switch down to “MAST” to activate mast function. Move auxiliary
lever in appropriate direction.
PRECAUTIONS
• Always level forks (horizontally) before swinging load to side. Swinging unlevel forks could result in load slipping from forks.
• The swing mast attachment has a smaller load capacity than the standard carriage/ fork attach. Study and understand the swing mast capacity chart before handling a load with swing mast.
• Read additional capacity information under “Capacity” heading on chart.
• Because the swing mast increases lift height and can swing load to side; it is especially important to level handler before lifting a load more than 1.2m (four feet) above ground level. See
page 11.0.
15.6
Installation Procedure:
1. Remove carriage/fork combination or other attachment from boom head.
See page 14.1.
2. Install swing mast on boom head and connect auxiliary hydraulic hoses to swing mast diversion valve hoses. Also connect electrical cable at boom head.
Do not handle a load with Swing Mast attachment until you study and understand the “Swing Mast Capacity Chart.” If your handler does not have a “Swing Mast Capacity Chart,” ask your supervisor to get one before using the attachment.
Operation:
• Always lower carriage fully in mast and position forks straight ahead before engaging load.
ATTACHMENTS
• To travel with a load, keep forks straight ahead and lower load to travel position 1.2m (4 feet) or less above ground.
• Inspect supporting surface at delivery point and have it leveled if necessary.
• Level handler before raising load.
• If necessary, perform a “dry-run” (unloaded) of delivery to determine best position for handler.
• Use a signal person to assist in positioning the load if necessary.
Personnel Work Platform (without controls on Platform)
The material handler operator and personnel in the platform must read and understand the separate personnel work platform manual included with the attachment prior to using the platform.
Capacity:
The Gradall personnel work platform is designed to carry a maximum of 3 occupants. The load includes personnel, materials, tools, etc. The maximum capacity of your work platform is based on specific model material handler/ work platform combination. To determine maximum load capacity for given operating ranges, consult the proper load capacity chart (furnished with platform) for the material handler and work platform in use. If your
handler is not equipped with the proper personnel work platform capacity chart, get one before using the attachment.
WARNING
!
Observe all precautions and load capacity limits when handling loads.
WARNING
!
Do not use the Personnel Work Platform until you study & understand the “ Capacity Chart”. If your handler does not have the correct “Personnel Work Platform Capacity Chart”, ask your supervisor to get one before using the attachment.
Installation Procedure:
1. Remove carriage/fork combination or other attachment from boom head.
See page 14.0 & 14.1.
Operation:
• Gradall Personnel Work Platforms are approved for use only on Gradall
Material Handlers equipped with the proper platform capacity chart.
• When lifting personnel, use only a Gradall manufactured personnel work
platform. No other platform is approved for use on Gradall Material Handlers.
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
15.7
WARNING
!
WARNING
!
WARNING
!
ATTACHMENTS
“Transformer Series” Personnel Work Platform
(with controls on Platform)
For proper operation of the “Transformer Series” Platform, refer to the appropriate Owner/Operator manual P/N 9150-4004 located at the back of this manual and included with the attachment prior to using the platform.
Capacity:
Refer to capacity decal on platform and capacity indicator located on control console. The load includes personnel, materials, tools, etc. The maximum capacity of your work platform is based on specific model material handler/ work platform combination. To determine maximum load capacity for given operating ranges, consult the proper load capacity chart (furnished with platform) for the material handler and work platform in use. If your handler
is not equipped with the proper personnel work platform capacity chart, get one before using the attachment.
Installation Procedure:
1. Remove carriage/fork combination or other attachment from boom head.
See page 14.0 & 14.1.
Changing controls for operation from platform:
Do not use the Personnel Work Platform until you study & understand the “ Capacity Chart”. If your handler does not have the correct “Personnel Work Platform Capacity Chart”, ask your supervisor to get one before using the attachment.
In Cab:
• Control Station Selector switch should be set to platform operation.
• Emergency Stop button must be pulled up.
• Steer Select Switch should be set to front wheel steer.
• Transmission control lever should be set to neutral with 1st gear selected.
Proceed to work platform
• When starting engine, the footswitch must be in the released (up) position.
• Push “UP” on Engine Start/Auxiliary Power switch to start engine. If engine fails to start within 20 seconds, release Engine Start/Auxiliary Power switch and allow starting motor to cool for a few minutes before trying again.
In Platform Mode:
• Maximum travel speed is 3.5 MPH with boom retracted and lowered (travel position).
• When boom is extended approximately 3.5 feet and/or raised above 7°, the machine will slow to creep mode (.5 MPH).
• When in creep mode and returning boom to travel position, the travel control must be returned to neutral and reactivated to increase speed above .5 MPH.
Do not switch control for platform to cab with personnel in platform except in emergency.
The TF6-42 Handler is designed as a single station operation machine. Do not allow anyone in
cab while machine is being operated in platform mode, and restrict personnel from the work platform while traveling or operating from cab.
15.8
OBTAINING HYDRAULIC OIL SAMPLE
1. Operate unit until hydraulic oil reaches normal operating temperature.
2. Apply parking brake, lower boom to rest and shift Forward/Reverse lever to “Neutral” Observe Hydraulic Filter Bypass Indicator with engine running at full throttle. Replace filter elements if necessary.
3. Obtain a container to receive waste oil and a CLEAN container to receive oil sample.
4. With gauge removed from hose, attach mini-check and hose to test port located on frame (see diagram below). Hose end must be positioned in waste oil container.
5. Allow at least one pint of oil to flow into waste oil container to eliminate any contamination from hose.
6.
Move hose to CLEAN container to collect sample for analysis.
7. Return hose to waste oil container and disconnect adapter from mini-check test port.
8. Cover sample container immediately with CLEAN cap.
9. Stop engine and check oil level in reservoir and replenish as required. For ease of filling reservoir, use a funnel with a hose or flexible tube for best results.
10. Contact your GRADALL Distributor for information concerning oil analysis.
NOTE!
OIL CLEANLINESS IS CRITICAL The filtration system is designed to maintain a minimum ISO cleanliness level of 18/15.
Oil sample containers are available from several sources:
• Oil companies
• Oil suppliers
• Sampling labs
TAKE HYDRAULIC
SAMPLE FROM THIS
PORT
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
16.0

LOADING & SECURING FOR TRANSPORT

WARNING
!
Loading & Securing Handler For Transport
1. Level the material handler prior to loading.
2. Using a spotter, load the handler with boom as low as possible to keep a low center of gravity.
3. Once loaded, apply parking brake and lower boom until boom or attachment is resting on deck. Move all controls to “Neutral”, stop engine and remove the control station selector key.
4. Secure machine to deck by passing chains through four tie-down lugs on front and rear of machine. (See figures 15-1 & 15-2)
5. Secure work platform by passing restraining strap through center as shown in figure 15-3.
6. Do not tie down front of boom.
Figure 15-1 (front view) Figure 15 -2 (rear view)
Before loading handler for transport, make sure deck, ramps and handler wheels are free of mud, snow and ice. Failure to do so could cause handler to slide, resulting in an accident causing serious injury or death.
Figure 15 -3 (work platform view)
17.0

MOVING HANDLER IN EMERGENCY

The following information assumes the handler cannot be moved under its own power.
Before moving the handler, read all of the following information to understand options available. Then select the appropriate method.
The steering system permits manual steering if engine or power assist feature fails.
Remember:
• Although manual steering is possible without power assist, steering will be
slow and will require much greater force.
• Response to manual steering will be increased if parking brake is released and front axle drive is bypassed, permitting front wheels to roll.
MOVING SHORT DISTANCES
If it is only necessary to move handler a short distance less than 30m (100 feet), it is permissible to use a vehicle of sufficient capacity to tow the unit with no previous preparation. Drive wheels will not roll. If the unit must be moved more than 30m (100 feet), but less than 182m (200 yards), it is permissible to use a vehicle of sufficient capacity to tow unit after you:
• Release parking brake. See page 18.1.
MOVING LONGER DISTANCES
If the handler must be moved more than 182m (200 yards), it must be loaded on to a trailer of sufficient capacity.
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
18.0
WARNING
!
MOVING HANDLER IN EMERGENCY
CARRARO AXLE:
TO RELEASE PARKING BRAKE
1. If possible position unit on level ground, lower attachment to approximately .3m (one foot) from ground, move forward/reverse lever to “Neutral”, apply parking brake and stop engine.
2. Chock all wheels to prevent inadvertent movement.
Figure 16-1
FRONT OF
MACHINE
RELEASE
SCREW
(8 o’clock
position)
RELEASE
SCREW
(12 o’clock
position)
If you release the park brake without first chocking the wheels, the material handler could roll. Chock all wheels before releasing park brake.
RELEASE
SCREW
(4 o’clock
position)
3. Working one side at a time, remove three plugs from differential housing (located at 12 o’clock, 4 o’clock and 8 o’clock). Put plugs aside.
5. Tighten each release screw revealed by the plugs, lightly until it just makes contact with guide pin.
6. Working carefully, tighten each release screw only 1/4 turn (90°) at a time, in sequence, until all three screws have been turned one full turn 360° approximately 67 n.m (50 ft.-lb.). Larger turns could cause components to bind and cause brake failure.
7. Repeat this procedure on other side of differential. Parking brake should be released.
TO RESTORE PARKING BRAKE
Make certain engine is stopped and all wheels are chocked.
Loosen each release screw, only 1/4 turn at a time, in sequence, until each screw has lost contact with guide pin. Then back out each screw until it bottoms out against the stop.
Repeat procedure on other side of differential. Parking brake should be restored to operation.
Install plugs over each release screw.
18.1
WARNING
!
DANA AXLE:
MOVING HANDLER IN EMERGENCY
AXLE MANUAL RELEASE (steps 1-3) Chock wheels before performing this procedure.
1. Loosen the nuts (37) of the screws (36) for the
manual release of the braking units. Draw the nuts back about 6mm.
The front axle service brakes will not operate when the park brakes are manually disengaged. The rear brakes may only provide half of the machine’s normal braking capability. Always reset the brake release screws before allowing machine back in to regular service.
ADJUSTMENTS AFTER MANUAL RELEASE (steps 4-6)
4. Remove the screws (36) along with nuts (37) and
seals. Replace seals (39), lubricate screws (36) with silicone-based TECNO LUBE 101 grease and re-install the screws along with the nuts.
2. Tighten screws (36) until they are seated on the driving plate (10).
3. Using a wrench, tighten two screws (36) in an alternate manner by 1/4 turn at a time in order to compress the Belleville washer (24) and release the braking discs. The stroke required for brake release corresponds to 1 turn. Attention! Do not exceed this value.
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
5. Adjust jut of screw heads (36) in relation to the arm by 32 mm.
6. Lock screws (36) in position with check nuts (37).
Attention! Check screw jut over with maximum
care.
1
+ o
18.2
MAINTENANCE
NOMENCLATURE
27
28
13
12
7
6
8
9
10
11
14
5
15
4
3
16
17
2
18
1
19
20
24
23
33
22
21
29
30
26
25
32
31
34
1. FRONT AXLE
2. TIE-DOWN LUGS
3. SWAY CYLINDER
4. HYDRAULIC TANK & FILTER
5. IMPLEMENT PUMP
6. TRANSMISSION OIL FILTER
7. ENGINE COMPARTMENT
8. MIRROR
9. BATTERY
10. TRANSMISSION
11. AUXILIARY HYD PUMP
12. ENGINE
13. RADIATOR
14. HYDRAULIC OIL COOLER
15. TRANSMISSION OIL COOLER
16. REAR AXLE
17. STABILIZER CYLINDER
18. PRIORITY VALVE
19. PILOT CONTROL VALVE
20. STEERING CYLINDER
21. MAIN CONTROL VALVE
22. AIR CLEANER
23. REAR DRIVE SHAFT
24. STEER SELECT VALVE
25. FRONT DRIVE SHAFT
26. STEERING CYLINDER
27. BOOM HEAD
28. THIRD BOOM SECTION
29. SECOND BOOM SECTION
30. FIRST BOOM SECTION
31. CROWD CYLINDER
32. OPERATORS CAB
33. HYD TANK BREATHER
34. LIFT CYLINDER
35. COMPENSATION CYLINDER
36. COUNTERWEIGHT
37. TIE-DOWN LUGS
38. REAR LUG NUTS
39. FUEL TANK
40. REMOTE BRAKE VALVE
41. FRONT LUG NUTS
42. ATTACHMENT TILT
35
CYLINDER
43. QUICKSWITCH
42
DO NOT GO NEAR LEAKS
* High pressure oil easily punctures skin causing serious injury, gangrene or death. * If injured, seek emergency medical help. Immediate surgery is required to remove oil. * Do not use finger or skin to check for leaks. * Lower load or relieve hydraulic pressure before loosening fittings.
C
10814B
36
37
19.0
43
41
44
40
39
38
NOMENCLATURE
MAINTENANCE
47
47
52
44
51
53
45
54
50
47
49
46
47
48
47
47
45
44
44. ENTRY/EXIT GATE
45. LATCH
46. ELECTRONIC CONTROL PANEL
47. LANYARD ANCHORAGE POINT
48. MANUAL STORAGE BOX
49. PLATFORM SUPPORT WELDMENT
50. ROTATING CYLINDER
51. QUICKSWITCH WELDMENT
52. DOUBLE PILOT CHECK VALVE
53. VALVE MOUNTING PLATE
54. ELECTRICAL CONNECTOR STORAGE
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
19.1
LUBRICATION & ROUTINE MAINTENANCE
111
5
SYMBOLS
= Lube Fitting
= Other Service = Service Both Sides
22 3
Lubrication Symbols
DF - DIESEL FUEL EO - ENGINE FUEL HF - HYDRAULIC FLUID
2
2
HM - MOLY LUBE (extreme pressure)
5
5
51 4
FAILURE TO USE GRADALL
2
4
22
HYDRAULIC FILTER ELEMENTS
COULD VOID WARRANTY
16 17 18
19 20 21
22
23
24
10
6
7 8
10
7 8
11
14
6
15
13
9
6
IMPORTANT NOTICE
6
27
36
27
Be certain to check extend chain adjustment every 5 weeks or 250 hours and adjust as required. Chain damage can occur if chain is not adjusted properly.
37
38
39
LUBRICATION NOTICE
• After greasing machine, cycle all functions several times to distribute lubricants. Perform this maintenance procedure without attachment or forks installed.
• Apply a light coating of engine oil to all linkage pivot points.
• Clean lubrication fittings before lubricating.
• Intervals shown are for normal (8-hour day) usage and conditions. Adjust intervals for abnormal usage and conditions.
• Drain engine and gear cases after operating when oil is hot.
• Check lubricant levels when lubricant is cool. For ease of filling hydraulic reservoir, use a funnel with a hose or flexible tube for best results.
• Clean filter and air cleaner housing and reusable elements using solvent or diesel fuel. Dry components thoroughly using lint free cloth.
35
STAY CLEAR OF PINCH POINT AREA ANYTIME ENGINE IS RUNNING. BEING IN PINCH POINT AREA COULD CAUSE SERIOUS INJURY OR DEATH.
9114-3282
31
28
NO RIDERS PERMITTED ON HANDLER.
CAUSING SERIOUS INJURY OR DEATH.
DIESEL FUEL IS FLAMMABLE EXTINGUI SH ALL OPEN FLAME AND SMOKING MATERIALS WHEN REFUELI NG INJURY OR DEAT H C OUL D RES UL T
FROM FIRE.
9114-3286
OPERATOR ONLY IN MACHINE
WHILE RUNNING.
RIDERS CO ULD FALL OF F MACHINE
9114-3283
30
12
29
32
33
STAY CLEAR OF PINCH POINT AREA ANYTIME ENGINE IS RUNNING. BEING IN PINCH POINT AREA COULD CAUSE SERIOUS INJURY OR DEATH.
9114-3282
DO NOT GO NEAR LEAKS
* High pressure oil easily punctures skin causing serious injury, gangrene or death. * If injured, seek emergency medical help. Immediate surgery is required to remove oil. * Do not use finger or skin to check for leaks. * Lower load or relieve hydraulic pressure before loosening fittings.
10814B
31
35
19.2
PERFORM PRE-START & FUNCTION CHECK ON PAGE P6.1 AND THE “WALK-AROUND INSPECTION” AS DESCRIBED ON PAGES P6.2 & P6.3 IN THE TRANSFORMER SERIES WORK PLATFORM MANUAL SECTION LOCATED IN THE BACK OF THIS MANUAL. THIS INSPECTION IS A DAILY REQUIREMENT BEFORE OPERATING THIS MACHINE.
Lube No. of
CAUTION
!
Service intervals are based on machine usage of 1500 hours annually. Use of your unit may vary significantly and you must adjust service frequency for your usage to obtain maximum service life. Frequency headings in the following schedule indicate a calender limit and an operating hour limit. Perform service at whichever interval occurs first.
Lube No. of
SymbolPoints
Daily or Shift (10 hour Maximum)
Lubrication & Maintenance
12 .Air Cleaner Element Condition Indicator (check
for clogged condition (red band showing) and clean or replace element as required) - 1
13. Hydraulic Return Filter Condition Indicator (check indicator with oil at normal operating temperature and engine running at full throttle ­replace filter element before by-pass indication is reached or at least annually) - 1
15. Transmission Fluid Level HF 1
18. Hydraulic Level Sight Gauges (level handler, retract all o
- refill as required)
19 .Engine Crankcase Dipstick (level handler and
check fluid level - refill as required EO 1
30. Fuel Filler Cap (fill at end of work shift to minimize condensation) DF 1
ther cylinders and check sight gauges
HF 1
Weekly (or 50 Hour)
Lubrication & Maintenance
(include all previous periodic services)
4. Extend/Retract Chain Sheaves HM 3
5. Boom Bottom, Front Slide Bearings (extend boom fully and lube all wear paths - retract and extend boom fully three times and wipe excess lube from bearings) HM 4
11. Sway Cylinder Pivots HM 2
14. Battery (check terminals) - 1
22. Fuel Filter/Water Separator (with Drain) (replace element)
24. Radiator Fill Cap (check level and refill as required - refer to John Deere Manual for coolant conditioner ratio) - 1
28 .Boom Lift Cylinder Pivots H M 2
31. Tires (check for damage and proper inflation)
13.00 x 24, 12 ply - 445 kpa (65 psi) 13R24, 12 Ply - 482 kpa (70 psi)
15.5-25, 12 Ply - 400 kpa (58 psi)
32 .Boom Pivots H M 2 33 .Compensating Cylinder Pivots H M 2 37 .Carriage Tilt Cylinder Pivots H M 2 38 .Boom Head/Carriage Pivot H M 2 39 .Quick Switch Latch H M 1
-1
-4
At End of First 50 Hours Only
10. Differential Drain Plug (drain and refill) HF 2
20. Special engine break-in oil (drain & refill)
(replace filter) EO 1
35. Planetary Drain Plugs (drain while draining
differential) HF 4
15. Transmission Oil & Filter (drain & refill)
(replace filter) HF 1
At End of First 30 Days Only
(250 Hours Maximum)
Lubrication & Maintenance
• Check torque of all items listed in Torque Chart (pg 20.0)
5 Week (or 250 Hour)
Lubrication & Maintenance
(include all previous periodic services)
1. Boom Front Top and Side Slide Bearings (extend boom fully and lube all wear paths ­retract and extend boom fully three times and wipe excess lube from bearings) HM 12
2. Boom Rear Slide Bearings (lube paths) HM 12
3. Boom Extend Chain (check adjustment and adjust as required) - 2
5. Boom Front Bottom Slide Bearings (to be performed by experienced maintenance person
- check for damage and excessive wear - no wear permitted past bevel - maximum clearance at top bearings is 3mm (1/8 inch), shim or replace as required; when these bearings require service, check all other slide bearings - shims are 1.5mm (1/16 inch) thick - 4
6. Axle Kingpins H M 8
7. Axle Level Plug (check level and refill as required) HF 2
8. Axle Trunnions HM 4
20. Engine Crankcase Filler Cap (drain oil and refill top level) EO 1
21. Engine Oil Filter (replace filter element) - 1
23. Drive belts (check condition - replace as required) - 1
27. Drive Shaft Slip Joints HM 4
29. Vacuator Valve (rubber cone on bottom - check to be sure cone is clear and undamaged) - 1
35. Planetary Level Plug HF 4
36 .Transfer Case (check and top off) H F 1
• Check torque of all items listed in Torque Chart (pg 20.0)
Quarterly (or 500 Hour)
Lubrication & Maintenance
(include all previous periodic services)
16. Hydraulic System (we recommend that
hydraulic fluid be analyzed to determine condition - drain and refill reservoir if required HF 1
17. Hydraulic Reservoir Screen (remove, clean,
and install when hydraulic oil is drained) - 1
22. Fuel Filter/Water Separator (with Drain)
(replace element) - 1
Semi-Annual (or 1000 Hour)
Lubrication & Maintenance
(include all previous periodic services)
9. Hyd. Tank Filter/Breather (replace) - 1
10. Axle Drain Plug (drain and refill) HF 2
15. Transmission Drain Plug (drain, fill to level,
replace filter) HF 1
32. Rear Hub Drain Plug (drain and refill) HF 2
35. Planetary Drain Plugs (drain while draining
differential) H F 4
36. Transfer Case (drain & refill)
Annual (or 1500 Hour)
Lubrication & Maintenance
(include all previous periodic services)
13. Hydraulic Return Filter (replace filter element) - 1
16. Hydraulic System (unless fluid is analyzed
quarterly to determine degree of contamination, reservoir must be drained and refilled on an annual basis) HF 1
17. Hydraulic Reservoir Screen (remove, clean,
and install when hydraulic oil is drained) - 1
24. Engine Cooling System (drain, flush and refill
on basis of period suggested by anti-freeze manufacturer and add Liquid Coolant Additive refer to John Deere manual for coolant conditioner ratio) - 1
Symbol Points
DETAILED SERVICE INSTRUCTIONS ARE CONTAINED IN THE GRADALL SERVICE
MANUAL FOR YOUR PARTICULAR MATERIAL HANDLER
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
19.3

RECOMMENDED LUBRICANTS & CAPACITIES

CAUTION
!
APPLICATION SYMBOL WHEN USED GRADE SPECIFICATION CAPACITY*
Boom Chain CL (chain lube) All Year - P/N 1440-4751 - -
Boom Bearing Paths HM (extreme pres. lube) All Year NLGI #2 P/N 1440-4595 - -
Coolant Additive (SCA supplemental All Year - - 0.5 qts 0.48 L (refer to engine man.) coolant additive)
Transfer Case HF (hydraulic fluid) All Year ** ** 0.8 qts 0.8 L
Transmission HF (hydraulic fluid) All Year ** ** 16.7 qts 15.8 L
Engine Cooling System AF (anti-freeze) All Year 50/50 Permanent 15.5 qts 14.7 L
Engine Crankcase EO (engine oil) All Year 15W-40-CD MIL-L-2104D 14.5 qts 13.8 L
Front/Rear Axle Center Section (Carraro) HF (hydraulic fluid) All Year ** ** 24.4 pints 11.5 L
Center Section (Dana) 13.0 pints 6.1 L
Ea. Wheel End (Carraro) HF (hydraulic fluid) All Year ** ** 3.2 pints 1.5 L Ea. Wheel End (Dana) 3.4 pints 1.6 L
Fuel Tank DF (diesel fuel) All Year #2 - 38 gal 143.8 L
Grease Fittings HM (extreme pres. lube) All Year NLGI #2 P/N 1440-4595 - -
When replacing foam filled tires, replace the complete tire and rim assembly.
Hydraulic System HF (hydraulic fluid) All Year *** *** 43 gal 163 L
* Capacities are approximate - check level to be sure.
** Fill to level using Mobilfluid
*** Fill to level using Mobilfluid
®
424 (GRADALL P/N 1440-4535)
®
424 -OR- Citgo Tractor Hydraulic Fluid (product code 33310)
TORQUE CHART
To check GRADALL torque values, set the torque wrench at 95% of rated torque value and check fastener. If the torque wrench releases before the fastener moves, assume fastener torque is correct. When setting GRADALL torque values, use the values given on the following chart. Do not exceed allowances.
TORQUE (lubricated)
ITEM FREQUENCY* THREAD SIZE FT.-LB. Nm
(GRADE) MINIMUM MAXIMUM MINIMUM MAXIMUM
Boom Slide Bearings (front) 5 Weeks (250 hrs) 3/8-24 (5) 32 37 43 50
5 Weeks (250 hrs) 1/2-20 (5) 68 78 92 106
Boom Slide Bearings (rear) If front bearings have 3/8-24 (5) 32 37 43 50
worked loose 1/2-20 76 86 103 117
Boom Chain Jam Nuts Annually (1500 hrs) 7/8-14 100 125 136 169
Cab Mounting Bolts (upper) Annually (1500 hrs) 7/8-9 530 565 719 766 (lower) Annually (1500 hrs) 3/4-10 340 365 461 495
Engine Assembly Flywheel Housing Bolts Annually (1500 hrs) M10 40 45 54 61
Engine Mounts Annually (1500 hrs) M12 66 76 89 103
M16 166 181 225 245
Front Axle Mounting Bolts Annually (1500 hrs) 3/4-10 340 365 461 495
Wheel Lug Nuts 3 Months (500 hrs) - 350 400 475 543
* Check torque at whichever interval occurs first.
(hand)
(hand)
20.0
Checking & Adjusting Boom
Boom Bearing Pads
Boom bearing pads are to be adjusted for all boom sections. This should be done at boom assembly, however, some adjustments may be required after assembly.
Add shims as required so that front and sides of boom have no more than 1.5mm (.06 inch) clearance.
Add shims as required so that rear of boom has no more than 1.5mm (.06 inch) total clearance.
Number of shims at each pad may vary, however shims at bottom front pads must not vary more than one shim between sides.
Pads must not directly contact shims, thus a spacer must be inserted between pad and shims.
Use Loctite 242 (Gradall P/N 1440-3364) on screws when adding or removing shims.
BOOM
Boom Chain
Check boom chain adjustment. With boom horizontal, extend boom
1.2m to 1.5m (4 to 5 feet), then fully retract boom. Measure gap between all bevel washers on extend chain rod, and add them together. If total of all gaps exceeds 3.04mm (.12 inch), boom chain will need to be adjusted. Adjust as follows:
A. Loosen lock nut on extend chain rod. B. Tighten adjusting nut on extend chain rod until all wash-
ers are just flat (no gap between any washers).
C. Torque lock nut to 100 lb.-ft. (apply Loctite 242 on lock nut)
After adjusting, check that boom sections and / or access holes in side of boom are aligned. If they are not, retract chain will require adjustment as follows:
A. Fully retract boom. B. Measure distance between 2
Determine amount of misalignment.
C. Loosen extend chain lock nut and adjusting nut as far as
possible.
D. Loosen retract chain lock nut and adjusting nut. E. Tighten retract chain adjusting nut until proper distance
between 2 alignment is obtained.
F. Torque lock nut to 100 lb.-ft. (apply Loctite 242 on lock nut) G. Adjust extend chain per instructions above.
nd
and 3rd boom sections and proper access hole
nd
and 3rd boom sections.
For more detailed information, including boom chain checks and adjustments, see the appropriate Service Manual.
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
21.0
INSPECTION AND MAINTENANCE LOG
Date Hourmeter Comments
Reading
22.0

HAND SIGNALS

Standard Signals - When handler work conditions require hand signals, they shall be provided or posted
conspicuously for the use of both signalman and operator. No handler motions shall be made unless signals are clearly understood by both signalman and operator.
Special Signals - When signals for auxiliary equipment functions or conditions not covered are required, they
shall be agreed upon in advance by the operator and signalman.
Instructions - When it is desired to give instructions
system, all handler motions shall
EMERGENCY STOP - With both arms extended laterally, hands open downward, move arms back and forth.
EXTEND TELESCOPIC BOOM - With both hands clenched, point thumbs outward.
STOP - With either arm extended laterally, hand open downward, move arm back and forth.
RETRACT TELESCOPIC BOOM - With both hands clenched, point thumbs inward.
first be stopped.
to the operator other than provided by the
RAISE BOOM - With either arm ex­tended horizontally, fingers closed, point thumb upward.
TILT FORKS UP - With one arm held at side, extend other arm upward at about 45°.
LOWER BOOM - With either arm extended horizontally, fingers closed, point thumb downward.
TILT FORKS DOWN - With one arm held at side, extend other arm downward at about 45°.
established signal
CLOSE BUCKET - Hold one hand closed and stationary. Rotate other hand in small vertical circle with forefinger pointing horizontally at closed hand.
Form No. 20136 3/03 • TF6-42 Owner/Operator Manual
OPEN BUCKET - Hold one hand open and stationary. Rotate other hand in small vertical circle with forefinger pointing horizontally at open hand.
MOVE SLOWLY - Place one hand motionless in front of hand giving motion signal. (Raise load slowly is shown)
STOP ENGINE - Draw thumb or forefinger across throat.
THIS FAR TO GO - With hands raised and open inward, move hands laterally, indicating distance to go.
CALIFORNIA
Proposition 65 Warning
Diesel engine exhaust and some of its
constituents are known to the State of
California to cause cancer, birth
defects and other reproductive harm.
CALIFORNIA
Proposition 65 Warning
Battery posts, terminals and related
accessories contain lead and lead
compounds, chemicals known to the State
of California to cause cancer and birth
defects or other reproductive harm.
Wash hands after handling.
Hydraulic Equipment
406 Mill Ave. SW, New Philadelphia, Ohio USA 44663
Phone (330) 339-2211 Fax (330) 339-8468
http://www.gradall.com
Printed in USA
®
OPERATION & SAFETY MANUAL
®
WORK PLATFORM
®
Form #20140
CORPORATE OFFICE
JLG INDUSTRIES, INC. 1 JLG DRIVE McConnellsburg, PA 17233-9533 USA Telephone: (717) 485-5161 Fax: (717) 485-6417
9150-4004
March 2003
Starting Serial No.
0190001 thru 0190457
& 0160000022 thru Current
Original Issue 3/03
GRADALL DIVISION
JLG INDUSTRIES, INC. 406 Mill Avenue S.W. New Philadelphia, OH 44663 USA Telephone: (330) 339-2211 Fax: (330) 339-8458
Transformer Series
ERSONNEL WORK PLATFORM MANUAL
P
COVERING OPERATION & SAFETY
IMPORTANT!
Read and understand this Manual, the TF6-42 Owner/ Operator Manual, the Gradall Material Handler Safety
Manual, the ANSI A92.5 Responsibilities Manual, and
the EMI Aerial Work Platform Safety Manual before
starting, operating or performing maintenance
procedures on this machine.
DUPLICATE COPIES OF THIS MANUAL
(PART NUMBER 9150-4004) ARE PROVIDED
KEEP ONE COPY WITH WORK PLATFORM
AND ONE COPY IN CAB
personnel work platform
A Company
Form No. 20140
®
WITH OPERATOR AND SAFETY MANUALS
USE ONLY WITH GRADALL TRANSFORMER SERIES MATERIAL
HANDLERS STARTING SERIAL NUMBER 0192001 THRU 0192007
AND SERIAL NUMBER 0160000052 THRU CURRENT
Part No. 9150-4004
®
2
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2
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2
2
2
2
2
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2
2
2
2
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IMPORTANT SAFETY NOTICE

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Safe operation depends on reliable equipment and proper operating procedures. The operating procedures and checks and services provided in this manual are in addition to those supplied with your JLG/Gradall Material Handler. Performing the checks and services described in this Manual and the Owner/Operator Manual furnished with your material handler will help to keep your JLG/Gradall Material Handler and personnel work platform in reliable condition. Following recommended operating procedures can help you avoid accidents. Because some procedures may be new to even the experienced operator and work plaftorm occupants, JLG/Gradall requires that the material handler Owner/Operator Manual and this personnel work platform Manual be read, understood, and complied with by all who operate the material handler and occupy the work platform.
Strict attention to and compliance with instructions provided in this Manual, TF6-42 Owner/Operator Manual, the GRADALL Material Handler Safety Manual, the GRADALL Operator Orientation Video,
the ANSI A92.5 Responsibilities Manual, the EMI Aerial
Work Platform Safety Manual, as well as instructional decals and plates affixed to the machine and attachments will help prevent injuries to personnel and damage to the equipment. The information provided herein is not intended to cover all situations; it is impossible to anticipate and evaluate all possible applications and methods of operation for this equipment.
The operating procedures, checks and services provided in this manual are in addition to those supplied with your JLG/Gradall Material Handler.
Any procedure not specifically recommended by JLG/GRADALL must be thoroughly evaluated from the standpoint of safety before it is placed in practice. If you are not sure, contact your JLG/GRADALL Material Handler Distributor before operating.
Do not modify this personnel work platform or the material handler without written permission from Gradall.
Use only JLG/GRADALL authorized parts. The use of counterfeit parts may cause premature failure which could lead to injuries and/or machine damage.
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Do not modify this personnel work platform
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permission from JLG/GRADALL. Use only genuine
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or the material handler without written
JLG/GRADALL replacement parts.
OTHER NOTICES
JLG/GRADALL retains all proprietary rights to the information contained in this Manual.
JLG/GRADALL reserves the right to change specifications without notice.
Gradall is a registered trademark for Hydraulic Excavators, Hydraulic Material Handlers and Attachments manufactured by The JLG/Gradall Company.

REVISIONS

This page is provided so you may determine that this Manual is complete and current with respect to Gradall Engineering Specifications.
Page Date Revision
Form No. 20140, Issued 3/03
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Transformer Series Work Platform Manual

TABLE OF CONTENTS

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TRANSFORMER SERIES WORK PLATFORM
IMPORTANT SAFETY NOTICE ..................................................... inside front cover
TABLE OF CONTENTS INTRODUCTION
SAFETY ................................................................................. P1.0
DECAL LOCATIONS .................................................................. P2.0
DECALS ................................................................................. P3.0
NOMENCLATURE ..................................................................... P4.0
WORK PLATFORM INSTALLATION............................................... P5.0
CHECKS BEFORE USING .......................................................... P6.0
WARM-UP & OPERATIONAL CHECKS .......................................... P6.1
DAILY “WALK-AROUND INSPECTION” ......................................... P6.2
DAILY REAR AXLE LOCK-OUT TEST PROCEDURE ......................... P7.0
PLATFORM CONTROLS & INDICATORS ....................................... P8.0
PLATFORM OPERATION ............................................................ P9.0
EMERGENCY PROCEDURES ....................................................... P10.0
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This machine has been equipped with a serial number specific Transformer Series
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Personnel Work Platform. Do not exchange transformer platforms between
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machines. Doing so will require calibration changes to the controller that must be
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performed by a qualified service technician. This platform assembly is designed
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soley for use with the
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Transformer Model Machines only.
Important Notice !

INTRODUCTION

General
This manual provides important information regarding safe operating procedures for JLG/Gradall Transformer Series work platform. If you have any questions regarding the JLG/Gradall personnel platform contact your JLG/Gradall Material Handler Distributor.
Operator/Platform Occupant Qualifications
Material Handler operators and platform occupants must be in good physical and mental condition, have normal reflexes and reaction time, good vision and depth perception and normal hearing. They must not be using medication which could impair abilities nor be under the influence of alcohol or any other intoxicant during the work shift.
The operator must be familiar with Sections 6, 7, 8, 9, 10 of ANSI A92.5-1992. These sections contain the responsibilities of the operator concerning safety, training, inspection, maintenance, application and operation.
In addition, the operator must read/view, understand and comply with instructions contained in the following material furnished with the material handler:
• This JLG/Gradall Transformer Series Work Platform Manual
• The /Gradall TF6-42 Material Handler Owner/Operator Manual
• ANSI A92.5 Responsibilities Manual
• EMI Aerial Work Platform Safety Manual
• GRADALL Material Handler Safety Manual
• All instructional decals and plates
• Any optional equipment instructions furnished
NOTE!
The terms “Gradall personnel work platform,” “Transformer Series work platform,” “work platform,” and “platform” are used interchangeably throughout this Manual.
“Material handler” and “handler” are used interchangeably throughout this manual.
NOTE!
Though no offense or discrimination is intended, only the masculine pronouns will be used throughout the remainder of this Manual.
The operator and platform occupant(s) must also read, understand and comply with all applicable Employer, Industry and Government rules, standards and regulations.
Related Manuals & Decals
Separate publications are furnished with the material handler to provide information concerning safety, replacement parts, operation & maintenance procedures and vendor components. Replacement manuals, decals and instruction placards can be ordered from your JLG/GRADALL Material Handler Distributor.
Capacity Limitations
Refer to the capacity decal on Platform and capacity indicators located on the control console. The load capacity includes personnel, materials, tools, etc. The maximum capacity of your work platform is based on specific model material handler/work platform combination.
Serial Number Location
Specify Model and Serial Number when ordering parts and when discussing specific applications and procedures with your Distributor. The Serial Number plate is located on the left side of the adapter support.
Form No. 20140, Issued 3/03
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Transformer Series Work Platform Manual
DANGER
!
WARNING
!
CAUTION
!
WARNING
!

SAFETY

Read and understand all manuals and instructional material listed on cover, inside front cover and introduction page of this Manual before putting the Transformer Series personnel work platform into service.
Regardless of previous experience operating similar equipment, the operator must be given sufficient opportunity to practice with the handler in a safe, open area (not hazardous to people or property) to gain operating skills and the proper “feel” for controls and operating clearances required for safe, efficient operation.
General Safety Precautions
Prior to use, make sure all DANGER, WARNING, CAUTION and INSTRUCTIONAL DECALS are in place and can be read. Clean or replace
decals as required. This manual contains the decals and their locations and can be used as a checklist.
Prior to handling personnel, the material handler and platform shall be thoroughly inspected to ensure controls are functioning properly and all safety features provided are operating properly.
Be aware that when rotating the platform, it can swing into tires. Be sure to allow clearance to avoid damage to tires.
Ensure the footswitch and all other safety devices are operating properly. Do not modify or remove the footswitch or any other safety devices.
WATCH FOR THESE SYMBOLS ; THEY CALL YOUR ATTENTION TO SAFETY NOTICES.
This symbol indicates an extreme hazard which will result in high probability of death or serious injury if proper precautions are not taken.
This symbol indicates a hazard which could result in death or serious injury if proper precautions are not taken.
This symbol indicates a hazard which may result in injury or damage to equipment or property if proper precautions are not taken.
Do not change steer mode while the machine is traveling. Change the steer mode only when machine is stopped.
Always look in the direction of travel. Reduce speed and be especially careful when traveling in reverse and/or turning. Bring the machine to a complete stop before changing the direction of travel.
It is the operators responsibility to ensure that machine capacity is not exceeded.
Special precautions shall be taken to protect personnel from electrical hazards.
Maintain adequate distances from power sources.
Do not lift personnel during thunderstorms, strong winds or other inclement weather.
Personnel shall not sit or climb on the platform railings or use planks, ladders or other devices for attaining additional reach or height. Keep both feet firmly positioned on floor of platform.
Do not use railings for lifting loads unless approved in writing by Gradall.
Personnel in platform shall use hand rails to maintain balance while platform is in motion. Keep hands off guard rails and gate during use.
All personnel in platform must wear a full body harness with lanyard attached to a designated point (see page P2.0). Do not attach more than one lanyard to any one lanyard anchorage point.
Platform occupants must wear a full body harness with a lanyard attached to designated anchorage point.
P1.0
If a platform occupant performs welding, electrically connected electrode holders shall be protected from contact with metal components of the platform. Do not make modifications to the platform, by welding or any other means. Do not ground through any part of machine.
Platform occupants shall not place any portion of their body between the boom and the platform.
SAFETY
Keep the gate closed at all times unless entering or exiting the platform.
Do not use adapter support to lift or suspend materials or personnel.
Do not allow personnel to tamper with or operate the machine from the cab with personnel in the platform equipped with controls, except in an
emergency. Do not allow others to occupy cab while platform controls are in use.
Do not operate or raise the platform from a position on trucks, trailers, railway cars, floating vessels, scaffolds or other equipment unless
approved in writing by JLG/Gradall.
Do not assist a stuck or disabled machine by pushing, pulling, or by using boom functions. Assist only by pulling at the chassis tie-down lugs. If machine becomes stuck or disabled, lower and retract boom, exit platform and move unit from cab controls.
Do not replace items critical to stability with items of different weight or specification (for example: batteries, filled tires, engine, platform).
Do not modify unit in any way to affect stability.
Pre-Operation
IMPORTANT: Perform all checks and services as required in the proper Owner/Operator Manual prior to the use of the personnel work platform.
WARNING
!
Failure to perform the recommended lubrication and maintenance service along with daily checks as detailed in the material handler Owner/Operator manual could result in a malfunction that could cause serious injury or death.
Allow only those authorized and qualified personnel to operate the machine.
Prior to use of platform, check work area for overhead hazards such as electric conductors, bridge cranes, and other potential hazards.
Ensure gate is fastened.
Identify the lanyard anchorage point(s) and securely attach lanyard of an approved fall protection device. Attach only one lanyard per anchorage point.
Avoid accumulation of debris on platform floor. Keep mud, oil, grease, and other slippery substances from footwear and platform deck.
Operation
Do not use the machine with platform attached for any purpose other than positioning personnel, their tools, and equipment.
Always ensure that power tools are properly stowed and never left hanging by their cord from the platform work area.
Do not place boom or platform against any structure to steady the platform or to support the structure.
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P1.1
SAFETY
Trip and Fall Hazards
Keep both feet firmly positioned on the platform floor at all times. Never position ladders, boxes, steps, planks, or similar items on unit to provide additional reach or height.
Never use the boom assembly to gain access to or leave the platform.
Use extreme caution when entering or leaving platform. Ensure that the platform is fully lowered. Always maintain “three point contact” with the platform, using two hands and one foot or two feet and one hand at all times during entry and exit.
Platform-to-structure transfers at elevated positions are discouraged. Where transfer is necessary, enter/exit through the gate only with the platform within 1 foot (0.3m) of a safe and secure structure. 100% tie-off is also required in this situation utilizing two lanyards. One lanyard must be attached to the platform with the second lanyard attached to the structure. The lanyard connected to the platform must not be disconnected until such time that the transfer to the structure is safe and complete.
Electrocution Hazards
Maintain safe clearance from electrical lines, apparatus, or any energized (exposed or insulated) parts in accordance with the Minimum Safe Approach Distance (MSAD) as specified below:
Voltage Range
(phase to phase)
0 to 50KV 10 (3) Over 50KV to 200KV 15 (5) Over 200KV to 350KV 20 (6) Over 350KV to 500KV 25 (8) Over 500KV to 750KV 35 (11) Over 750KV to 1000KV 45 (14)
Maintain a clearance of at least 10 ft. (3m) between any part of the machine and its occupants, their tools, and their equipment from any electrical line or apparatus carrying up to 50,000 volts. One foot additional clearance is required for every additional 30,000 volts or less.
Tipping Hazards
Do not operate platform while on a sloping, uneven, or soft surface. Level the personnel work platform both side to side and front to back before lifting personnel.
Never exceed the maximum work load as specified on the capacity decal and capacity indicator located on the control console. Distribute load evenly on platform floor. Keep all loads within the confines of the platform unless written authorization is received from Gradall.
Crushing Hazards
Keep hands and limbs away from boom assembly during operation.
MSAD
in feet (Meters)
Check clearances above, on sides and bottom of platform when moving platform.
During operation, keep all body parts inside platform railing. Avoid operating over ground personnel. Warn personnel not to work, stand, or walk under a raised boom or platform. Position barricades as necessary.
P1.2

DECAL LOCATIONS

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5
5
7
7
6
1 9150-4060 Rail Caution Decal 2 9150-4061 Manual Decal 3 9150-4062 Function Decal 4 9150-4063 Safety Precaution Decal 5 9150-4064 Lanyard Attachment Decal 6 9150-4065 JLG/Gradall Decal 7 9150-4066 Capacity Warning Decal 8 9150-3111 Serial Number Plate 9 1705684 Wheel Load Decal (not
illustrated)
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P2.0

DECALS

JLG/GRADALL
PART NUMBER
FOR MODEL
SERIAL NUMBER
MODEL YEAR
MAXIMUM HYDRAULIC PRESSURE
ATTACHMENT WEIGHT
UNRESTRICTED RATED CAPACITY
MAXIMUM (RESTRICTED) RATED CAPACITY
Refer to capacity indicator lights located in platform for capacity.
Refer to capacity chart for maximum reach and height.
Platform to be used with same serial number Gradall material handler.
When this attachment is properly installed, this machine meets applicable requirements of ANSI A92.5-1992 as originally manufactured for intended use.
PSI BAR
LBS
JLG Industries, Inc.
McConnellsburg, PA 17233
Made in U. S. A.
9150-3111 REV -
KG
MAX
WITH PLATFORM
INSTALLED
12420 lbs
5640 kg
1705684 A
Located on Platform Support
Weldment
P/N 9150-3111
R
Located on Platform
P/N 1705684
R
P/N 9150-4065
P/N 9150-4062
P3.0
150 lb/667 N
MAX
500 lbs/230 kg
UNRESTRICTED CAPACITY
1000 lbs/450 kg
RESTRICTED CAPACITY
+
2000 lbs/900 kg
RESTRICTED CAPACITY
500 lbs 230 kg
1000 lbs
MAX
+
+
P/N 9150-4066
450 kg
MAX
2000 lbs 910 kg
MAX
DOM
!
WARNING
Do not exceed the platform capacity indicated on the capacity indicator
located on the platform control console. On units with inoperative or defaced
capacity indicators, do not exceed 500 pounds maximum platform capacity.
DEATH OR SERIOUS INJURY COULD RESULT FROM A TIP-OVER.
TIP OVER HAZARD
1705685 A
DECALS
CAUTION
!
P/N 9150-4064
(6) Locations
P/N 9150-4063
NO HANDS OR LANYARD
PLACING HAND HERE MAY RESULT
IN MINOR OR MODERATE INJURY.
P/N 9150-4060
1704277 B
1702868
1701509
P/N 9150-4061
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P3.1

NOMENCLATURE

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1
4
4
10
11
9
8
7
3
4
4
4
1. LATCH
2. ENTRY/EXIT GATE
3. ELECTRONIC CONTROL
4. LANYARD ANCHORAGE
5. MANUAL STORAGE BOX
6. PLATFORM SUPPORT
7. ROTATING CYLINDER
8. QUICKSWITCH
9. DOUBLE PILOT CHECK
4
6
1
5
2
10. VALVE MOUNTING
11. CABLE CONNECTOR
PANEL
POINT
WELDMENT
WELDMENT
VALVE
PLATE
STORAGE
P4.0

WORK PLATFORM INSTALLATION

Approved Attachments
The Transformer Series Work Platform With Controls has been approved for use with JLG/Gradall Transformer Series Material Handlers. Several
other JLG/GRADALL-approved attachments are available for use with your material handler. Contact your JLG/GRADALL Material Handler Distributor for information on approved attachments designed for special material handling situations.
The machine serial number plate lists attachments approved for use with your handler. However, there may be additional approved attachments available. Contact your JLG/GRADALL Material Handler Distributor for further information.
Non-Approved Attachments
Do not use slip-on fork mounted personnel work platforms. Only JLG/
Gradall manufactured personnel work platforms are approved for use with the JLG/Gradall Material Handler.
Do not attach any type of work platform that is not manufactured by
JLG/Gradall to the Quick Switch™ adapter support.
Do not use non-approved attachments for the following reasons:
• JLG/GRADALL cannot establish range and capacity limitations for “will fit”, homemade, altered, or other non-approved attachments.
WARNING
!
Attachments which have not been approved for use with your material handler could cause machine damage or an accident resulting in injury or death.
WARNING
!
Fork mounted personnel work platforms are not approved for use on any JLG/Gradall Material Handlers.
• An overextended or overloaded handler can tip over with little or no warning and cause serious injury or death to the operator, platform occupants, and/ or those working near the handler.
• JLG/GRADALL cannot assure the ability of a non-approved attachment to perform its intended function safely.
• Non-approved attachments may cause structural or other damage to the handler. Such damage could cause dangerous operating conditions resulting in serious injury or death.
Attachment Operation
Operate a handler equipped with the personnel work platform as a partially­loaded handler. Pay special attention to capacity and range limits for the handler/ platform combination in use.
Practice operation of handler and personnel work platform in a safe, open area, not hazardous to yourself, platform occupant(s), equipment or property. Become thoroughly familiar with response of handler and attachment to controls before operating in a work situation.
Perform all “Checks Before Operating Platform” as identified on page P6.0.
WARNING
!
Never use an attachment without the appropriate, JLG/GRADALL supplied capacity chart for that particular attachment installed on the handler.
Form No. 20140, Issued 3/03
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P5.0
WARNING
!
WARNING
!
WORK PLATFORM INSTALLATION
This installation procedure is designed for one-man operation. If a helper is involved, shut off the engine before proceeding to steps 4, 5, and 6.
1. Retract Quick Switch™ (attachment tilt lever forward) to provide clear­ance. Check to be sure lock pin is secured in out position with retainer pin.
3. Engage Quick Switch™ (attachment tilt lever backward).
2. Align boom head pivot with recess in attachment. Raise boom slightly to engage boom head pivot in recess.
Always be certain that work platform is properly positioned on boom head and is secured by lock pin and retainer pin. Failure to ensure proper installation could permit attachment to disengage and cause serious injury or death.
4. Remove retainer pin and slide lock pin in fully.
P5.1
5. Secure lock pin in locked position using retainer pin.
6. Swing saddles down and pin in place.
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WORK PLATFORM INSTALLATION
NOTE!
When hooking up the Transformer Series platform, the hydraulic hoses are run through the Quick Switch™. Pull these hoses and electrical cables back to prevent pinching when attaching and hooking up hydraulic hoses to the front of the boom.
7. Always turn off the machine before performing the next several steps.
9. Attach the electric harness lines as shown to the front of boom.
8. Press the decompression valve located in cab, this takes the pressure out of the auxiliary hydraulic lines located on boom head.
10. Attach the hydraulic lines to the side of boom as shown.
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This machine has been equipped with a serial number specific Transformer Series
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Personnel Work Platform. Do not exchange transformer platforms between
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machines. Doing so will require calibration changes to the controller that must be
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performed by a qualified service technician. This platform assembly is designed
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soley for use with the
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Transformer Model Machines only.
Important Notice !
P5.2

CHECKS BEFORE OPERATING

WARNING
!
WARNING
!
WARNING
!
WARNING
!
Be sure to service the Material Handler in accordance with the “Lubrication and Routine Maintenance” schedule, located in the TF6­42 Owner/Operator Manual.
These checks and services are to be performed in addition to those specified in the Owner/Operator Manual for the material handler. Prior to using the material handler with the JLG/Gradall personnel work platform attached, perform the following checks:
Do not use the platform until it is properly secured to the Quick Switch™. See attachment installation procedures on page P5.1 & P5.2.
Inspect all platform and handler structural members for signs of damage. Do not use the platform or handler if damage is found.
If structural damage is found or the Quick Switch™ is not properly engaging, do not use the material handler or platform until the proper repairs have been made.
Inspect all warning and instructional decals to ensure they are legible and clean. Replace as necessary.
Inspect access gate hinges and latch for proper operation, damage and security. Do not use the platform if damaged or if latch is inoperable.
Check the condition of the boom extend cables/chains, boom hoses, and their anchor points. If they are found to be out of adjustment, badly worn, damaged, or not anchored properly, perform necessary boom maintenance before using machine.
Check to ensure the tires are properly inflated and surface can support the machine.
Check jobsite and weather conditions. Do not lift personnel during thunderstorms, strong winds or other inclement weather.
Check work area for overhead hazards such as electric conductors, bridge cranes, and other potential hazards.
Identify the lanyard anchorage point(s) and securely attach lanyard of an approved fall protection device. Attach only one lanyard per anchorage point.
Check platform and control console for damage, loose or missing parts, and security.
Before use of the boom/platform, the operator shall check for overhead obstructions and electrical conductors. Serious injury or death could result.
Use extreme caution when checking items beyond your normal reach. Use an approved safety ladder.
P6.0
Check control switches, levers and electrical connections for tightness and evidence of corrosion, and wiring for defects and chafing damage. Assure that switches function properly.
Check footswitch for damage, loose or missing parts and security. Assure that footswitch functions properly, is not modified, disabled or blocked.
Make sure the material handler is equipped with the proper capacity chart.
Before operating handler, complete all required maintenance. Replace or repair all damaged, worn or missing components before start­ing or operating handler. Failure to properly maintain handler could cause serious injury or death.
PRE-START & FUNCTION CHECKS
To be performed at beginning of each work shift or at each change of operator.
The safety, efficiency and service life of your handler will be increased by performing the operational checks listed below.
Before entering the platform, be sure to complete all necessary warm­up and operational checks outlined in the Operators Manual supplied with the TF6-42.
Also, complete the following pre-start inspection and function checks before use or each time the operator changes.
PRE-START INSPECTION
1. Cleanliness - Check all surfaces for leakage (oil, fuel, or battery fluid) or
foreign objects. Report any leakage to the proper maintenance personnel.
2. Decals & Placards - Check all decals and placards for cleanliness and legibility. Make sure none of the decals and placards are missing. Make sure all illegible decals and placards are cleaned or replaced.
3. Operators and Safety Manuals - Make sure a copy of the Transformer Series Work Platform Operator Manual, the EMI Aerial Platform Safety Manual, and ANSI Manual of Responsibilities is enclosed in the manual storage box.
4. “Walk-Around” Inspection - See pages P6.2 and P6.3 for the walk­around inspection procedure. Report any differences to the proper maintenance personnel.
5. Fuel - Ensure that fuel reservoir level is adequate. Add proper fuel as necessary.
6. Hydraulic Oil - Check the hydraulic oil level. Report low levels to the proper maintenance personnel. Add hydraulic oil as required.
7. Function Check - Once the “Walk-Around” Inspection is complete, perform a functional check of all systems in an area free of overhead and ground level obstructions.
WARNING
!
If any function or system does not operate properly, cease operation immediately! Report the problem to proper maintenance personnel. Do not operate machine until it is in a safe and proper operating condition.
WARNING
!
Check all tires and rims periodically for damage due to impact. Replace before use if damage is detected.
FUNCTION CHECK
1. From the cab with no load in platform: a. Operate all functions and observe for proper operation.
b. Check for proper operation of auxiliary power (manual descent) shown
on page 3.2 in the TF6-42 Operator Manual.
c. Ensure that all machine functions are disabled when the Emergency
Stop Button is activated.
d. Perform axle locking test shown on pages P7.0 & P7.1.
2. From the platform control console: a. Operate all functions and observe for proper operation.
b. Check all variable speed control switches for proper operation.
c. Check for proper operation of auxiliary power (manual descent).
d. Perform axle locking test shown on pages P7.0 & P7.1.
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P6.1
WALK-AROUND INSPECTION
WARNING
!
To be performed at beginning of each work shift or at each change of operator.
Begin your walk-around inspection at item 1, as noted below. Continue to your right (counterclockwise when viewed from top) checking each item in sequence for the conditions listed in the following checklist.
1. Work Platform Assembly - No loose or missing parts; no visible damage. Platform is properly positioned on boom head and is secured by lock pin and retainer pin. Saddles are swung down and pinned in place. Footswitch in good working order; not modified, disabled or blocked.
2. Platform Control Console - No loose or missing parts; no visible damage; placards and decals secure and legible. Control lever and switches return to neutral, control lever lock functions properly; emergency stop switch functions properly.
3. Rotating Cylinders - No visible damage; cylinder pins secure; hydraulic hoses undamaged, not leaking.
4. Boom Sections/Lift, Tilt, Crowd, Compensating Cylinders - Check front, top, side, & rear slider pads for adequate grease. No visible damage; pivot pins secure; hydraulic hoses undamaged, not leaking. Check extend/ retract chains and adjustment blocks for adequate tension.
5. Front Axle - No loose or missing parts; steer cylinders undamaged, not leaking; pivot pins secure; hydraulic hoses undamaged, not leaking.
6. Wheel/Tire Assembly - Left Front; no loose or missing wheel bolts; no visible damage; proper inflation.
7. Remote Brake Valve - Check for leaks, loose wires, etc.
8. Cab & Electrical - Check window glass is in place and clean; guages,
switches, joysticks, foot controls & horn operational; no visible damage. General appearance; no visible damage; load charts and applicable Operators & Safety manuals located in manual holder. Check decompression valve; operational and functioning properly.
9. Fuel Tank - Check fluid level, refill as required; no visible damage or leakage; filler cap is securely fastened.
10. Air Cleaner - Air cleaner element condition indicator, check for clogged condition. Replace element as required.
11. Main Control Valve - Check for loose connections; no visible damage or leakage.
12. Wheel/Tire Assembly - Left Rear; no loose or missing wheel bolts; no visible damage; proper inflation.
13. Pilot Control Valve - Check for loose connections; no visible damage or leakage.
14. Back-up Alarm - No loose connections; properly secured.
15. Stabilizer Cylinder - No visible damage; cylinder pins secure; hydraulic
hoses undamaged, not leaking.
16. Rear Axle - No loose or missing parts; steer cylinders undamaged, not leaking; pivot pins secure; hydraulic hoses undamaged, not leaking.
17. Wheel/Tire Assembly - Right Rear; no loose or missing wheel bolts; no visible damage; proper inflation.
18. Engine Compartment - Engine Crankcase, check level & refill as required; radiator fill cap, check level & refill as required; Drive belts, check condition & replace as required; Hydraulic pump & reservoir, recommended fluid level on sight gauges (lubricant must be cool), breather cap secure and working; Battery, check electrolyte level, cables tight, no visible damage or corrosion; Engine cover properly secured and latched.
19. Wheel/Tire Assembly - Right Front; no loose or missing wheel bolts; no visible damage; proper inflation.
20. Double Pilot Check Valve - Check for loose connections; no visible damage or leakage.
21. Work Platform Gate - Latch and hinges in working condition; properly secured; no loose or missing parts.
To avoid injury, do not operate machine until all malfunctions have been corrected. Use of a malfunctioning machine is a safety violation.
To avoid possible injury, be sure machine power is off during “walk­around” inspection.
NOTE!
Do not overlook visual inspection of chassis underside. Checking this area may result in discovery of conditions which could prevent extensive machine damage.
P6.2
WALK-AROUND INSPECTION
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10
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8
7
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21
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20
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5
4
3
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P6.3

DAILY REAR AXLE LOCK-OUT TEST PROCEDURE

WARNING
!
WARNING
!
TESTING REAR AXLE LOCKING SYSTEM (perform daily test)
The TF6-42 is equipped with a rear axle locking system for use while in work platform mode. In this mode, when the boom is raised above 50 degrees, a cylinder at the rear will lock, preventing oscillation of the rear axle. With the boom below this angle the cylinder will allow the rear axle to oscillate freely.
When the machine is in material handler mode, the rear axle cannot be locked, the rear axle will always oscillate freely.
After attaching the work platform and connecting the electrical cables, the work platform mode should be checked to ensure proper operation of the rear axle stabilization locking system.
Checking the rear axle locking system in work platform mode
Perform the following check from the work platform. No material, equipment, or personnel other than the operator should be on the platform during the performance of this test. This test will require the use of an assistant on the ground.
1.) Position Control Station Selector Key switch to Platform.
2.) Start the machine from the platform. Raise the boom to approximately zero degrees (horizontal) boom angle.
3.) Locate an eight inch curb, and drive the machine’s left front wheel up on the curb, leaving all other wheels off the curb.
4.) Level the machine by operating the Sway function. No wheel should leave the ground.
5.) Back the left front wheel off the curb. Again, no wheel should leave the ground.
6.) Drive the left front wheel back up on the curb, and release the drive controller. Use the sway function to level the machine.
7.) While keeping clear of the rear wheels, have an assistant check that the red LED on the proximity switch at the right rear of the machine is “glowing”. Have the assistant disconnect the proximity switch from the wire harness. The red LED should be “OFF” (see figure 7-1).
Should the machine fail any part of this check, immediately discontinue the checking process. Do not use the machine. Place a “DO NOT OPERATE” tag on the machine, and have it repaired.
Do not raise boom above 5 degrees for steps 1 through 9 of this check.
P7.0
8.) Back the left front wheel off the curb. The rear axle should be locked and one wheel should be off the ground. Set the park brake.
9.) Again, staying clear of wheels, have the assistant reconnect the proximity switch to the wire harness. The raised wheel should immediately return to the ground.
10.) If the machine has passed all of these checks, place the machine on level ground, set the park brake and raise the boom above 50 degrees.
11.) Have the assistant check that the red LED on the proximity switch at the right rear of the machine is “OFF”.
Proximity Switch
Figure 7-1
DAILY REAR AXLE LOCK-OUT TEST PROCEDURE
Checking the rear axle locking system in material handler mode
Perform the following check from the cab. Disconnect the electrical cables and remove the work platform. Do not engage a load before performing this check. This test will require the use of an assistant.
1.) Position Control Station selector Key switch to Cab (see page 3.0 in the TF6-42 Operator Manual).
2.) Start the machine from the cab. Raise the boom to approximately zero degrees (horizontal) boom angle.
3.) Locate an eight inch curb, and drive the machine’s left front wheel up on the curb, leaving all other wheels off the curb.
4.) Level the machine by operating the Sway function. No wheel should leave the ground.
5.) Back the left front wheel off the curb. Again, no wheel should leave the ground.
6.) Drive the left front wheel back up on the curb, and use the sway function to level the machine. Set the park brake (shown on page 3.0 in the TF6-42 Operator Manual).
7.) Have an assistant check that the red LED on the proximity switch at the right rear of the machine is “OFF”. Have the assistant disconnect the proximity switch from the wire harness (keeping clear of the rear wheels). The red LED should remain “OFF”.
WARNING
!
Do not perform this check without attachment properly attached to the material handler.
8.) Back the left front wheel off the curb. Again, no wheel should leave the ground.
9.) Again, staying clear of wheels, have the assistant reconnect the proximity switch to the wire harness. No movement of the machine should be noticed.
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P7.1
PLATFORM CONTROLS AND INDICATORS
4
4
Controls and Indicators
This machine is equipped with a work platform. The intended purpose is to position personnel with their tools and supplies at positions above ground level, and can be used to reach work areas located above machinery or equipment.
The platform has an operator Control Station. From this control station, the operator can drive and steer the machine in both forward and reverse directions. The operator can raise or lower the boom or rotate the platform left or right.
The lift is not intended to be used to lift material other than supplies which personnel in the platform require to do their job. Supplies or tools which extend outside the platform are prohibited unless written approval has been obtained through JLG/Gradall. It must not be used as a forklift, crane, support for overhead structure, or to push or pull another object.
The speeds of boom functions are variable from zero to maximum speed depending upon the position of the function speed control. Functions controlled by toggle switches are either on or off. A foot operated switch in the platform must be depressed before any controls will function and provides a means of emergency stop when the operators foot is removed from the footswitch.
The unrestricted capacity of the lift is 500 lbs. (230 kg). This means that with a platform load of 500 lbs. (230 kg) or less, the platform may be positioned anywhere the boom will reach, with the machine level and on a smooth, firm, and level surface and tires properly inflated.
STEER
SELECT
Boom Up
Boom
In
INDICATOR
PLATFORM
LEVELING OVERRIDE
Boom Down
TILT
Boom
Out
CREEP
INDICATOR
HORN
CAPACITY
INDICATOR
EMERGENCY
POWER/
STOP
ENABLE
INDICATOR
ENGINE
START/
AUX POWER
LIGHTS
23
23
BOOM CONTROL
JOYSTICK
P8.0
FUNCTION
SPEED
PLATFORM
ROTATE
SWAY
DRIVE/
STEER
PLATFORM CONTROLS AND INDICATORS
Boom Control Joystick:
An infinitely proportional dual axis joystick is provided for lifting, lowering, boom extend, and boom retract. Lift detent ring up and push forward to lift, lift detent ring up and pull backward to lower. Lift detent ring up and move joystick left to extend boom, lift detent ring up and move joystick right to retract boom.
Capacity Indicator:
Three lights are used to indicate the maximum platform capacity for the position of the platform. The range decal located below the control console indicates the capacities and approximate ranges.
Creep Speed Indicator:
Illuminated (green) when the Function Speed Control is turned to the creep position, the indicator acts as a reminder that all functions are set to the slowest speed. This indicator also illuminates when the boom angle exceeds 11°.
Drive/Steer:
Controls drive and steering. Lift detent ring up and push forward to drive forward (rear of chassis), lift detent ring up and pull back to drive in reverse. Steering is accomplished via a thumb-activated rocker switch on the end of the handle. Push on the left side of the switch to steer left, on right side to steer right.
Enable Indicator:
This green illuminator indicates that the footswitch is depressed and the platform controls are ready for use. To enable the controls, depress the footswitch and select any function within seven seconds. The controls will then remain active as long as there is not a delay of seven seconds between stopping one function and starting the next one. If the seven second interval is exceeded, the enable light will go out and the controls will not operate. To enable the controls again, return controls to neutral, remove your foot from the footswitch and depress the footswitch.
NOTE!
When operating from the work platform, the boom pivot and counterweight are considered the front of the machine.
REAR
RIGHT
LEFT
FRONT
Engine Distress Indicator Light (Yellow):
The light turns on and an alarm sounds when machine’s power system requires immediate service. Any of the following conditions will turn on light and alarm: low engine oil pressure, high engine coolant temperature, clogged engine air filter, low alternator output, clogged hydraulic oil return filter, or clogged charge pump filter.
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P8.1
WARNING
!
WARNING
!
CAUTION
!
PLATFORM CONTROLS AND INDICATORS
Engine Start/Auxiliary Power:
Engine Start
Push “UP” on Engine Start/Auxiliary Power switch to start engine. If engine fails to start within 20 seconds, release Engine Start/Auxiliary Power switch and allow starting motor to cool for a few minutes before trying again. For engine starting, the footswitch must be in the released (up) position.
Auxiliary Power
A toggle-type Engine Start/Auxiliary Power control switch energizes the electrically operated hydraulic pump, when actuated. (Switch must be held “DOWN” for duration of auxiliary pump use.) The auxiliary pump functions to provide sufficient oil flow to operate the basic machine functions should the main pump or engine fail. The auxiliary pump will operate boom lift, telescope and rotate. It should be noted that the functions will operate at a slower than normal rate.
Auxiliary power is primarily intended for platform lowering in the event of primary power failure. However, auxiliary power may be used for platform positioning when operating in close quarters in the following sequence:
1. Position CONTROL STATION SELECT switch to PLATFORM.
2. Position POWER/EMERGENCY STOP switch to ON.
3. Depress and hold footswitch.
4. Position AUXILIARY POWER switch to ON and hold.
5. Operate appropriate control switch or lever for desired function and hold.
6. Release AUXILIARY POWER switch, selected control switch or lever, and footswitch.
7. Position POWER/EMERGENCY STOP switch to OFF.
Footswitch:
This feature makes it necessary to depress the footswitch to allow operation of the platform controls.
Function Speed:
To avoid serious injury, do not remove, modify or disable the footswitch by blocking or any other means.
NOTE!
The main function of auxiliary power is to lower the platform in the event of primary power failure.
NOTE!
Footswitch must be depressed prior to activating any function control, otherwise the function will not operate.
Footswitch must be adjusted so that functions will operate when pedal is approximately at its center of travel. If switch operates within last 1/4” of travel, top or bottom, it should be adjusted.
P8.2
The knob provides variable speed control of all boom functions grouped together to the right of the knob. For smoothest operation of these functions, use two hands: rotate the knob counterclockwise to the slowest position, select the function switch, and while holding the switch on, rotate the knob to the desired speed. To achieve a smooth stop, rotate the knob counterclockwise to a slow speed prior to letting go of the function switch. Rotating the knob fully counterclockwise until a click is heard puts all controls, including drive, main lift, and swing into “creep” speed. This slow speed is used for fine positioning of the platform when close to obstacles. A snail symbol is used to indicate “creep” speed and is shown at the Function Speed knob as well as near the proportional controllers to act as a reminder.
Horn:
A push-type HORN switch activates an audible warning device when pressed.
Lights Indicator:
Illuminated when lights are turned on.
NOTE!
When the boom is raised approximately 7 degrees above horizontal, the high drive function will automatically switch to low drive. This also occurs when Function Speed Control is set to creep.
To avoid serious injury, do not operate machine if any control levers or toggle switches controlling platform movement do not return to the off position when released.
PLATFORM CONTROLS AND INDICATORS
Low Fuel Indicator:
When illuminated the fuel tank is 1/8 full or less. When the light first turns on, there are approximately four usable gallons of fuel remaining.
Platform Leveling Override:
The PLATFORM LEVEL control switch allows the operator to adjust the level of the platform by positioning the switch to UP or DOWN.
Platform Rotate:
The PLATFORM ROTATE control switch allows the operator to rotate the basket to the left or right when positioned to the desired direction.
Power/Emergency Stop Switch:
An ON-OFF POWER/EMERGENCY STOP switch and a separate ENGINE START/ AUXILIARY POWER toggle switch on the platform console supply electrical power to the starter solenoid, when the power/emergency stop switch is pulled out to the “ON” position and the ENGINE START switch is pushed forward. Push in to shut off engine and remove power from the controls. The power/emergency stop switch must be pulled out in the cab to operate either from the cab or platform control. This allows the machine to be shut down in emergency situations.
Steer Select:
The center switch position gives conventional front wheel steering with the rear wheels unaffected. This is the best position for driving at maximum speeds. The forward position is for “crab” steering. When in this mode both front and rear axles steer in the same direction, which allows the chassis to move sideways. This can be used for positioning the machine in aisle ways or against buildings. The back switch position is for “coordinated” steering. In this mode the front and rear axles steer in the opposite directions to produce the tightest turning circle for maneuvering in confined areas. If the steer select switch located in the cab is not set to front wheel steer, the platform steer select switch will not change the steering mode.
Sway Control Switch:
The sway control switch allows the operator to level the machine. Operator must position machine and level prior to raising work platform.
Tilt Alarm Warning Light:
This orange illuminator indicates that the chassis is on a slope (over 5 degrees). If illuminated when boom is raised or extended, retract and lower to below horizontal then reposition machine so that it is level before extending boom or raising boom above horizontal. If the boom is above horizontal and the machine is on a 5 degree slope, an alarm will sound and CREEP mode is automatically activated.
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P8.3

PLATFORM OPERATION

WARNING
!
Control Station Selector Switch
The Control Station Selector switch functions to direct power to the desired control station when the POWER/EMERGENCY STOP switch is pulled out (on). With the switch rotated to the CAB position power is supplied to the cab control station. When the switch is rotated to the PLATFORM position, power is supplied to the platform control station.
Loading Platform from Ground Level
1. Position chassis on a smooth, firm and level surface.
2. If total load (personnel, tools and supplies) is 500 lbs. (230 kg) or less, distribute load uniformly on platform floor and proceed to work position.
Loading from Positions Above Ground Level
1. Determine what the total weight will be after additional weight is loaded (personnel, tools and supplies).
2. If total weight in platform will be 500 lbs. (230 kg) or less, proceed with adding weight.
Machine Function Speeds
The Function Speed Control affects the speed of boom functions Lift, Telescope, and Rotate. Turn the control clockwise to increase function speed or counter­clockwise to decrease function speed. When in counterclockwise maximum position, Drive is placed in creep speed.
NOTE!
Footswitch must be depressed prior to activating any function, otherwise function will not operate.
NOTE!
Always position Emergency Stop switch to the “off” position (pushed in) when machine is not in use.
Platform Level Adjustment
To level up, depress footswitch, position PLATFORM/LEVEL control switch up and hold until platform is level.
To level down, depress footswitch, position PLATFORM/LEVEL control switch to down and hold until platform is level.
Platform Rotation
To rotate platform to the left, depress footswitch. PLATFORM ROTATE control switch is positioned to the left and held until desired position is reached.
To rotate platform to the right, depress footswitch. PLATFORM ROTATE control switch is positioned to the right and held until desired position is reached.
Power/Emergency Stop
This red, mushroom-shaped switch provides battery power to the CONTROL STATION SELECTOR switch, when pulled out (on), for all machine functions. The switch should be pushed in (off) when parking the machine overnight.
Raising and Lowering the Boom
Depress footswitch lift detent ring and position boom control joystick forward to lift boom up or rearward to lower boom until desired height is reached.
Do not drive with boom above horizontal except on a smooth, firm and level surface.
Do not drive on sideslopes which exceed 5 degrees.
Use extreme caution when driving in reverse and at all times when driving with platform elevated and when driving with any part of machine within 6 feet of any obstruction.
P9.0
PLATFORM OPERATION
Steering
Depress footswitch, position thumb switch on Drive/Steer controller to right for steering right, or to left for steering left.
Traveling (driving)
1. If machine is shut down, pull out Emergency Stop at Cab Controls and place Control Station Selector switch to Platform.
2. At Platform Controls, pull out Emergency Stop switch and start engine.
3. Position Drive controller to Forward or Reverse as desired. Angle of controller will determine travel speed.
In AWP Mode: Maximum travel speed is 3.5 MPH with boom retracted and lowered (travel position).
When boom is extended approximately 3.5 ft. and/or raised above 7°, the machine will slow to Creep Mode (.5 MPH).
When in Creep Mode and returning boom to travel position, the travel control must be returned to neutral and re-activated to increase speed above .5 MPH.
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P9.1

EMERGENCY PROCEDURES

WARNING
!
WARNING
!
DO NOT ALLOW PERSONNEL TO TAMPER WITH OR OPERATE THE MACHINE FROM THE CAB WITH PERSONNEL IN THE PLATFORM EQUIPPED WITH CONTROLS, EXCEPT IN AN EMERGENCY.
Auxiliary Power
A toggle type auxiliary power control switch is located on the platform control station and another is located in the operators cab. Operation of either switch turns on the electrically driven auxiliary hydraulic pump. This should be used in case of failure of the main power plant. The auxiliary pump will operate any boom function.
To activate auxiliary power from platform:
1. Depress and hold footswitch.
2. Position AUXILIARY POWER switch to ON and hold.
3. Operate appropriate control switch, lever or controller for desired function and hold.
4. Release AUXILIARY POWER switch, select control switch, lever or controller, and footswitch.
5. Position POWER/EMERGENCY STOP switch to OFF.
To activate auxiliary power from the cab control station:
1. Position CONTROL STATION SELECTOR switch to CAB.
2. Position POWER/EMERGENCY STOP switch to ON.
3. Position AUXILIARY POWER switch to ON and hold.
4. Operate appropriate control switch or controller for desired function and hold.
5. Release AUXILIARY POWER switch, and appropriate control switch or controller.
6. Position POWER/EMERGENCY STOP switch to OFF.
Operator Unable to Control Machine
If the platform operator is pinned, trapped or unable to operate or control the machine:
1. Operate the machine from cab controls ONLY with the assistance of other personnel and equipment (cranes, overhead hoists, etc.) as may be required to safely remove the danger or emergency condition.
2. Other qualified personnel on the platform may use the platform controls with regular or auxiliary power. DO NOT CONTINUE OPERATION IF CONTROLS DO NOT FUNCTION NORMALLY.
3. Cranes, forklift trucks or other equipment which may be available are to be used to remove platform occupants and stabilize motion of the machine in case machine controls are inadequate or malfunction when used.
The platform must be completely empty. Never allow personnel in platform while towing, lifting, or hauling.
In emergency situations, operator must retract boom before lowering. Failure to retract boom could cause machine to tip over resulting in injury or death.
Platform or Boom Caught Overhead
If the platform or boom becomes jammed or snagged in overhead structures or equipment, do not continue operation of the machine from either the platform or the ground until the operator and all personnel are safely moved to a secure location. Only then should an attempt be made to free the platform using any necessary equipment and personnel. Do not operate controls to cause one or more wheels to leave the ground.
Post Incident Inspection and Repair
Following any incident, thoroughly inspect the machine and test all functions first from the cab controls, then from the platform controls. Do not lift above 10 feet (3 m) until you are sure that all damage has been repaired, if required, and that all controls are operating correctly.
P10.0

HAND SIGNALS

Standard Signals - When handler work conditions require hand signals, they shall be provided or posted conspicuously
for the use of both signalman and operator. No handler motions shall be made unless signals are clearly understood by both signalman and operator.
Special Signals - When signals for auxiliary equipment functions or conditions not covered are required,
they shall be agreed upon in advance by the operator and signalman.
Instructions - When it is desired to give instructions
system, all handler motions shall
EMERGENCY STOP - With both arms extended laterally, hands open downward, move arms back and forth.
EXTEND TELESCOPIC BOOM - With both hands clenched, point thumbs outward.
STOP - With either arm extended laterally, hand open downward, move arm back and forth.
RETRACT TELESCOPIC BOOM - With both hands clenched, point thumbs inward.
first be stopped.
to the operator other than provided by the
RAISE BOOM - With either arm ex­tended horizontally, fingers closed, point thumb upward.
MOVE SLOWLY - Place one hand motionless in front of hand giving motion signal. (Raise load slowly is shown)
LOWER BOOM - With either arm extended horizontally, fingers closed, point thumb downward.
THIS FAR TO GO - With hands raised and open inward, move hands laterally, indicating distance to go.
established signal
STOP ENGINE - Draw thumb or forefinger across throat.
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Form No. 20140, Issued 3/03
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Transformer Series Work Platform Manual
406 Mill Ave. SW, New Philadelphia, Ohio USA 44663
Phone (330) 339-2211 Fax (330) 339-8468
http://www.gradall.com
Printed in USA
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