Snorkel TB85J User Manual

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0112567
Part Number 0112477 February 2001 – Revised October, 2005
Page 2
The aerial platform is not electrically insulated. Death or serious injury will result from con­tact with, or inadequate clearance from, an energized conductor.
Do not go closer than the minimum safe approach distance as defined by the Minimum Safe Approach Distance section in Chapter 3–Safety.
Regard all conductors as energized.
Allow for electrical wire sag and aerial platform sway.
If the platform, booms, or any part of the aerial platform contacts a high-voltage electrical conductor, the entire machine can become electrically charged.
If that happens, remain on the machine and do not contact any other structure or object. This includes the ground, adjacent buildings, poles, and any other objects that are not part of the aerial platform.
Such contact could make your body a conductor to the other object, creating an electrical shock hazard resulting in death or serious injury.
If an aerial platform is in contact with an energized conductor the platform operator must warn ground personnel in the vicinity to stay away. Their bodies can conduct electricity creating an electrical shock hazard resulting in death or serious injury.
Do not approach or leave the aerial platform until the electricity has been turned off.
Do not attempt to operate the lower controls when the platform, booms, or any part of the aerial platform is in contact with a high-voltage electrical conductor or if there is an immediate danger of such contact.
Personnel on or near an aerial platform must be continuously aware of electrical hazards, recognizing that death or serious injury can result from contact with an energized conductor.
California
Proposition 65 Warning
Battery posts, terminals, and related accessories con­tain lead and lead components, chemical known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.
California
Proposition 65 Warning
Diesel and gasoline engine exhaust and some of its constituents are known by the State of California to cause cancer, birth defects or other reproductive harm.
Page 3
Table of Contents
Chapter 1 – Introduction
Aerial Platform Features ............................................. 1
Options ...................................................................... 1
Operator’s Manual ...................................................... 1
Safety Alerts .............................................................. 1
Operation ................................................................... 2
Maintenance .............................................................. 2
Manual of Responsibilities .......................................... 2
Additional Information ................................................. 2
Chapter 2 – Specifications
Component Identification – TB80 ................................ 3
Component Identification – TB85J .............................. 4
Working Envelope – TB80 .......................................... 5
Working Envelope – TB85J ......................................... 6
General Specifications – TB80.................................... 7
General Specifications – TB85J .................................. 8
Engine Specifications ................................................. 9
Engine Oil Viscosity................................................. 11
Chapter 3 – Safety
Electrocution Hazards .............................................. 15
Minimum Safe Approach Distance ............................ 15
Prestart Inspection ................................................... 16
Work Place Inspection and Practices ....................... 16
Operation ................................................................. 16
Tip-Over and Falling Hazards .................................... 16
Electrical System ..................................................... 17
Hydraulic System ..................................................... 17
Engine and Fuel Handling Precautions ..................... 17
Placards and Decals ................................................ 18
Chapter 4 – Safety Devices
Emergency Stop Controls ........................................ 19
Emergency Power System ....................................... 19
Emergency Lowering Knob ....................................... 19
Axle/Boom Interlock ................................................. 20
Ground Operation Switch ......................................... 20
Platform Foot Switch ................................................ 20
Guardrails ................................................................ 20
Lanyard Anchors ...................................................... 20
Ground Fault Circuit Interrupter ................................ 20
Tilt Alarm .................................................................. 21
Engine Protection Systems ...................................... 21
High Engine Temperature Alarm ............................ 21
Low Oil Pressure Alarm ........................................ 21
Horn ......................................................................... 21
Drive Motion Alarm ................................................... 21
Flashing Light .......................................................... 22
Driving Lights............................................................ 22
Platform Work Lights ............................................... 22
Chapter 5 – Gauges and Displays
Hour Meter ............................................................... 23
Engine Temperature Gauge ...................................... 23
Ammeter .................................................................. 23
Engine Air Filter Gauge ............................................ 23
Fuel ......................................................................... 23
Engine Oil ................................................................ 24
Hydraulic Fluid Filter Gauge ..................................... 24
Fluid Level and Temperature Gauge .......................... 24
Chapter 6 – Controls
Battery Disconnect Switch ....................................... 25
Axle Controls ........................................................... 25
High Range Speed Selector – 4x4 ............................ 25
Lower Controls ......................................................... 25
Start Switch .......................................................... 26
Emergency Stop Button ........................................ 26
Controls Selector Switch ...................................... 26
Ground Operation Switch ...................................... 26
Boom/Axle Switch ................................................ 26
Rotation Switch .................................................... 26
Boom Elevation Switch ......................................... 26
Boom Extension Switch ....................................... 26
Boom Speed Knob ................................................ 26
Jib Articulation Switch – TB85J Only ..................... 26
Platform Level Switch ............................................ 26
Platform Rotate Switch ......................................... 27
Engine/Emergency Power Switch ......................... 27
Engine Speed Switch ............................................ 27
Fuel Switch ........................................................... 27
Ether Injection Switch – Cummins Only ................ 27
Manifold Air Inlet Heater – Deutz Only ................... 27
Hydraulic System Warm-up Switch ...................... 27
Circuit Breaker Reset Buttons .................................. 27
Upper Controls ......................................................... 28
Start Switch .......................................................... 28
Emergency Stop Button ........................................ 29
Boom Joystick ...................................................... 29
Drive Joystick ....................................................... 29
Drive Range Switch ............................................... 29
Jib Articulation Switch – TB85J Only ..................... 29
Platform Level Switch ............................................ 29
Platform Rotate Switch ......................................... 29
Boom Extend/Retract Joystick ............................. 29
Engine/Emergency Power Switch ......................... 29
Throttle Switch ...................................................... 29
Horn Button .......................................................... 30
Platform Foot Switch ............................................ 30
Machine/Generator Switch ....................................... 30
Dual Fuel ................................................................. 30
Driving and Platform Work Lights.............................. 30
TB80/TB85J – 0112477
Page 4
Table of Contents
Chapter 7 – Prestart Inspection
Operator’s Manual .................................................... 31
Engine ..................................................................... 31
Oil Level ................................................................ 31
Coolant ................................................................. 31
Radiator ................................................................ 31
Fuel Tank.............................................................. 32
Fuel Line............................................................... 32
Air Filter ................................................................ 32
Charging System .................................................. 32
Cold Weather Start Kit—Block Heater .................. 33
Electrical System ..................................................... 33
Emergency Power Battery .................................... 33
Battery Fluid Level ................................................ 33
Battery Terminals.................................................. 33
Cables and Wiring Harness ...................................... 33
Hydraulic System ..................................................... 33
Fluid Level ............................................................ 33
Fluid Filter ............................................................ 34
Hoses, Tubes, and Fittings ................................... 34
Tires and Wheels ..................................................... 34
Axle/Boom Interlock ................................................. 34
Lower Control Station ............................................... 35
Operating Controls ................................................ 35
Emergency Stop ................................................... 36
Emergency Power ................................................ 36
Emergency Lowering ................................................ 36
Level Sensor ............................................................ 36
Flashing Light .......................................................... 37
Sandblast Protection Kit .......................................... 37
Structures ................................................................ 37
Weldments ........................................................... 37
Slide Pads ............................................................ 37
Wire Ropes ........................................................... 37
Fasteners ............................................................. 38
Upper Control Station ............................................... 38
Guardrail System .................................................. 38
Lanyard Anchors ................................................... 38
Operating Controls ................................................ 38
Emergency Stop ................................................... 39
Emergency Power ................................................ 39
Horn ..................................................................... 39
Electrical Power Outlet ......................................... 39
Drive Motion Alarm ................................................ 40
Driving and Work Lights ........................................ 40
Platform Control Cover .......................................... 40
Tow Kit ..................................................................... 40
Placards and Decals ................................................ 40
Prestart Inspection Checklist ................................... 46
Chapter 8 – Operation
Cold Weather Start-Up ............................................. 47
Engine Cold Weather Start Kit.................................. 47
Cummins, Ford, and Continental—Block Heater ... 47
Cummins — Ether Injection .................................. 47
Deutz — Manifold Preheater ................................. 48
Hydraulic System Cold Weather Warm-Up............... 48
Hydraulic System Warm-up Switch ...................... 48
Manually Warming The Hydraulic System ............ 48
Preparing for Operation............................................. 48
Lower Controls ......................................................... 48
Axle Controls ........................................................... 49
Extending The Rear Axles ..................................... 49
Retracting The Rear Axles .................................... 50
Upper Controls ......................................................... 50
Boom Operation .................................................... 51
Driving and Steering .............................................. 51
Drive Speeds......................................................... 52
Motion Warning Alarm .......................................... 52
Four Wheel Drive ...................................................... 52
High Range Speed Selector .................................. 52
Electrical Power Outlet............................................. 52
AC Generator ........................................................... 53
Dual Fuel ................................................................. 53
Air Line .................................................................... 53
Driving Lights............................................................ 54
Platform Work Lights ............................................... 54
Chapter 9 – Stowing and Transporting
Stowing .................................................................... 55
Tucked Stow – TB85J ........................................... 55
Transporting ............................................................. 56
Driving ................................................................... 56
Winching .............................................................. 56
Hoisting ................................................................ 57
Securing for Transport ........................................... 58
Chapter 10 – Emergency Operation
Emergency Power System ....................................... 59
Lower Controls ...................................................... 59
Upper Controls ...................................................... 59
Emergency Lowering ................................................ 60
Towing ...................................................................... 60
Chapter 11 – Troubleshooting
Troubleshooting Chart .............................................. 63
Appendix A – Glossary
Limited Warranty
TB80/TB85J – 0112477
Page 5
Chapter 1 – Introduction
Aerial Platform Features
The aerial platform is a boom-supported elevating work platform used to raise personnel, their tools, and mate­rial to the workstation. The booms are raised and low­ered with hydraulic cylinders. Hydraulic motors on the drive wheels provide power to move the aerial platform.
The standard machine includes the following features.
• Proportional drive control
• Two wheel drive
• Foam filled tires
• Extendable rear axles
• High engine temperature shut down
• Low oil pressure shut down
• Hour meter
• Ammeter
• Coolant temperature gauge
• Hydraulic oil level and temperature gauges
• Battery operated emergency power system
• Manual lowering valve
• Horn
• Tilt alarm
• 360 degree continuous turntable rotation
• 165 degree platform rotation
• Tie-down lugs
• Lifting lugs
• AC electrical outlet with GFCI at platform
• 5 foot steel 600 lb capacity platform
• Gravity gate
• Five year limited warranty
The machine may be powered with one of the following engines.
• Cummins B3.3 – Diesel
• Cummins 4B3.9 – Diesel
• Deutz F4L-2011F – Diesel
• Deutz F4L-1011F – Diesel
• Ford LRG 425 – Gasoline, LPG, or dual fuel
• Ford LRG 423 – Gasoline, LPG, or dual fuel
• Continental TM27 – Gasoline, LPG, or dual fuel
The aerial platform has been manufactured to conform to all applicable requirements of the following organizations.
• Occupational Safety and Health Administration (OSHA)
• American National Standards Institute (ANSI)
• Canadian Standards Association (CSA)
Options
The following options may be provided on the machine.
• Four wheel drive
• Road tread tires
• Drive motion alarm
• Dual fuel with 12 gallon gasoline tank
• Dual fuel with 20 gallon gasoline tank
• Flashing light
• Driving lights
• Platform work lights – flood or halogen
• Platform control cover
• Swinging platform gate
• 5 foot aluminum 650 lb capacity platform – TB80
• 8 foot steel 500 lb capacity platform
• 8 foot steel 500 lb capacity platform with full height swinging gate
• 8 foot aluminum 600 lb capacity platform
• 8 foot aluminum 600 lb capacity platform with secondary guardrails
• Sandblast protection kit
• Cold weather start kit
• Spark arrestor muffler – Deutz or Ford engines
• Tow kit
• Airline to platform
• AC generator – hydraulic powered, 110 V, 2000 W
• AC generator – hydraulic powered, 220 V
• AC generator – hydraulic powered, 220 V 3 phase, 12 kw
• Platform welder – 275 amp
Operator’s Manual
This manual provides information for safe and proper op­eration of the aerial platform. Some information in this manual refers to options that may or may not be on your machine. Read and understand the information in this Operator’s Manual before operating the aerial platform on the job.
Additional copies of this manual may be ordered from Snorkel. Supply the model and manual part number from the front cover to assure that the correct manual will be supplied.
All information in this manual is based on the latest prod­uct information at the time of publication. Snorkel reserves the right to make product changes at any time without obligation.
Safety Alerts
A safety alert symbol is used throughout this manual to indicate danger, warning, and caution instructions. Fol­low these instructions to reduce the likelihood of per­sonal injury and property damage. The terms danger, warning, and caution indicate varying degrees of personal injury or property damage that can result if the instruc­tion is not followed.
ADanger
Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. This signal word is to be used in the most extreme situations.
AWarning
Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
TB80/TB85J – 0112477 1
Page 6
Chapter 1 – Introduction
ACaution
Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate in­jury. It may also be used to alert against unsafe practices.
Notes Notes are used to provide special information or helpful hints to assist in aerial platform operation, but do not indicate a hazardous situation.
Operation
The aerial platform has built-in safety features and has been factory tested for compliance with Snorkel specifi­cations and industry standards. However, any personnel lifting aerial platform can be potentially dangerous in the hands of untrained or careless operators.
AWarning
The potential for an accident increases when the aerial platform is operated by personnel who are not trained and authorized. Death or serious injury can result from such accidents. Read and under­stand the information in this manual and on the plac­ards and decals on the machine before operating the aerial platform on the job.
Training is essential and must be performed by a quali­fied person. Become proficient in knowledge and actual operation before using the aerial platform on the job. You must be trained and authorized to perform any functions of the aerial platform. Operation of the aerial platform must be within the scope of the machine specifications.
Maintenance
Every person who maintains, inspects, tests, or repairs the aerial platform must be qualified to do so. Following the daily prestart inspection in this Operator’s Manual will help keep the aerial platform in optimum working con­dition. Other maintenance functions must be performed by maintenance personnel who are qualified to work on the aerial platform.
Do not modify this aerial platform without prior written consent of the Snorkel Engineering Department. Modifi­cation may void the warranty, adversely affect stability, or affect the operational characteristics of the aerial plat­form.
Manual of Responsibilities
All owners and users of the aerial platform must read, understand, and comply with all applicable regulations. Ultimate compliance to OSHA regulations is the respon­sibility of the user and their employer.
ANSI publications clearly identify the responsibilities of all personnel who may be involved with the aerial plat­form. A reprint of the “Manual of Responsibilities for Deal­ers, Owners, Users, Operators, Lessors and Lessees of ANSI/SIA A92.5-1992 Boom-Supported Elevating Work Platforms” is available from Snorkel dealers or from the factory upon request.
Copies are also available from:
Scaffold Industry Association, Inc. P. O. Box 20574 Phoenix, AZ 85036-0574 USA
The operator bears ultimate responsibility for following all manufacturer’s instructions and warnings, regulations and safety rules of their employer and/or any state or federal law.
Additional Information
For additional information contact your local dealer or Snorkel at:
Snorkel International P.O. Box 1160 St. Joseph, MO 64502-1160 USA 1-800-255-0317
http://www.snorkelusa.com
2 TB80/TB85J – 0112477
Page 7
Chapter 2 – Specifications
Component Identification – TB80
Upper Controls
LP Fuel Tank
Fuel Tank
Operator’s
Manual
Wiring Box
Lower
Controls
Engine
Hydraulic Fluid Tank
And Filter
Steer Wheels
Emergency
Lowering Valve
Battery Disconnect
Switch
Batteries
Drive Wheels
(Two Wheel Drive)
Drive Wheels
(Two Wheel Drive)
Right Side
Main Boom
Chassis
Tip Boom
Intermediate
Boom
Steer Wheels
Platform
Platform
Foot Switch
Left Side
TB80/TB85J – 0112477 3
Page 8
Chapter 2 – Specifications
Component Identification – TB85J
Upper Controls
LP Fuel Tank
Fuel Tank
Drive Wheels
(Two-Wheel Drive)
Right Side
Operator’s
Manual
Chassis
Wiring Box
Lower
Controls
Steer Wheels
Engine
Hydraulic Fluid Tank
And Filter
Steer Wheels
Emergency
Lowering Valve
Battery Disconnect
Switch
Batteries
Drive Wheels
(Two-Wheel Drive)
Main Boom
Left Side
Intermediate
Boom
Tip Boom
Platform
Jib
Platform
Foot Switch
4 TB80/TB85J – 0112477
Page 9
Working Envelope – TB80
Feet
(Meters)
90
(27.4)
80
(24.4)
70
(21.3)
60
(18.3)
Chapter 2 – Specifications
50
(15.2)
40
(12.2)
30
(9.1)
20
(6.1)
10
(3.0)
0
10
(3.0)
80
(24.4)
70
(21.3)
60
(18.3)
13½°
50
(15.2)
40
(12.2)
70°
30
(9.1)
20
(6.1)
10
(3.0)
0
10
(3.0)
20
(6.1)
TB80/TB85J – 0112477 5
Page 10
Chapter 2 – Specifications
Working Envelope – TB85J
Feet
(Meters)
90
(27.4)
80
(24.4)
70
(21.3)
60
(18.3)
50
(15.2)
40
(12.2)
30
(9.1)
20
(6.1)
10
(3.0)
0
10
(3.0)
13 ½°
20
(6.1)
80
(24.4)
6 TB80/TB85J – 0112477
70
(21.3)
60
(18.3)
50
(15.2)
40
(12.2)
30
(9.1)
20
(6.1)
10
(3.0)
0
10
(3.0)
Page 11
General Specifications – TB80
Chapter 2 – Specifications
Aerial Platform
Working height 86 (26.2 m) Maximum platform height 80 (24.4 m) Horizontal reach 71′ 11/2″ (21.7 m) Main boom Articulation -13.5° to +70° Extension 40 (12.1 m) approx. Turntable rotation 360° continuous Turning radius, inside Axles extended 17′ 5″ (5.3 m) Wheelbase 12 (3.6 m) Ground clearance 13 (33 cm) Maximum wheel load 15,400 lbs (6,985 kg) Maximum ground pressure 84 psi (5.9 kg/cm²) Weight, EVW Approximate 30,300 lbs (13,744 kg) Width Axles retracted 8′ 6″ (2.5 m) Axles extended 12′ 6″ (3.8 m) Stowed length 38 10 (11.8 m) Stowed height 9′ 7″ (2.9 m)
Platform
Dimensions Standard Steel 30 x 60 (76 cm x 152 cm) Optional Steel 30 x 92 (76 cm x 244 cm) Optional Aluminum 30 x 60 (76 cm x 152 cm) Optional Aluminum 30 x 92 (76 cm x 244 cm) Rated work load Steel 30 x 60 600 lb (272 kg) Steel 30 x 92 500 lb (227 kg) Aluminum 30 x 60 650 lb (294 kg) Aluminum 30 x 92 600 lb (272 kg) Rotation 170 degrees Maximum number of occupants 2 people Optional AC generator 110 V Optional AC generator 220 V Optional AC generator 220 V, 3-phase, 12 kw Optional Welder
Function Speed
Turntable rotation Booms retracted 90 to 100 seconds Booms extended 190 to 220 seconds Main boom Up Booms retracted 65 to 75 seconds Booms extended 100 to 120 seconds Down Booms retracted 60 to 70 seconds Booms extended 80 to 95 seconds Extend 80 to 90 seconds Retract 60 to 70 seconds Platform rotation 16 to 20 seconds Drive – four wheel drive High, booms stowed 3.0 mph (4.8 km/h) Mid 1.5 mph (2.4 km/h) Low, booms elevated 0.75 mph (1.2 km/h)
Drive – two wheel drive High 3.0 mph (4.8 km/h) Low 0.75 mph (1.2 km/h)
Drive System
Standard Two wheel drive Gradeability 25% Optional Four wheel drive Gradeability 30%
Tires
Foam filled 15 x 22.5 (38 cm x 50 cm), 16 ply
Electrical System
Voltage 12 V DC negative chassis ground Source Gas engine One -12 V 550 CCA battery Diesel engine Two - 12 V 550 CCA batteries Fluid recommended distilled water
Hydraulic System
Maximum pressure 2,800 psi (19,305 kPa) Reservoir capacity 40 US gal (151 l) System capacity 65 US gal (246 l) Maximum operating temperature 200°F (93°C) Hydraulic fluid recommended Above 10°F (-13°C) Mobil DTE-13M (ISO VG32) Below 10°F (-13°C) Mobil DTE-11M (ISO VG15)
Engine
Diesel Cummins B3.3
Deutz F4L-1011F Deutz F4L-2011F
Gasoline and/or LPG Ford VSG 413
Ford LRG 425
Continental TM27
Fuel Tank Capacity
Gasoline or diesel On side of turntable 40 US gal (151 l) On front of turntable, after 3-2000 54 US gal (204 l) LPG 43.5 lbs (19.7 kg) Dual fuel gasoline On front of turntable 54 US gal (204 l)
43.5 lbs (19.7 kg)
On side of turntable, before 3-2000 40 US gal (151 l)
Ambient Air Temperature Operating Range
Fahrenheit 0°F to 110°F Celsius -18°C to 43°C
Maximum Wind Speed
Gust or steady 28 mph (45 km/h)
TB80/TB85J – 0112477 7
Page 12
Chapter 2 – Specifications
General Specifications – TB85J
Aerial Platform
Working height 91′ 3″ (27.8 m) Maximum platform height 85′ 3″ (26.0 m) Horizontal reach 77 (23.5 m) Main boom Articulation -13.5° to +70° Extension 40 (12.1 m) approx. Turntable rotation 360° continuous Turning radius, inside Axles extended 17′ 5″ (5.3 m) Wheelbase 12 (3.6 m) Ground clearance 13 (33 cm) Maximum wheel load 15,400 lbs (6,985 kg) Maximum ground pressure 84 psi (5.9 kg/cm²) Weight, EVW Approximate 30,300 lbs (13,744 kg) Width Axles retracted 8′ 6″ (2.5 m) Axles extended 12 10 (3.9 m) Stowed length 36 10 (11.2 m) Stowed height 9′ 7″ (2.9 m)
Platform
Dimensions Standard Steel 30 x 60 (76 cm x 152 cm) Optional Aluminum 30 x 60 (76 cm x 152 cm) Optional Aluminum 30 x 92 (76 cm x 244 cm) Rated work load Steel 30 x 60 500 lb (272 kg) Aluminum 30 x 60 600 lb (294 kg) Aluminum 30 x 92 500 lb (272 kg) Rotation 170 degrees Maximum number of occupants 2 people Optional AC generator 110 V Optional AC generator 220 V Optional AC generator 220 V, 3-phase, 12 kw Optional Welder
Drive – four wheel drive High 3.0 mph (4.8 km/h) Mid 1.5 mph (2.4 km/h) Low 0.75 mph (1.2 km/h) Drive – two wheel drive High 3.0 mph (4.8 km/h) Low 0.75 mph (1.2 km/h)
Drive System
Standard Two wheel drive Gradeability 25% Optional Four wheel drive Gradeability 30%
Tires
Foam filled 15 x 22.5 (38 cm x 50 cm), 16 ply
Electrical System
Voltage 12 V DC negative chassis ground Source Gas engine One -12 V 550 CCA battery Diesel engine Two - 12 V 550 CCA batteries Fluid recommended distilled water
Hydraulic System
Maximum pressure 2,800 psi (19,305 kPa) Reservoir capacity 40 US gal (151 l) System capacity 65 US gal (246 l) Maximum operating temperature 200°F (93°C) Hydraulic fluid recommended Above 10°F (-13°C) Mobil DTE-13M (ISO VG32) Below 10°F (-13°C) Mobil DTE-11M (ISO VG15)
Engine
Diesel Cummins B3.3 Diesel Deutz F4L-2011F Gasoline and/or LPG Ford LRG 425
Function Speed
Turntable rotation Booms retracted 90 to 100 seconds Booms extended 190 to 220 seconds Main boom Up Booms retracted 65 to 75 seconds Booms extended 100 to 120 seconds Down Booms retracted 60 to 70 seconds Booms extended 80 to 95 seconds Extend 80 to 90 seconds Retract 60 to 70 seconds Jib Up 25 to 35 seconds Down 25 to 35 seconds Platform rotation 16 to 20 seconds
8 TB80/TB85J – 0112477
Fuel Tank Capacity
Gasoline or diesel 54 US gal (204 l) LPG 43.5 lbs (19.7 kg) Dual fuel gasoline 54 US gal (204 l)
43.5 lbs (19.7 kg)
Ambient Air Temperature Operating Range
Fahrenheit 0°F to 110°F Celsius -18°C to 43°C
Maximum Wind Speed
Gust or steady 28 mph (45 km/h)
Page 13
Engine Specifications
Chapter 2 – Specifications
Engine
Cummins
B3.3
Cummins
4B3.9
Deutz
F4L-2011F
CID Fuel Grade Coolant
Diesel
ASTM No. 2D fuel with a
199 cu. in. (3.26 liter)
minimum Cetane number of
1
40.
For operating tempera-
50% Water
50% Antifreeze
tures below 32°F (0°C) use
winterized No. 2D.
Diesel
239 cu. in.
(3.9 liter)
125 cu. in.
(2.0 liter)
ASTM No. 2D fuel with a
minimum Cetane number of
40.1 For operating tempera­tures below 32°F (0°C) use
winterized No. 2D.
Diesel
• DIN 51 601 (February 1986).
• BS 2869: A1 and A2 (with A2 refer to Deutz manual about sulfur content)
• ASTM D 975-88: 1-D and 2-D
• CEN EN 590 or DIN EN 590
• NATO Code F-54 and F-75
• For operating temperatures be­low 32°F (0°C) use winter grade diesel.
1
50% Water
50% Antifreeze
1
Air
Operating
Temperature
140°F to 212°F
2
60°C to 100°C
140°F to 212°F
60°C to 100°C
172°F to 203°F
78°C to 95°C
Oil
Capacity
2 gal (7.5 liter)
total
1.6 qt (1.5 liter) Low to High
2.5 gal
(9.4 liter)
1.59 US gal (6.0 liter)
Oil
Grade
SAE
15W-40
API:
CH4/SG
SAE
5W-30
API: CE/SF CD/SF
API: CD
or higher
3
3
3
Diesel
• DIN 51 601 (February 1986).
1
• BS 2869: A1 and A2 (with A2
Deutz
F4L-1011
125 cu. in.
(2.0 liter)
refer to Deutz manual about sulfur content)
• ASTM D 975-88: 1-D and 2-D
• CEN EN 590 or DIN EN 590
1
Air
172°F to 203°F
78°C to 95°C
1.59 US gal (6.0 liter)
API: CD
or higher
• NATO Code F-54 and F-75
• For operating temperatures below 32°F (0°C) use winter grade diesel.
Note 1: Refer to the engine manufacturers manual for specific fuel recommendations and specifications.
Note 2: Ethylene glycol or Propylene glycol may be used. Refer to the Cummins® Operation and Maintenance Manual B3.3 Series
Note 3: Refer to the engine manufacturers manual for specific lubricating oil recommendations and specifications.
Engines for specific coolant recommendations and specifications.
3
TB80/TB85J – 0112477 9
Page 14
Chapter 2 – Specifications
Engine Specifications
Engine
Ford
LRG 425
Ford
LRG 423
Continental
TM27
CID Fuel Grade Coolant
Gasoline
Unleaded 87 or 89
1
octane.
Do not use
gasoline blends with
more than 10% ethanol
153 cu. in.
(2.5 liter)
by volume octane index
of 87 or 89.
50% Water
50% Antifreeze
LPG
HD-5 USA
EN589 European
1
Gasoline
79.3 cu. in. (1.3 liter)
Unleaded gasoline 85 octane
(motor method)
LPG
Gas Processors Association
Standard 2140
Category: special duty propane
1
50% Water
50% Antifreeze
Gasoline
79.3 cu. in. (1.3 liter)
Unleaded gasoline 85 octane
(motor method)
LPG
Gas Processors Association
Standard 2140
Category: special duty propane
1
50% Water
50% Antifreeze
1
Operating
Temperature
195°F to 220°F
4
91°C to 104°C
160°F to 190°F
4
71°C to 88°C
180°F to 202°F
81°C to 94°C
Oil
Capacity
4.5 US qt
(4.26 liter)
4 US qt
(3.8 liter)
6 US qt
(5.7 liter)
Oil
Grade
API: SH
3
or SJ
Gasoline
API: SH SG only if SH is not
available
LPG
SG or SH
API: SE, SF,
SE/CD
3
SF/CD
3
3
Note 1: Refer to the engine manufacturers manual for specific fuel recommendations and specifications.
Note 2: Ethylene glycol or Propylene glycol may be used. Refer to the Cummins® Operation and Maintenance Manual B3.3 Series
Note 3: Refer to the engine manufacturers manual for specific lubricating oil recommendations and specifications.
Note 4: Refer to the Ford® LRG 425 Operator Handbook for specific coolant recommendations and specifications.
10 TB80/TB85J – 0112477
Engines for specific coolant recommendations and specifications.
Page 15
Engine Oil Viscosity
Cummins B3.3
Cummins 4B3.9
Chapter 2 – Specifications
TB80/TB85J – 0112477 11
Page 16
Chapter 2 – Specifications
Deutz F4L-2011F Deutz F4L-1011
Ford LRG 425
12 TB80/TB85J – 0112477
Page 17
Ford VSG 423
Chapter 2 – Specifications
Continental TM27
TB80/TB85J – 0112477 13
Page 18
Chapter 2 – Specifications
14 TB80/TB85J – 0112477
Page 19
Chapter 3 – Safety
Knowledge of the information in this manual, and proper training, provide a basis for safely operating the aerial platform. Know the location of all controls and how they operate to act quickly and responsibly in an emergency.
Safety devices reduce the likelihood of an accident. Never disable, modify, or ignore any safety device. Safety alerts in this manual indicate situations where accidents may occur.
If any malfunction, hazard or potentially unsafe condition relating to capacity, intended use, or safe operation is suspected, stop aerial platform operation and seek as­sistance.
The operator bears ultimate responsibility for following all manufacturer’s instructions and warnings, regulations and safety rules of their employer and/or any state or federal law.
Electrocution Hazards
The aerial platform is made of metal components and is not insulated. Regard all conductors as energized. Do not operate outside during a thunderstorm.
Minimum Safe Approach Distance
Minimum safe approach distances to energized power lines and their associated parts must be observed while operating the aerial platform.
ADanger
The aerial platform is not electrically insulated. Death or serious injury can result from contact with, or inadequate clearance from, an energized con­ductor. Do not go closer than the minimum safe approach distance as defined by ANSI.
ANSI publications define minimum distances that must be observed when working near bus bars and energized power lines. Table 1 and Figure 3 are reprinted courtesy of Scaffold Industry Association, ANSI/SIA A92.5.
Voltage Range
(Phase to Phase)
0 to 300V
Over 300V to 50kV
Over 50kV to 200kV
Over 200kV to 350kV
Over 350kV to 500kV
Over 500kV to 750kV Over 750kV to 1000kV
Table 1 – Minimum Safe Approach Distance
Minimum Safe Approach Distance
Feet Meters
Avoid Contact
10
15
20
25
35
45
3.05
4.60
6.10
7.62
10.67
13.72
Figure 3 – Minimum Safe Approach Distance
TB80/TB85J – 0112477 15
Page 20
Chapter 3 – Safety
Prestart Inspection
Perform a prestart inspection before each shift as de­scribed in Chapter 7. Do not use the aerial platform on the job unless you are trained and authorized to do so.
Work Place Inspection and Practices
Do not use the aerial platform as a ground connection when welding. The welding ground clamp must be at­tached to the same structure that is being welded. Elec­trical current flow can be very intense, causing serious internal damage to some components.
Inspect the area before and during aerial platform use. The following are some potential hazards that may be in the work place.
• Debris
• Slopes
• Drop-offs or holes
• Bumps and floor obstructions
• Overhead obstructions
• Unauthorized persons
• High voltage conductors
• Wind and weather conditions
• Inadequate surface and support to withstand load forces applied by the aerial platform in all operating configurations
Always look in the direction of movement. Drive with care and at speeds compatible with the work place conditions. Use caution when driving over rough ground, on slopes, and when turning. Do not engage in any form of horse­play or permit riders any place other than in the platform.
Secure all accessories, containers, tools, and other ma­terials in the platform to prevent them from accidentally falling or being kicked off the platform. Remove all ob­jects that do not belong in or on the aerial platform.
Never steady the platform by positioning it against an­other platform.
Do not operate the aerial platform if it is damaged or not functioning properly. Qualified maintenance personnel must correct the problem before putting the aerial plat­form back into service.
Operation
Use three points of support when entering or exiting the platform. For example, use two hands and one foot when climbing into the platform.
Never cover the platform floor grating or otherwise ob­struct your view below. Make sure the area below the platform is free of personnel before lowering.
Before using the aerial platform in any hazardous (classi­fied) location, make certain it is approved and of the type required by ANSI/NFPA 505 for use in that particular lo­cation.
Know and understand the job site traffic-flow patterns and obey the flagmen, road signs, and signals.
While operating the aerial platform, a good safety prac­tice is to have qualified personnel in the immediate work area to:
• Help in case of an emergency
• Operate emergency controls as required
• Watch for loss of control by platform operator
• Warn the operator of any obstructions or hazards that may not be obvious to them
• Watch for soft terrain, sloping surfaces, drop-offs, etc. where stability could be jeopardized
• Watch for bystanders and never allow anyone to be under, or to reach through the booms while operating the aerial platform
ADanger
Pinch points may exist between moving compo­nents. Death or serious injury can result from be­coming trapped between components, buildings, structures, or other obstacles. Make sure there is sufficient clearance around the machine before moving the chassis, booms, or platform. Allow suffi­cient room and time to stop movement to avoid con­tact with structures or other hazards.
Keep both feet positioned firmly on the platform floor. Operate the controls slowly and deliberately to avoid jerky and erratic operation. Always stop the controls in neutral before going in the opposite direction.
Do not dismount while the aerial platform is in motion or jump off the platform.
Properly stow the aerial platform and secure it against unauthorized operation at the end of each work day, be­fore transporting, or if it is left unattended.
Tip-Over and Falling Hazards
Operate the aerial platform only on a firm, flat, level sur­face capable of withstanding all load forces imposed by the aerial platform in all operating conditions. Refer to the General Specifications chart for the maximum wheel load and ground pressure. Raise the booms only when the aerial platform is on level ground.
ADanger
The aerial platform can tip over if it becomes un­stable. Death or serious injury can result from a tip­over accident. Do not drive or position the aerial platform for elevated use near any drop-off, hole, slope, soft or uneven ground, or other tip-over haz­ard.
All platform occupants must wear a fall restraint device connected to a lanyard anchor point.
16 TB80/TB85J – 0112477
Page 21
Chapter 3 – Safety
It is best not to transfer from the platform to another struc­ture or from the structure to the platform, unless that is the safest way to do the job. Judge each situation sepa­rately taking the work environment into account. If it is necessary to transfer from the platform to another struc­ture the following guidelines apply:
1. Where possible, place the platform over a roof or walking structure to do the transfer.
2. Transfer your anchorage from one structure to the other before stepping across.
3. Remember that you might be transferring to a struc­ture where personal fall arrest is required.
4. Use the platform entrance, do not climb over or through the guardrails.
Do not operate the aerial platform in windy or gusty con­ditions. Do not add anything to the aerial platform that will increase the wind loading such as billboards, ban­ners, flags, etc.
Never operate the aerial platform without all parts of the guardrail system in place and the gate closed. Make sure that all protective guards, cowlings, and doors are se­curely fastened.
Do not exceed the platform capacity as indicated on the platform rating placard on the platform. Do not carry loads that extend beyond the platform guardrails without prior written consent from Snorkel.
Do not operate the aerial platform from trucks, trailers, railway cars, floating vessels, scaffolds, or similar equip­ment unless the application is approved in writing by Snorkel.
Do not operate any of the aerial platform functions while the battery charger is plugged in.
AWarning
Batteries give off hydrogen and oxygen that can combine explosively. Death or serious injury can result from a chemical explosion. Do not smoke or permit open flames or sparks when checking the batteries.
Battery acid can damage the skin and eyes. Seri­ous infection or reaction can result if medical treat­ment is not given immediately. Wear face and eye protection when working near the batteries.
Batteries contain sulfuric acid that can damage your eyes or skin on contact. Wear a face shield, rubber gloves, and protective clothing when working around batteries. If acid contacts your eyes, flush immediately with clear water and get medical attention. If acid contacts your skin, wash off immediately with clear water.
Hydraulic System
The hydraulic system contains hoses with hydraulic fluid under pressure.
ADanger
Hydraulic fluid escaping under pressure can have enough force to inject fluid into the flesh. Serious infection or reaction can result if medical treatment is not given immediately. In case of injury by escap­ing hydraulic fluid, seek medical attention at once.
Do not place your hand or any part of your body in front of escaping hydraulic fluid. Use a piece of cardboard or wood to search for hydraulic leaks.
Do not use the aerial platform as a crane, hoist, jack, or for any purpose other than to position personnel, tools, and materials.
Do not climb on the guardrails or use ladders, planks, or other devices to extend or increase the work position from the platform.
Take care to prevent rope, electrical cords, and hoses, etc., from becoming caught in or on the aerial platform. If the platform or booms becomes caught on an adjacent structure or other obstacle and is prevented from normal motion, reverse the control to free the platform. If control reversal does not free the platform, evacuate the platform before attempting to free it.
Electrical System
Charge the batteries in a well-ventilated area free of flame, sparks, or other hazards that might cause fire or explo­sion.
TB80/TB85J – 0112477 17
Engine and Fuel Handling Precautions
Refer to the engine manufacturer’s Operator’s Manual for complete information on safe engine operation, mainte­nance, and specifications.
ADanger
Engine exhaust contains carbon monoxide, a poi­sonous gas that is invisible and odorless. Breathing engine exhaust fumes can cause death or serious illness. Do not run the engine in an enclosed area or indoors without adequate ventilation.
Operate dual fuel machines on LPG fuel when indoors to reduce exhaust fumes and carbon monoxide.
Be careful not to run the diesel fuel tank empty. Bleed the fuel system if air enters the lines between the tank and the injection pump.
Allow the engine to return to idle before shutting the en­gine off.
Page 22
Chapter 3 – Safety
Do not smoke or permit open flames while fueling or near fueling operations.
Never remove the fuel cap or fill the fuel tank while the engine is running or hot. Never allow fuel to spill on hot machine components.
Maintain control of the fuel filler nozzle when filling the tank. Spilled fuel is a potential fire hazard.
Do not overfill the fuel tank. Allow room for expansion.
Clean up spilled fuel immediately.
Tighten the fuel tank cap securely. If the fuel cap is lost, replace it with an approved cap from Snorkel. Use of a non-approved cap without proper venting may result in pressurization of the tank.
Never use fuel for cleaning purposes.
For diesel engines, use the correct fuel grade for the operating season.
ACaution
Engine coolant escaping under pressure can cause serious burns. Shut the engine off and let it cool before removing the radiator cap.
Let the engine and radiator cool before adding coolant.
Placards and Decals
The aerial platform is equipped with placards and decals that provide instruction for operation and accident pre­vention. Do not operate the aerial platform if any plac­ards or decals are missing or not legible.
18 TB80/TB85J – 0112477
Page 23
Chapter 4 – Safety Devices
This aerial work platform is manufactured with safety de­vices, placards, and decals to reduce the likelihood of an accident. For the safety of all personnel, do not disable, modify, or ignore any safety device. Safety devices are included in the daily prestart inspection.
AWarning
The potential for an accident increases when safety devices do not function properly. Death or serious injury can result from such accidents. Do not alter, disable, or override any safety device.
If any safety devices are defective, remove the aerial plat­form from service until qualified maintenance personnel can make repairs.
Emergency Stop Controls
There is an emergency stop control at the lower and up­per controls.
At the lower controls, the emergency stop is a two-posi­tion push button (refer to Figure 4.1). Push the emer­gency stop button in to disconnect power to all control circuits. Pull the button out to restore power. On older machines the emergency stop is a two-position toggle switch with a red safety guard. Push the guard down over the toggle switch to disconnect power to all control cir­cuits. Lift the guard and push the toggle switch up to restore power.
At the upper controls, the emergency stop is a two-posi­tion push button (refer to Figure 4.2).
Emergency Stop Button
Figure 4.2 – Upper Controls
Push the emergency stop button in to disconnect power to the upper control circuits. Pull the button out to restorepower.
Engine/Emergency
Power Switch
Emergency Power System
The emergency power system includes a back-up pump, motor, and battery. Use this system to operate the boom and turntable functions to lower the platform if the main power system fails due to engine or pump failure.
Emergency Stop Button
Engine/Emergency
Power Switch
Ground
Operation Switch
Figure 4.1 – Lower Controls
Note The lower controls override the upper controls. If the up­per control emergency stop button is engaged, the lower controls can still be used to operate the aerial platform.
Hold the emergency power switch (refer to Figure 4.1 and 4.2) down to activate the emergency power system.
The length of time the pump can be operated depends on the capacity of the battery.
Emergency Lowering Knob
The emergency lowering knob may be used to lower the booms if the engine will not start and the emergency power system will not work. The knob is on the base end of the main boom lift cylinder (refer to Figure 4.3) under the left side of the turntable.
Emergency
Lowering Knob
Figure 4.3 – Emergency Lowering Knob
TB80/TB85J – 0112477 19
Page 24
Chapter 4 – Safety Devices
The knob may be turned to open the cylinder bleed down valve for emergency lowering.
Axle/Boom Interlock
The rear axles on the chassis extend to help stabilize the machine when the boom is raised or extended.
The axle/boom interlock prevents the boom from extend­ing and from raising above horizontal if the rear axles are not properly extended and locked in position.
Ground Operation Switch
The ground operation switch (refer to Figure 4.1) prevents boom and platform movement if a control switch on the lower control panel is accidentally moved.
Hold the switch up to operate the machine from the lower controls.
Platform Foot Switch
Stepping down on the platform foot switch (refer to Figure
4.4) activates the upper controls.
Top Rail
Swinging
Gate
Figure 4.5 – Platform
The gates close automatically after entering or exiting the platform. The gate is part of the guardrail system and must be securely fastened after entering the platform.
Lanyard Anchors
Two lanyard anchors for fall restraint anchorage are pro­vided below the upper controls at the front of the platform (refer to Figure 4.4).
Gravity
Gate
Platform Foot
Switch
Lanyard Anchors
Mid Rail
Toeboard
Figure 4.4 – Platform
The foot switch must be engaged and a control must be moved to operate the boom, drive, and/or platform from the upper controls.
Guardrails
The guardrail system includes a top rail, mid rail, and toeboards around the sides of the platform (refer to Fig­ure 4.4).
A gravity gate (refer to Figure 4.4) or an optional swinging gate (refer to Figure 4.5) allows for access to the plat­form.
Note The lanyard anchors are not for lifting or tying the ma­chine down.
All personnel in the platform must connect their fall re­straint device to a lanyard anchor before raising the plat­form. Do not use the aerial platform for personal fall ar- rest anchorage.
Ground Fault Circuit Interrupter
The electrical power outlet at the platform (refer to Figure
4.6) contains a ground fault circuit interrupter (GFCI) to provide protection for personnel.
Electrical
Power Outlet
Figure 4.6 – Electrical Power Outlet
20 TB80/TB85J – 0112477
Page 25
Chapter 4 – Safety Devices
Tilt Alarm
If the aerial platform chassis is out of level more than five degrees when the main boom is raised or extended, an alarm will sound. The tilt alarm is located under the upper control panel.
ADanger
The aerial platform can tip over if it becomes un­stable. Death or serious injury can result from a tip­over accident. Do not drive or position the aerial platform for elevated use near any drop-off, hole, slope, soft or uneven ground, or other tip-over haz­ard.
Completely retract and lower the main boom and then drive to a level surface when the tilt alarm sounds.
The tilt alarm is for added protection and does not justify operating on anything other than firm, flat, level surfaces.
Engine Protection Systems
A constant tone alarm will sound to warn against high engine temperature or low oil pressure.
The engine will shut-down if the operating temperature exceeds a preset level or if the oil pressure is too low for safe operation. An engine temperature gauge is on the top of the lower control panel (refer to Figure 4.7).
If the oil in a Deutz engine exceeds 230°F (110°C) an alarm will sound and the engine will shut off. Any time there is no alternator current being produced, an alarm will sound and the engine will shut off. This prevents high engine temperature if the fan belt breaks.
Do not restart the engine until the condition that caused the overheating has been corrected.
Low Oil Pressure Alarm
The low oil pressure alarm sounds when the engine oil pressure is near the lower limit for safe engine operation. If the alarm sounds, lower the platform to the ground and then turn the engine off. Do not restart the engine until the condition that caused the low oil pressure has been corrected.
If the engine oil pressure falls below a safe operating value the engine will shut off. The engine can be restarted with low oil pressure, but it will only run a few seconds before it shuts off again.
Horn
The horn may be used to warn personnel on the ground. The horn button is on the right side of the upper control panel (refer to Figure 4.8). The horn is operational when the machine is set up for operation from the upper con­trols.
Engine
Temperature
Gauge
Figure 4.7 – Engine Gauges
High Engine Temperature Alarm
If the coolant in a Ford, Cummins, or Continental engine exceeds the engine operating temperature an alarm will sound and the engine will shut off.
Horn Button
Figure 4.8 – Right Side of Upper Control Panel
Drive Motion Alarm
An optional drive motion alarm may be provided on the machine. When the drive/steer control is moved out of neutral the alarm sounds, in short beeps, to warn per­sonnel in the work area to stand clear.
TB80/TB85J – 0112477 21
Page 26
Chapter 4 – Safety Devices
Flashing Light
An optional red or amber flashing light may be located on the top of the boom near the base end (refer to Figure
4.9). The flashing light warns personnel that the aerial platform is in the area.
Flashing Light
Figure 4.9 – Flashing Light
The light flashes at about one flash per second when the engine is running.
Platform Work Lights
Optional platform work lights may be located on the top rail of the platform (refer to Figure 4.11), one on each side of the upper control panel.
Use the platform lights to improve visibility while working aloft in dimly lit areas. Do not use the platform work lights to drive on public roadways.
Figure 4.11 – Platform Work Lights
Driving Lights
Optional headlights and blinking tail lights may be in­stalled on the machine. The headlights are located on the top of the front cowling. The tail lights are mounted on the sides of the rear cowling (refer to Figure 4.10).
Tail Light
Figure 4.10 – Tail Light
Driving lights help improve visibility while driving the aerial platform and help others see it too. Driving lights are not for driving on public roadways.
22 TB80/TB85J – 0112477
Page 27
Chapter 5 – Gauges and Displays
The aerial platform is equipped with several gauges to monitor the condition of the machine before and during operation.
Hour Meter
The hour meter is located on the wiring box on the left side of the lower controls (refer to Figure 5.1). It mea­sures the accumulated engine operating time.
Hour Meter
Figure 5.1 – Wiring Box
Ammeter
The ammeter is located on the lower control panel (refer to Figure 5.2). The ammeter displays the level of current flow from the alternator to the batteries.
After the engine has been running for a few minutes un­der normal operating conditions, the ammeter gauge in­dicator should read “0.”
Engine Air Filter Gauge
The air filter gauge (refer to Figure 5.3) is located above the lower control panel. The gauge measures the air pres­sure between the intake manifold and the air filter.
Air Filter Gauge
Engine Temperature Gauge
The temperature gauge is located on the lower control panel (refer to Figure 5.2).
Engine
Temperature
Gauge
Ammeter
Figure 5.3 – Air Filter Gauge
The yellow indicator disk inside the sight glass stays at its highest level when the engine is turned off.
When the yellow indicator disk reaches the red area, it’s time to change the filter element. After changing the filter, press the reset button to reset the indicator disk to the bottom of the sight glass.
Fuel
The fuel tank is translucent. The amount of fuel in the tank can be gauged by raising the door on the right rear of the machine (refer to Figure 5.4) and looking at the tank. On older machines the fuel tank is behind the cowl­ing door on the right side of the machine. These tanks have a gauge on top of them that measure the amount of fuel in the tank.
Figure 5.2 – Lower Controls
On liquid cooled engines it shows the temperature of the water and antifreeze mixture in the engine block. The gauge on air cooled engines shows the temperature of the engine oil as the oil leaves the filter.
TB80/TB85J – 0112477 23
Page 28
Chapter 5 – Gauges and Displays
Fuel Tank
Figure 5.4 – Gasoline or Diesel Fuel Tank
Note Do not run a diesel fuel tank empty. Air in the fuel line makes the engine hard to start.
LPG tanks have a fuel gauge that has two scales. One scale measures the fuel level when the tank is mounted vertical and the other is used when the tank is mounted horizontal (refer to Figure 5.5).
Hydraulic Fluid Filter Gauge
The fluid filter gauge (refer to Figure 5.6) is located on the return line filter on top the reservoir. The reservoir is be­hind the door on the left side of the turntable. During high pump flow situations, the gauge indicates the condition of the filter. When the needle on the gauge is in the red zone, its time to change the filter.
Filter Gauge
Figure 5.6 – Hydraulic Fluid Filter Gauge
Fluid Level and Temperature Gauge
A gauge on the right end of the reservoir displays the level and temperature of the hydraulic fluid (refer to Figure 5.7).
Horizontal Scale
Figure 5.5 – LPG Fuel Tank
The LPG tank is mounted horizontally behind the rear cowling door on the right side of the machine. Read the horizontal scale to determine the fuel level.
Engine Oil
The engine oil level is measured with a dipstick. The dip­stick is the only way to accurately determine the engine oil level. The engine oil level should always be between the add and full marks on the dipstick.
Fluid Level and
Temperature Gauge
Figure 5.7 – Hydraulic Fluid Gauge
If the temperature rises above 200°F (93°C) stop machine operation and let the fluid cool before resuming opera­tion.
24 TB80/TB85J – 0112477
Page 29
Chapter 6 – Controls
ADanger
Pinch points may exist between moving compo­nents. Death or serious injury can result from be­coming trapped between components, buildings, structures, or other obstacles. Make sure all person­nel stand clear while operating the aerial platform.
Controls to position the platform are located on the lower control panel on the turntable and on the upper control panel in the platform. Drive controls are located on the upper control panel only.
Battery Disconnect Switch
The battery disconnect is located behind the door on the left side of the turntable above the batteries (refer to Fig­ure 6.1).
Battery Disconnect Switch
Axle Lever
Figure 6.2 – Axle Controls
Jack Lever
High Range Speed Selector – 4x4
The high range speed selector (refer to Figure 6.3) is located on the top of the chassis near the front of the machine.
Figure 6.1 – Battery Disconnect Switch
The battery disconnect removes electrical power from all electrically controlled functions when in the off position. Place the switch in the on position to electrically connect the battery to the electrical system.
ACaution
Only authorized personnel should operate the aerial platform. Unqualified personnel may cause injury to coworkers or property damage. Lock the battery disconnect switch in the off position before leaving the aerial platform unattended.
Turn the battery disconnect switch off to prevent unau­thorized use of the aerial platform.
Axle Controls
The axle controls (refer to Figure 6.2) are located on the top of the chassis at the rear of the machine.
One of the controls operates the jack to raise and lower the chassis and the other operates the axle extend and retract functions.
High Range Speed
Selector Valve
Figure 6.3 – Top of Chassis
This valve works in conjunction with the drive range switch on the upper controls to determine the maximum drive speed on four-wheel drive machines. Lock the knob in the upward position for maximum drive speed.
Lower Controls
The lower controls (refer to Figure 6.4) are located on the right side of the turntable. Boom and platform functions can be operated from the lower controls. The following are located on the lower control panel.
• Start switch
• Emergency stop button
• Controls selector switch
• Ground operation switch
• Turntable swing switch
• Main boom elevation switch
• Boom extension switch
• Boom speed knob
• Jib articulation switch – TB85J only
• Platform level switch
TB80/TB85J – 0112477 25
Page 30
Chapter 6 – Controls
• Platform rotate switch
• Engine/Emergency power switch
• Engine speed switch
• Fuel switch (dual fuel machines)
• Ether injection switch (option for Cummins engines)
• Air inlet heater (option for Deutz engines)
• Hydraulic warm-up switch (option)
Ground Operation Switch
Hold the switch upward continually to operate the ma­chine from the lower controls. The engine speed increases when the switch is held upward. This switch is spring returned to the off position.
Boom/Axle Switch
The boom/axle switch must be up, in the boom position to operate the boom functions.
Place the switch down, in the axle position, to operate the controls for the jack and axles.
Rotation Switch
The rotation switch is used to rotate the turntable in a clockwise or counterclockwise direction. The switch is spring returned to the center off position.
Hold the switch to the right to rotate the turntable coun­terclockwise. Hold the switch to the left to rotate the turn­table clockwise.
Boom Elevation Switch
The boom elevation switch is used to raise or lower the main boom. The switch is spring returned to the center off position.
Figure 6.4 – Lower Controls
Start Switch
The start switch works like an automobile ignition switch. Hold it in the start position until the engine starts, then release it to on. If the engine dies, the key must be turned to off before it will go back to start.
An alarm sounds when the switch is turned on to warn others that the machine engine is being started.
Emergency Stop Button
The emergency stop is a two-position, red push button. Push the button in to disconnect power to all control cir­cuits. Pull the button out to restore power. On older ma­chines the emergency stop is a two-position toggle switch with a red safety guard. Push the guard down over the toggle switch to disconnect power to all control circuits. Lift the guard and push the toggle switch up to restore power.
Controls Selector Switch
Use the controls switch to select between lower control and upper control operation. Place the switch in the plat­form position to operate the aerial platform from the up­per controls and in the ground position for lower controls operation.
Hold the switch up to raise the main boom. Hold the switch down to lower the main boom.
Boom Extension Switch
The boom extension switch is used to extend or retract the booms. The switch is spring returned to the center off position.
Hold the switch to the left to extend the booms. Hold the switch to the right to retract the booms.
Boom Speed Knob
Use the boom speed control knob to control the speed of the following boom functions.
• Main boom raise/lower
• Boom extend/retract
• Turntable rotation clockwise/counterclockwise
Set the knob to slow when beginning a boom movement. The speed may be increased by slowly rotating the knob toward fast. For smooth operation, rotate the knob to slow when ending boom movement.
Jib Articulation Switch – TB85J Only
The jib switch is used to raise or lower the jib. The switch is spring returned to the center off position.
Hold the switch up to raise the jib. Hold the switch down to lower the jib.
Platform Level Switch
The platform level switch is used to level the platform floor with respect to the ground. The switch is spring re­turned to the center off position.
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Chapter 6 – Controls
Hold the switch up to tilt the platform floor upward or away from the ground. Hold the switch down to tilt the platform floor downward or toward the ground.
Platform Rotate Switch
The platform rotator switch is used to rotate the platform relative to the end of the tip boom. The switch is spring returned to the center off position.
Hold the switch to the right to rotate the platform counter­clockwise. Hold the switch to the left to rotate the plat­form clockwise.
Engine/Emergency Power Switch
Hold the engine/emergency power switch down to oper­ate aerial platform functions using the emergency power system. Release the switch to disengage the emergency power system.
Note The emergency power system is for lowering the platform during an emergency and is not intended for normal ma­chine operation.
If the engine is running, it will stop when the switch is placed in the emergency power position.
Engine Speed Switch
The engine speed switch is used to set the engine throttle speed to either low or high idle.
Place the switch in the low position for normal machine operation and in the high position for engine operation or hydraulic system warm-up.
Fuel Switch
Engines on machines with the dual fuel option can be operated using gasoline or liquefied petroleum gas (LPG). Dual fuel machines have a gasoline tank at the rear of the turntable and an LPG tank behind the door on the right side of the turntable.
Manifold Air Inlet Heater – Deutz Only
Some Deutz engines may have a glow plug type mani­fold or air inlet heater. The air inlet heater should only be used to start a cold engine when the ambient tempera­ture is below 32°F (0°C).
Hold the toggle switch up in the on position for about 60 seconds before trying to start the engine.
Hydraulic System Warm-up Switch
Some engines may have a hydraulic fluid warm-up sys­tem. This system may be used to warm the hydraulic fluid when the ambient temperature is below 32°F (0°C) and boom movement is sluggish because of cold fluid.
There is a toggle switch for the warm-up system on the lower control panel and one on the left side of the upper control panel.
The engine must be running and the switch used to turn the system on, must be at the same location that the engine was started. For example, if the engine was started from the lower controls, the warm-up switch at the lower controls must be used for the system to operate.
Machine functions are not operational while using the hydraulic warm-up system.
Circuit Breaker Reset Buttons
The lower control panel electrical system has a circuit breaker for the lift/swing circuit (refer to Figure 6.4). There is a reset button for the circuit breaker on the bottom of the lower control panel
The wiring box (refer to Figure 6.5) electrical system has a circuit breaker for the main, run, and throttle circuits. There is a reset button for each circuit breaker on the front of the wiring box.
The fuel switch may be used to select between gasoline and LPG operation.
Place the switch up to operate the engine using gasoline and down to operate on LPG.
Circuit Breaker Reset Buttons
Ether Injection Switch – Cummins Only
Some Cummins engines may have an either injection system instead of a block heater. Either injection should only be used to start a cold engine when the ambient temperature is below 32°F (0°C).
Activate the toggle switch while the start switch is in the start position to inject a measured amount of ether into the intake manifold.
TB80/TB85J – 0112477 27
Figure 6.5 – Wiring Box
Page 32
Chapter 6 – Controls
The upper control panel (refer to Figure 6.6) has a circuit breaker for the main and drive circuits. The circuit breaker reset buttons are on the front of the upper control panel.
Circuit Breaker Reset Buttons
Start Switch
Figure 6.6 – Upper Control Panel Front
The electrical power outlet at the platform has a 15 amp circuit breaker. The reset button is on the right side of the electrical box (refer to Figure 6.7).
Upper Controls
The upper controls (refer to Figure 6.8) are located on the control panel at the platform. Boom, platform, and drive functions can be operated from the upper controls. The following controls are located on the upper control panel.
• Start switch
• Emergency stop button
• Boom joystick
• Drive joystick
• Drive range switch
• Jib articulation switch – TB85J only
• Platform level switch
• Platform rotate switch
• Boom extend/retract joystick
• Engine/emergency power switch
• Throttle switch
Platform Level
Emergency Stop
Throttle Switch
Drive Range
Engine/Emergency
Power
Platform Rotate
Circuit Breaker
Reset Button
Figure 6.7 – Electrical Power Outlet
The circuit breakers protect the electrical wiring and com­ponents from electrical overload in case of a short circuit or other fault.
ACaution
A tripped circuit breaker indicates a malfunction in the electrical system. Component damage can re­sult if the cause of the malfunction is not corrected. Do not operate the aerial platform if the circuit breaker trips repeatedly.
Push the button to reset the circuit breaker.
Jib Switch
Boom Joystick
Boom Extend/
Retract
Drive Joystick
Figure 6.8 – Upper Control Panel Top
Start Switch
The engine can be started from the platform using the anti-restart master switch on the front of the upper con­trol panel (refer to Figure 6.6).
This switch is similar to an automobile ignition switch. Turn the switch to start until the engine starts, then re­lease it to on. If the engine dies, the switch must be turned to off before it can be turned back to start.
An alarm sounds when the switch is turned on to warn others that the machine engine is being started.
Note On some machines it may be necessary to pause about three seconds in the on position before going to start so the starter can engage.
Turn the switch to off to turn the engine off and save fuel if the platform is to stay in a particular position for a long time.
28 TB80/TB85J – 0112477
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Chapter 6 – Controls
Emergency Stop Button
The emergency stop is a two-position, red push button on the top of the upper control panel (refer to Figure 6.6). Push the button in to disconnect power to all control cir­cuits at the upper controls. Pull the button out to restore power.
Note The lower controls override the upper controls. If the up­per control emergency stop button is engaged the lower controls can still be used to operate the aerial platform.
Push the emergency stop button in when the upper con­trols are not in use to protect against unintentional op­eration.
Boom Joystick
The boom joystick is used to raise and lower the main boom and to rotate the turntable. The boom and turn­table functions may be operated simultaneously.
Note The distance the joystick is moved is proportional to the speed of the function.
Hold the joystick forward to raise the main boom and backward to lower the boom.
Hold the joystick to the right to rotate the turntable coun­terclockwise and to the left to rotate the turntable clock­wise.
Drive Joystick
The drive joystick is used to control forward and reverse motion of the aerial platform. It is also used to steer the machine. The steering and drive functions may be oper­ated simultaneously.
Jib Articulation Switch – TB85J Only
The jib switch is used to raise or lower the jib. The switch is spring returned to the center off position.
Hold the switch up to raise the jib. Hold the switch down to lower the jib.
Platform Level Switch
The level switch is used to level the platform floor with respect to the ground. The switch is spring returned to the center off position.
Hold the switch up to tilt the platform floor upward or away from the ground. Hold the switch down to tilt the platform floor downward or toward the ground.
Platform Rotate Switch
The platform rotate switch is used to rotate the platform relative to the end of the tip boom. The switch is spring returned to the center off position.
Hold the switch to the right to rotate the turntable coun­terclockwise. Hold the switch to the left to rotate the turn­table clockwise.
Boom Extend/Retract Joystick
The boom extend/retract joystick is used to extend or retract the booms. The joystick is spring returned to the center off position.
Hold the joystick forward to retract the booms and back­ward to extend the booms.
Engine/Emergency Power Switch
The engine/emergency power switch is spring returned to the engine position for aerial platform engine opera­tion.
Note The distance the joystick is moved is proportional to the speed of the function.
Hold the joystick forward to move the aerial platform for­ward and backward to move in reverse as indicated by the directional arrows on the chassis.
Hold the switch in the emergency power position to oper­ate aerial platform functions using the emergency power system.
Note The emergency power system is for lowering the platform during an emergency and is not intended for normal ma­chine operation.
Hold the joystick to the right to steer the aerial platform to the right and to the left to steer to the left as indicated by the directional arrows on the chassis.
Note The steering wheels are not self-centering. Set the steer­ing wheels straight ahead after completing a turn.
Drive Range Switch
The drive range switch has two positions to select drive
If the engine is running, it will stop when the switch is placed in the emergency power position.
Throttle Switch
The throttle switch is used to set the engine throttle speed to either low or high idle.
Place the switch in the low position for normal machine operation and in high to drive at maximum speed.
wheel operation:
Cummins engines have a three speed throttle operation
• HI – high speed and low torque operation.
• LO – low speed and high torque operation.
from the upper controls. Independent of the throttle switch, the platform foot switch, when depressed, increases the engine speed from low to mid-range.
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Chapter 6 – Controls
High engine speed is obtained when the main boom is horizontal, the foot switch is depressed, the throttle switch is in the high position, and the drive joystick is moved out of neutral into the forward or reverse position.
The machine can be driven in mid-range engine speed with the throttle switch place in the low position.
Deutz engines have a two speed throttle operation from the upper controls. When the throttle switch is in the low position the engine is at idle. Placing the switch in the high position increases the engine speed to high throttle.
Horn Button
The optional horn button is on the right side of the upper control panel. Press the button to sound the horn.
Light Switch
Machine/Generator Switch
The switch for the optional AC generator is located on the front of the upper control panel.
With the engine running, place the switch in the genera­tor position to provide electrical power to the electrical outlet at the platform. Place the switch in the machine position to turn off the generator and resume machine operation.
Machine functions will not operate while the switch is in the generator position.
Dual Fuel
Engines on machines with the dual fuel option can be operated using gasoline or liquefied petroleum gas (LPG). Dual fuel machines have a gasoline tank behind the door on the right side of the turntable and an LPG tank at the rear of the turntable.
The dual fuel switch to select between gasoline and LPG operation is on the lower control panel.
Place the switch up to operate the engine using gasoline and down to operate the engine using LPG.
Horn Button
Figure 6.9 – Upper Control Panel Right Side
Platform Foot Switch
The upper controls are interlocked through the platform foot switch (refer to Figure 6.10). Step down on and hold the platform foot switch to activate the drive and boom functions from the upper controls.
Platform Foot
Switch
Driving and Platform Work Lights
The control for the optional driving and tail lights is on the right side of the upper control panel (refer to Figure 6.9). Place the switch in the on position to operate the driving lights. There is also an individual light control on the back of each light (refer to Figure 6.11).
Light Switch
Figure 6.11 – Platform Work Light
The control for the optional platform work lights is on the
Figure 6.10 – Platform
30 TB80/TB85J – 0112477
back of each light.
Page 35
Chapter 7 – Prestart Inspection
Potential service and safety problems may be detected by inspecting the aerial platform. This chapter includes information on properly inspecting the aerial platform and includes a prestart inspection check list at the end of the chapter to ensure that no areas are overlooked.
AWarning
The potential for an accident increases when oper­ating an aerial platform that is damaged or mal­functioning. Death or serious injury can result from such accidents. Do not operate the aerial platform if it is damaged or malfunctioning.
Perform a prestart inspection at the beginning of each shift, before using the aerial platform on the job. The in­spection site must have a smooth and level surface.
Operator’s Manual
The manual holder is located behind the right rear cowl­ing door (refer to Figure 7.1). Make certain it is securely fastened in place.
Operator’s Manual Holder
Coolant
Cummins, Ford, and Continental engines are liquid cooled. When the engine is cold, there should be about 1 (2.5 cm) of coolant in the bottom of the reservoir (refer to Fig­ure 7.2).
Coolant Reservoir
Figure 7.2 – Coolant Reservoir
ACaution
Engine coolant escaping under pressure can cause serious burns. Shut the engine off and let it cool before removing the radiator cap.
Figure 7.1 – Operator’s Manual Holder
Check to see that the proper Operator’s Manual is in the holder. The manual should be complete with all pages intact and in readable condition.
Engine
Open the engine compartment doors on both sides of the machine and visually inspect the engine and its compo­nents with the engine off.
Oil Level
Check the engine oil level before starting the engine so the oil has drained to the pan. The proper oil level is be­tween the add and full marks on the dipstick.
The distance between the top and bottom dipstick marks corresponds to about 1 quart US (1 l). Add oil, if neces­sary, before starting the engine.
Add coolant, if necessary, when the engine is cold and not running. When running at operating temperature the coolant should be at the hot level.
Deutz engines are air cooled. Visually inspect the air intake and fan (refer to Figure 7.3) to be sure they are free of obstructions that could stop or slow the flow of air. Inspect the fan belt to see that it is in place and not cracked.
Fan
Fan Belt
Figure 7.3 – Deutz Air Intake
Radiator
Inspect the radiator hoses and clamps for wear, leakage, or damage. Make sure the hoses are not hardened, cracked, or feel spongy. Make sure the cap is in place and tight.
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Chapter 7 – Prestart Inspection
Coolant leaks are easily visible on the ground. Check under the chassis for coolant that has leaked.
Make sure the radiator core and ventilation openings on the cover are free of bugs, dirt, or foreign material that might restrict airflow.
Fuel Tank
Check the fuel level (refer to Figure 7.4) and add fuel if necessary. Make sure the cap is securely fastened on gasoline or diesel tanks.
Fuel Level
6. Latch both straps to secure the tank.
7. Connect the fuel line and open the shutoff valve.
Fuel Line
Visually inspect the entire length of the fuel line. Start at the fuel tank and trace the line to the engine inspecting for leaks and damage.
Air Filter
The air filter gauge (refer to Figure 7.6) has an indicator to show when the filter needs replaced.
Air Filter Gauge
Reset Button
Ammeter
Figure 7.4 – Gasoline or Diesel Tank
Use the following procedure to change the LPG tank.
1. Close the shutoff valve (refer to Figure 7.5).
Shutoff Valve
Latch
Slot
Pin
Quick
Disconnect
Fitting
Figure 7.5 – LPG Tank
2. Remove the fuel line from the tank using the quick disconnect fitting.
3. Pull outward on each latch to release the straps from the tank.
4. Carefully lift the tank from the cradle.
Figure 7.6 – Air Filter
To inspect the air filter:
1. Turn the battery disconnect switch on and close the cowling door.
2. On dual fuel machines, set the fuel switch to either LPG or gasoline.
3. At the lower controls, place the emergency stop switch in the on position.
4. Insert the key into the start switch and turn the en­gine on.
5. Check the clear zone after running the engine for 30 seconds.
• If the indicator is red, replace the filter.
• If the indicator is clear, the filter is OK.
6. Shut off the engine.
Charging System
When the engine is running, the ammeter needle (refer to Figure 7.6) should be to the right of “0.” Left of the “0” is discharging.
5. Place a full tank in the cradle making sure the slot in the tank aligns with the pin.
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Chapter 7 – Prestart Inspection
Cold Weather Start Kit—Block Heater
If the machine is equipped with an optional engine block heater, visually inspect the heater and power cord. In­spect for leaks around the heater and for damage to the power cord.
Electrical System
Electrical power is supplied from either one or two, 550 CCA, 12 volt batteries. These batteries supply 12 volt DC electrical power to operate the aerial platform electrical and electrohydraulic components.
Machines with gasoline engines have one battery and machines with diesel engines have two batteries.
AWarning
Batteries give off hydrogen and oxygen that can combine explosively. Death or serious injury can result from a chemical explosion. Do not smoke or permit open flames or sparks when checking the batteries.
ACaution
Even with low voltage electrical systems, severe arcing can occur. Electrical shock or component damage can result from contact with energized con­ductors. Use caution when working with any elec­trical device.
the bottom of the filler neck inside each hole, add dis­tilled water.
Replace the caps on the batteries. The caps must be in place and tight during machine operation.
Battery Terminals
Check the top of the batteries, the terminals, and cable ends. They should be clean and free of corrosion. Clean the top of the batteries if necessary. Clean the terminals and cable ends with a wire brush or terminal cleaning tool. All cable ends must be securely fastened to the terminals.
Cables and Wiring Harness
Inspect all cables and wiring for wear and/or physical damage such as loose connections, broken wires, and frayed insulation. Check the wiring in areas where a change in routing direction may cause them to become pinched (refer to Figure 7.8). Make sure the cables and wires are properly routed to avoid sharp edges, pinching, and scuff­ing.
The batteries are behind the door on the left side of the turntable.
Emergency Power Battery
The emergency power battery (refer to Figure 7.7) is be­hind the door on the right side of the chassis. The battery is automatically charged when the engine is running.
Caps
Terminals
Figure 7.7 – Emergency Power Battery
Include the emergency power battery when inspecting and servicing the electrical system.
Battery Fluid Level
Remove the caps from each battery. Visually check the battery fluid level. If the level is not within 1/4″ (6 mm) of
Figure 7.8 – Cables and Wiring Harness
Hydraulic System
Hydraulic power is supplied from an engine driven vari­able displacement piston pump.
ADanger
Hydraulic fluid escaping under pressure can have enough force to inject fluid into the flesh. Serious infection or reaction can result if medical treatment is not given immediately. In case of injury by escap­ing hydraulic fluid, seek medical attention at once.
The hydraulic reservoir is behind the door on the left side of the turntable. The pump is mounted on the engine.
Fluid Level
Check the hydraulic reservoir fluid level with the aerial platform stowed on a level surface. The fluid level must be between the full and add marks as viewed on the sight glass (refer to Figure 7.9).
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Chapter 7 – Prestart Inspection
Full
Add
Figure 7.9 – Fluid Level Indicator
ACaution
Not all hydraulic fluid is suitable to use in the hy­draulic system. Some have poor lubricating char­acteristics and can increase component wear. Only use hydraulic fluid as recommended.
Hydraulic fluid leaks are easily visible on the ground. Check under the chassis for fluid that has leaked.
Tires and Wheels
Visually inspect the tires and wheels (refer to Figure 7.11) to make sure they are suitable for service. Check the wheel lug nuts to see that none are missing, damaged, or loose.
If necessary, remove the filler cap and add fluid of the proper type. Refer to Chapter 2 for the proper type and grade of hydraulic fluid to use. The need to regularly add fluid indicates a leak that should be corrected.
The sight glass on the reservoir has an internal thermom­eter to measure the fluid temperature. The temperature should be less than 200°F (93°C).
Fluid Filter
Checking the condition of the hydraulic fluid filter is part of the machine maintenance schedule and should not be performed by the operator.
Hoses, Tubes, and Fittings
Inspect all hydraulic hoses, tubes, and fittings for wear, leakage, or damage (refer to Figure 7.10). Make sure the hoses are properly routed to avoid sharp edges, kinking, and scuffing. Inspect the tubes for dents or other damage that may restrict fluid flow. Make sure all hoses and tubes are held firmly in their support brackets.
Figure 7.11 – Tires and Wheels
The aerial platform has foam filled tires. Foam filled tires do not have a pressure decal or a valve core.
Inspect for large holes or cuts where foam is coming out of the tire. Look for large imbedded objects, such as angle iron, that can rip a tire open.
Punctures caused by bolts, screws, or nails are not a problem for foam filled tires.
Axle/Boom Interlock
Test for proper operation of the axle/boom interlock sys­tem from the lower controls with no material or personnel in the platform.
With the axles retracted and the pin properly locked in position in the top hole (refer to Figure 7.12), operate the boom up and extend functions. The boom should only raise to a few degrees above horizontal and it should only extend approximately one foot.
Pin Locked In
Top Hole
Figure 7.10 – Hoses, Tubes, and Fittings
34 TB80/TB85J – 0112477
Figure 7.12 – Rear Axles Retracted
Page 39
Chapter 7 – Prestart Inspection
Following the instructions in Chapter 8 — Operation, ex­tend the rear axles but do not install the pin lock.
With the axles extended and the pin out (refer to Figure
7.13), operate the boom up and extend functions. The boom should only raise to a few degrees above horizon­tal and it should only extend approximately one foot.
Axle
Pin
Figure 7.13 – Rear Axles Extended
Lock the pin in position in the bottom hole (refer to Figure
7.14) and extend the boom 10 to 20 feet.
Lower Control Station
With no personnel in the platform, test the operation of each control from the lower controls (refer to Figure 7.15).
Controls
Selector Switch
Engine/Emergency Emergency Stop Button
Start Switch
Figure 7.15 – Lower Controls
Power Switch
Ground Operation
Switch
Pin Locked In
Bottom Hole
Figure 7.14 – Rear Axles Extended and Locked
Remove the pin (refer to Figure 7.13) and verify that the jack will not lower to raise the rear axles with the pin out. Lock the pin in position in the bottom hole.
Operating Controls
Use the following procedure to operate the machine from the lower controls.
1. Turn the battery disconnect switch on.
2. At the lower controls, pull the emergency stop but­ton outward, or lift the emergency stop safety guard up and push the toggle switch up to the on position. Place the control selector switch in the lower control position.
3. Insert the key into the master switch and turn the switch to start until the engine starts, then release.
4. Let the engine warm to operating temperature.
5. Hold the ground operation switch upward.
ADanger
Pinch points may exist between moving compo­nents. Death or serious injury can result from be­coming trapped between components, buildings, structures, or other obstacles. Make sure all person­nel stand clear of the aerial platform while perform­ing the prestart inspection.
6. Test the operation of each function in both directions.
Note When checking the turntable rotation function in the clockwise direction, the turntable will rotate toward you.
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Chapter 7 – Prestart Inspection
Emergency Stop
Push the emergency stop button inward or push the safety guard down to turn off the engine. The lower control func­tions should not operate with the emergency stop in this position.
Emergency Power
Place the battery disconnect switch, the emergency stop switch, and the master switch in the on position.
Hold the engine/emergency power switch down and the ground operation switch upward to operate the aerial plat­form from the lower controls using the emergency power system.
Emergency Lowering
The main boom can be lowered in an emergency using the emergency lowering knob. The emergency lowering knob is at the base of the main boom lift cylinder.
Use the following procedure to test the emergency lower­ing system.
1. Use the lower controls to raise the main boom.
2. Turn the engine off.
AWarning
The potential for an accident increases when safety devices do not function properly. Death or serious injury can result from such accidents. Fully close the emergency lowering knob before operating the aerial platform.
4. Turn the knob to close the cylinder bleed down valve.
Level Sensor
Use the following procedure to test the level sensor.
1. Position the aerial platform on a smooth, flat, level surface.
2. Remove all persons and materials from the platform.
3. Start the engine and raise the main boom just above horizontal.
4. Open the rear door on the left side of the machine to access the level sensor (refer to Figure 7.17).
ADanger
Pinch points may exist between moving compo­nents. Death or serious injury can result from be­coming trapped between components. Stand clear of moving components while test operating the machine.
3. Slowly turn the knob (refer to Figure 7.16) to open the bleed down valve. The boom should slowly lower by gravity.
Emergency
Lowering Knob
Figure 7.16 – Emergency Lowering Knob
Level Sensor
Figure 7.17 – Level Sensor
5. Pull the level sensor to the side as far as possible to activate the tilt alarm.
AWarning
The potential for an accident increases when safety devices do not function properly. Death or serious injury can result from such accidents. Do not alter, disable, or override any safety device.
6. If the alarm does not sound, remove the machine from service until the problem is corrected.
7. Lower the main boom.
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Chapter 7 – Prestart Inspection
Flashing Light
If the machine is equipped with an optional flashing light, visually check to see that it flashes. The light should flash when the engine is running.
Sandblast Protection Kit
The optional sandblast protection kit protects the cylin­ders from abrasion while sandblasting or from paint overspray. Rubber covers protect each cylinder rod as it extends and retracts. The covers prevent sand and paint from damaging the cylinder seals and rod.
Inspect the covers while operating the machine to ensure they are securely fastened and completely cover the cyl­inder rod. Make sure there are no holes in the covers.
Structures
Visually inspect all weldments and related components. It is important to inspect the fasteners that connect the components.
Weldments
Visually inspect all weldments for abnormal wear, abra­sion, or deformation that could cause interference between moving parts.
Use the lower controls to raise the main boom to hori­zontal. Extend the tip boom about 1′ (30 cm). Visually inspect the slide pads to make sure they are in place and are not obviously loose.
Inspect the surface where the pads contact the interme­diate and tip booms. The paint must be in place with no signs of bare metal.
The extension cylinder support bracket has slide pads (refer to Figure 7.19) that can be inspected by looking into the base end of the main boom.
Slide Pads
Wire Ropes
Inspect the welds on the structural components. Pay particular attention to boom welds. The area to be in­spected should be clean and free of dirt and grease. Look for visible cracks in the weld and at the weld to parent material joint. A bright light may be used to provide ad­equate visibility of the inspection area.
Slide Pads
The main boom has slide pads (refer to Figure 7.18) be­tween the main and tip boom sections.
Slide Pads
Slide Pads
Figure 7.19 – Extension Cylinder Support Bracket
Inspect the surface where the pads contact the main boom. The paint must be in place with no signs of bare metal.
Wire Ropes
Visually inspect the wire ropes where they are connected to the outside of the main boom. There are two wire rope connections on the bottom of the tip end of the main boom (refer to Figure 7.20).
Wire Ropes
Figure 7.18 – Slide Pads at Tip End of Boom
Figure 7.20 – Bottom of Main Boom at Tip End
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Chapter 7 – Prestart Inspection
There is a wire rope connection on each side of the base end of the boom (refer to Figure 7.21).
Wire Rope
Figure 7.21 – Base End of Main Boom
Also inspect the wire ropes just inside the base end of the main boom (refer to Figure 7.19).
Fasteners
Visually inspect all fasteners to see that none are miss­ing or loose.
Pay particular attention to all of the bolts, nuts, rollpins, collars, and snap rings that connect the booms and cyl­inders. They should all be present, tight, and not dam­aged in any way.
Raise the main boom to access the rotation bearing bolts in the turntable (refer to Figure 7.22).
Upper Control Station
Inspect the platform and upper controls only if all func­tions operated properly from the lower controls.
Guardrail System
The guardrail system (refer to Figure 7.23) includes the top rail, mid rail, toeboards and a gravity gate or optional swinging gate.
Top Rail
Gravity
Gate
Platform Foot
Switch
Figure 7.23 – Guardrail System
Inspect all components of the guardrail system. The rails and toeboards must all be in place and free of any dam­age or deformation. Visually check the rail and toeboard welds for cracks. All bolts and nuts fastening the plat­form in place must be present and not show any signs of looseness.
Inspect the gravity gate to be sure it is present, is not damaged, and moves freely.
Lanyard Anchors
Mid Rail
Toeboard
Rotation Bearing Bolts
Figure 7.22 – Rotation Bearing Bolts
Inspect the rotation bearing bolts to ensure that none are missing, damaged, or loose.
Inspect the optional swinging gate to see that it swings freely, closes firmly, and is not deformed in any way. Make sure the spring closes and secures the gate when the gate is closed.
Lanyard Anchors
There are two lanyard anchors below the upper control panel (refer to Figure 7.23).
Visually inspect the lanyard anchors to make sure they are in place, are not deformed and are securely fastened to the platform.
Operating Controls
Use the following procedure to operate the machine from the upper controls.
1. Turn the battery disconnect switch on.
2. At the lower controls, place the emergency stop switch and the master switch in the on position. Place the controls switch in the platform position.
3. At the upper controls (refer to Figure 7.24), pull the emergency stop button outward.
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Chapter 7 – Prestart Inspection
Drive
Range
Engine Throttle
Jib Switch
Boom Joystick
Emergency
Stop
Boom Extend/
Retract Joystick
Platform Level
Engine/Emergency
Power
Platform
Rotate
Drive Joystick
Figure 7.24 – Upper Controls
4. Turn the master start switch on the front of the upper control panel to start until the engine starts, then release it.
5. Let the engine warm to operating temperature.
ADanger
Pinch points may exist between moving compo­nents. Death or serious injury can result from be­coming trapped between components, buildings, structures, or other obstacles. Make sure all person­nel stand clear of the aerial platform while perform­ing the prestart inspection.
Horn
Press the horn button (refer to Figure 7.25) to ensure that it sounds to warn personnel in the area.
Horn Button
Figure 7.25 – Right Side of Upper Control Panel
Electrical Power Outlet
Connect a source of 125 volt AC power to the power-input connector on the left side of the wiring box (refer to Fig­ure 7.26).
6. Test the platform foot switch by moving a boom func­tion control without stepping on the foot switch. If movement occurs the interlock is not functioning prop­erly. Do not operate the machine until the problem is corrected.
7. Test the operation of each control in both directions from the upper controls.
8. The drive range switch and maximum travel speeds are interlocked through a limit switch on the turn­table that senses the main boom position. When the main boom is raised approximately 8 (2.4 m) the machine should travel in low speed only. To operate in high speed the booms must be stowed.
Emergency Stop
Push the emergency stop button in to turn off the engine. The upper control functions should not operate with the emergency stop in this position.
Emergency Power
Pull the emergency stop button up and place the anti­restart master switch in the on position.
Hold the engine/emergency power switch in the emer­gency power position and step on the platform foot switch to operate the aerial platform from the upper controls us­ing the emergency power system.
Power-Input
Connector
Figure 7.26 – Wiring Box
Some machines may have an electrical cable already plugged into the outlet on the lower control panel. In that case, power is supplied by an optional AC generator. An external power source is not required.
With the engine running, place the machine/generator control (refer to Figure 7.27) in the generator position to provide electrical power to the two electrical outlets at the platform and to the outlet on the end of the generator housing.
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Chapter 7 – Prestart Inspection
Drive Motion Alarm
The machine may be equipped with an optional drive motion alarm. Drive in both the forward and reverse direc­tions to ensure that the alarm sounds to warn personnel in the area that the aerial platform is in motion.
Machine/Generator Switch
Figure 7.27 – Upper Control Panel Front
Plug an electrical tool into the receptacle at the platform and at the generator and try to operate the tool to verify proper operation of the outlet.
The outlet is equipped with a ground fault circuit inter­rupter (GFCI). Use the following procedure to test the GFCI.
1. Push the test button (refer to Figure 7.28).
Reset Button
Test Button
Driving and Work Lights
The machine may be equipped with driving lights and/or platform work lights. Turn the engine on and use the switch on the back of each light to momentarily turn it on to see that it works.
Platform Control Cover
The machine may be equipped with an optional platform control cover. Inspect the cover to ensure it fits properly over the control panel.
Tow Kit
The machine may be equipped with an optional tow kit. Inspect the tow bar and steering arm to verify the compo­nents are present and in working condition.
Placards and Decals
Inspect all safety and operational placards and decals. Make certain they are in place, in good condition, and are legible.
The placards and decals may be cleaned with soap and water, and a soft cloth if the words or pictures cannot be seen.
ACaution
Solvents may contain hazardous ingredients. Fol­low the manufacturer’s label for proper use and dis­posal. Wear protective gloves and splash-proof safety glasses when using solvents.
Wet paint overspray may be removed using a natural bio­degradable solvent and a soft cloth.
Figure 7.28 – Electrical Power Outlet
2. Plug an electrical tool into the outlet and verify the power is off.
• If the power was off, push the reset button to restore power.
• If the power was on, repair or replace the recep­tacle.
40 TB80/TB85J – 0112477
Replace any missing or illegible placards or decals be­fore operating the aerial platform. Placard and decal kits are available from Snorkel.
The safety related placards and decals are illustrated on the following pages.
Page 45
Chapter 7 – Prestart Inspection
0074311
0323896
Right Side
0074311
(One per Cylinder)
0323896
0070901
0323897
0323896
0323897
0323896
0070901
TB80/TB85J – 0112477 41
Page 46
Chapter 7 – Prestart Inspection
0190989
DANGER
DO NOT REACH THROUGH HOLES.
0190989
0190989
0081441
(Dual Fuel or LPG Only
Inside Door)
0073298
0082160
(Tow Option Only)
Right Side
0082203
(Tow Option Only)
0082203
0081441
CRUSHING HAZARD
DEATH
OR SERIOUS INJURY CAN RESULT FROM BEING CRUSHED BETW EEN COUN TERWE IGHT AND TOW VE HICL E.
DO NOT
ATTEMPT TO ATTACH TOW BAR TO TOW VEHICLE UNLES S SNORKELI FT COUNTERWEIGHT IS TO SIDE OF CHASSIS.
0082203
0082160
MACHINE TIPOVER HAZARD
DEATH
or serious injury can result if machine tips over.
This machine is equipped with foam filled or solid tires, wheel weight is crit ical for stabilit y.
To prevent machine tip over, replace tires with factory approved foam filled or solid tires ONLY.
DO NOT
attempt to inflate foam filled or solid tires.
0073298
0073298
42 TB80/TB85J – 0112477
Page 47
Chapter 7 – Prestart Inspection
0323896
Turning battery disconnect switch off while engine is running will damage engine governor.
0074316
0074316
0074316
(Ford Engine Only Inside Door)
0323896
0323896
0073298
0082164
(Tow Option Only)
Left Side
0323899
0082164
0323899
MACHINE TIPOVER HAZARD
DEATH
or serious injury can result if machine tips over.
This machine is equipped with foam filled or solid tires, wheel weight is critical for stability.
To prevent machine tip over, replace tires with factory approved foam filled or solid tires ONLY.
attempt to inflate foam filled or solid tires.
DO NOT
0073298
TB80/TB85J – 0112477 43
0073298
Page 48
Chapter 7 – Prestart Inspection
0110708
451986
Rear
Front
Top View Of Chassis
0151410
Radiator – Ford and Cummins
DANGER
DO NOT ALTER OR DISABLE
LIMIT SWITCHES, SAFETY
SWITCHES, OR INTERLOCKS.
451986
EXTEND
AXLES
RETRACT LOWER
DANGER
CRUSHING HAZARD. Be certain area under jack shoe plate is unobstructed and can support rear axle weight.
RAISE
0110708
451986
0110708
0151410
0151410
Ford Engine – Left Side
44 TB80/TB85J – 0112477
Page 49
Chapter 7 – Prestart Inspection
0072531
0110959
(TB80 Only)
0072531
0112551
(TB85J Only)
(Platform Welder Option Only)
0083985
Platform
Death or serious injury can result from not complying to the following safety rules.
Do not operate this machine unless you are a qualified operator and have read and thoroughly understand all information given in the Operato r's Ma nual and on DAN GER and C AUTIO N signs on this machin e.
Maintain 10 feet minimum clearance from electrical power lines and apparatus. This machine is NOT electrically insulated.
Do not e xceed t he unres trict ed plat form ca pacity s hown on the p latform . Do not operate this machine on soft or unstable ground. Operate this machine only on a flat level surface.
Death or serious in jury can result from not co mplying to the following safety rules.
Do not o perate t his mac hine un less yo u are a qualif ied op erator a nd have read and thoroughly understand all information given in the Operator's Manual and on DANGER and CAUTION signs on this machine.
Maintai n 10 fee t minim um cle arance from el ectri cal po wer line s and apparatus. This machine is NOT electrically insulated.
Do not exceed the unrestricted platform capacity shown on the platform. Do not operate t his m achin e on soft o r uns table gr ound. Operat e this m achine only on a flat level surface.
0083985
HILOHI
LO
DRIVE
ENGINE
RANGE
THROTTLE
UP
CCW
CW
BOOM
DN
0110959
HILOHI
LO
ENGINE
DRIVE
THROTTLE
RANGE
UP
JIB CW
DOWN
UP
BOOM
CCW
CW
DOWN
EMERGENCY
STOP
PUSH TO
STOP
RETRACT
EXTEND
EMERGENCY
STOP
PUSH TO
STOP
RETRACT
EXTEND
0112551
UPDNON
PLATFORM
LEVEL
FORWARD
LEFT
REVERSE
UP
DOWNONON
PLATFORM
LEVEL
PLATFORM
ROTATE
LEFT
Perform the D AILY INSPECTIO N & MAINTENAN CE, listed in the Operator's Manual, prior to each work shift.
All platfo rm occupant s MUST wear fall rest raint attach ed to lanyard anchor points provided.
ENGINE
In case o f emergency, depress button, pull ou t to r eset . Do not use boom to lift or push this machine. Move FORWARD/REVERSE controller slowly and deliberately to avoid jerky and erratic platform movement.
ON
EMERGENCY
POWER
RIGHT
DRIVE
Perform the DAILY INSPECTION & MAINTENANCE, listed in the Op erator' s Manu al, prior t o each work shift.
All platfo rm occupants MUS T wear fall restra int attache d to lanyard a nchor points pr ovided .
ENGINE
In case of em ergency, de press button, pull out to reset. Do not use boo m to lift or push this machine . Move FORWARD/REVERSE controller slowly and delibe rately to avoi d jerky and er ratic pla tform movem ent.
EMERG ENCY
POWER
CCW
FORWARD
DRIVE
RIGHT
REVERSE
CAUTION
EMERGENCY STOP
0110959
CAUTION
EMERGENCY STOP
0112551
DANGER
0072530
0083988
(Platform Welder Option Only)
TB80/TB85J – 0112477 45
ELECTROCUTION HAZARD
THIS MACHINE IS NOT ELECTRICALLY INSULATED
Maintain 10 feet minimu m clearance from electrical p ower lines and apparatus. You must allow for platform sway, rock, or sag.
This aerial device doe s not provide protection fro m contact with or proximity to an electrically char ged conductor.
Death or serious injur y will result from such contact or in adequate clearance.
0072530
0083988
0072530
Page 50
Chapter 7 – Prestart Inspection
Prestart Inspection Checklist
Item Inspect For Ok Operator’s Manual In manual holder
Engine
Oil le vel Between full and add marks Coolant Liquid cooled engines-proper fluid level
Air cooled engines-air intake and fan free
of obstructions/belt in good condition Radiator Cap tight, good condition and clean Fuel tank and line Tank full, cap in place and tight/no leaks Air filter Green indicator Charging system Proper operation Cold weather start kit No damage or deformation
Electrical System
Emergency power battery Condition and charged for proper operation Battery fluid level and terminals Proper level/clean, connectors tight Cables and wiring harness No wear or physical damage
Hydraulic System
Fluid level Between full and add marks Fluid filter Verify operation in the green zone Hoses, tubes, and fittings No leaks Cold weather warm-up kit Proper operation
Tires and Wheels Good condition Lower Control Station
Axle/boom interlock Proper operation Operating controls Proper operation Emergency stop and emergency power Shuts off lower controls/proper operation
Emergency Lowering Proper operation Level Sensor Sounds tilt alarm Flashing Light Proper operation Sandblast Protection Kit In place and proper operation Structures
Weldments Welds intact, no damage or deformation Slide pads In place, no damage or deformation Fasteners In place and tight Wire ropes No deformation or broken strands
Upper Control Station
Guardrail system and lanyard anchors Welds intact, no damage or deformation Operating controls Proper operation Emergency stop and emergency power Shuts off upper controls/proper operation Horn Sounds when activated Electrical power outlet Proper operation Drive motion alarm Sounds when aerial platform moves Driving and work lights Proper operation Platform control cover In place and proper operation
T ow Kit In place, no damage or deformation Placards and Decals In place and readable
46 TB80/TB85J – 0112477
Page 51
Chapter 8 – Operation
The aerial platform may be operated from either the lower or upper controls.
ADanger
The aerial platform is not electrically insulated. Death or serious injury can result from contact with, or inadequate clearance from, an energized con­ductor. Do not go closer than the minimum safe ap­proach distance as defined by ANSI.
Pinch points may exist between moving compo­nents. Death or serious injury can result from be­coming trapped between components, buildings, structures, or other obstacles. Make sure there is sufficient clearance around the machine before moving the chassis, booms, or platform. Allow suffi­cient room and time to stop movement to avoid con­tact with structures or other hazards.
The aerial platform can tip over if it becomes un­stable. Death or serious injury can result from a tip­over accident. Operate the aerial platform on a firm, flat, level surface. Avoid travel speeds and/or rough terrain that could cause sudden changes in platform position. Do not drive or position the aerial platform for elevated use near any drop-off, hole, slope, soft or uneven ground, or other tip-over hazard.
The platform rated work load is the total weight of the personnel and equipment that may be lifted in the plat­form. The work loads are stated on the platform rating placard mounted at the rear of the platform.
ADanger
The aerial platform can tip over if it becomes un­stable. Death or serious injury can result from a tip­over accident. Do not exceed the capacity values indicated on the platform rating placard.
Capacity values indicate the rated lifting capacity and do not indicate aerial platform stability .
The operator bears ultimate responsibility for ensuring that the aerial platform is properly set up for the particular conditions encountered.
Cold Weather Start-Up
If the ambient temperature is 32°F (0°C) or below, the engine and hydraulic system oil may need to be warmed before operation. Do not operate the engine at more than a fast idle until the engine and hydraulic oil has had a chance to warm. The engine may be equipped with an optional cold weather start kit.
Cold, thick hydraulic oil does not flow well and may cause delay in response to control movement and improper volt­age output of the AC generator. Cold hydraulic oil may also cause cavitation and pump damage. The hydraulic
system may be equipped with an optional cold weather warm-up kit.
Engine Cold Weather Start Kit
The optional engine cold weather start kit may be an engine block heater or a manifold air pre-heater. The type of starting assist system depends on the engine manu­facturer.
The last two letters of the model number stamped on the serial number placard indicates the engine manufacturer (refer to Figure 8.1). The serial number placard is mounted on the front of the turntable.
Last Two Letters of Model Number
CU
FO DZ CO Continental Engine block heater
Figure 8.1 – Engine Manufacturer/Start System
Refer to the engine manufacturer below for specific cold weather start-up information for that particular engine type and cold weather start system.
Cummins, Ford, and Continental — Block Heater
Plug the heater cord into a 125 Volt AC, 600 watt source eight hours before starting the engine. The heater will warm the engine block to make cold weather starting easier.
Unplug the power cord before starting the engine.
Cummins — Ether Injection
Some Cummins engines may have an either injection system instead of a block heater. Either injection should only be used to start a cold engine when the ambient temperature is below 32°F (0°C).
Make sure there is a can of ether installed in the holder, in the engine compartment on the right side of the ma­chine. Use the following procedure to install a can of ether as necessary:
1. Place the battery disconnect switch in the off posi­tion.
2. Unscrew the holding cup.
3. Place a new can of ether in the cup.
4. Screw the holding cup firmly into position.
5. Place the battery disconnect switch in the on posi­tion.
Engine
Manufacturer
Cummins
Ford
Deutz
Cold Weather
Start System
Engine block heater or ether injection
Engine block heater
Manifold air inlet heater
TB80/TB85J – 0112477 47
Page 52
Chapter 8 – Operation
Activate the toggle switch while the start switch is in the start position to inject a measured amount of ether into the intake manifold.
Note Do not crank the engine longer than 20 seconds. If the engine does not start wait for two minutes before trying to start the engine again.
Deutz — Manifold Preheater
At the lower controls, hold the manifold heater switch on for about a minute before starting the engine. A glow plug in the manifold preheats the air to help start the engine. Continue to hold the switch while starting the engine. Do not release the switch until the engine starts.
If the engine does not start within 20 seconds, continue to hold the manifold heater switch and turn the start switch off. Wait for one minute before trying to start the engine again.
Hydraulic System Cold Weather Warm-Up
Some engines may have a hydraulic fluid warm-up sys­tem that will automatically warm the fluid upon activating the warm-up switch. The hydraulic fluid may also be warmed manually if the machine is not equipped with the optional warm-up system.
2. From the same control station that the engine was started, place the warm-up switch in the on position.
3. After the hydraulic fluid reaches 50°F (10°C) as indi­cated on the thermometer, place the warm-up switch in the off position.
Manually Warming The Hydraulic System
The hydraulic oil may be warmed by bottoming out the boom extension cylinder. Raise the main boom so it is horizontal and operate the boom retract function while the machine is stowed. With the cylinder bottomed out the oil flow will produce heat to warm the hydraulic oil.
ACaution
Not all hydraulic fluid is suitable to use in the hy­draulic system. Some have poor lubricating charac­teristics and can increase component wear. Only use hydraulic fluid as recommended.
Use cold weather hydraulic oil as recommended in the machine General Specifications in temperatures of 10°F (0°C) or below.
Preparing for Operation
Use the following procedure to prepare the aerial platform for operation.
ACaution
Not all hydraulic fluid is suitable to use in the hy­draulic system. Some have poor lubricating char­acteristics and can increase component wear. Only use hydraulic fluid as recommended.
Use cold weather hydraulic oil as recommended in the machine General Specifications in temperatures of 10°F (0°C) or below.
Hydraulic System Warm-up Switch
This system may be used to warm the hydraulic fluid when the ambient temperature is below 32°F (0°C) and boom movement is sluggish because of cold fluid.
There may be a toggle switch for the warm-up system on the lower control panel and/or one on the left side of the upper control panel.
The engine must be running and the switch used to turn the system on must be at the same location that the engine was started. For example, if the engine was started from the lower controls, the warm-up switch at the lower controls must be used for the system to operate.
T o operate the warm-up system:
1. Perform a prestart inspection as described in Chap­ter 7.
2. Place the battery disconnect switch in the on posi­tion.
3. Close and latch the doors.
4. Before painting or sandblasting make sure the sand­blast protection kit and the platform control cover are properly installed. These options, when used prop­erly will protect the control placards and cylinder rods from paint overspray and abrasion while sandblast­ing.
Lower Controls
The lower controls override the upper controls. This means that the lower controls can always be used to operate the platform regardless of the position of the upper control emergency stop button.
Boom, turntable, and platform functions may be operated from the lower controls. Boom elevation and extension is limited when the rear axles are retracted. The lower con­trols may be used for initial set up of the aerial platform, and for testing and inspection.
1. Start the engine and place the engine throttle in the low position.
48 TB80/TB85J – 0112477
Use the following procedure to operate boom, turntable, or platform functions using the lower controls.
Page 53
Chapter 8 – Operation
1. On dual fuel machines, set the fuel switch to either LPG or gasoline.
2. Open the shut-off valve on the tank if using LPG .
3. Place the emergency stop switch (refer to Figure 8.2) in the on position and place the controls switch in the ground position.
Boom/Axle
Switch
Engine/Emergency Emergency Stop Button
Start Switch
Power Switch
Ground Operation
Switch
Axle Controls
To raise the boom above horizontal and to extend the boom fully , while operating from either the lower or upper controls, the rear axles must be extended and properly locked into position.
The machine can be driven from the upper controls with the axles extended or retracted.
Extending The Rear Axles
1. With the machine set up for operation from the lower controls, place the boom/axle switch (refer to Figure
8.2) in the axle position.
ADanger
Make sure the area under the jack shoe is unob­structed and can support the weight of the axles. Use support such as an outrigger pad under the jack shoe if necessary to increase the support area.
2. Hold the jack lever (refer to Figure 8.3) in the raise position until the rear wheels are off the ground and the jack has stopped lifting the chassis.
Axle Lever
Jack Lever
Figure 8.2 – Lower Controls
4. Turn the start switch to on and pause a few seconds while the alarm sounds to alert others that the ma­chine is about to start. Turn the switch to start, then release it to on. The engine will not start if the switch is left in the on position for 30 seconds or longer before turning it to start. The switch must be turned back to off before the engine will start.
5. Let the engine warm to operating temperature.
6. Place the boom/axle switch in the axle position to operate the rear axles and in the boom position to operate the boom and turntable functions.
7. Hold the ground operation switch in the on position while operating the boom and turntable control toggle switches.
8. Hold the appropriate toggle switch in the desired di­rection.
9. Release the function toggle switch to stop movement.
10. Place the ground operation switch in the off position when no functions are being operated.
Figure 8.3 – Axle Controls
3. Remove the pin lock and pin (refer to Figure 8.4) from the upper hole in the chassis.
Pin Lock
Pin
Figure 8.4 – Rear of Chassis
TB80/TB85J – 0112477 49
Page 54
Chapter 8 – Operation
Note It may be necessary to cycle the axle lever back and forth, to relieve pressure on the pin, while twisting the pin to remove it.
4. Hold the axle lever (refer to Figure 8.3) in the extend position until the axles stop extending.
Note Only one axle will extend at a time. They do not both extend at the same time.
5. Fully install the pin in the lower hole in the chassis (refer to Figure 8.5) and install the pin lock through the pin and the lip around the hole.
Note It may be necessary to cycle the axle lever back and forth, to align the holes inside the chassis, while pushing the pin into position.
Upper Controls
The upper controls may be used for driving the aerial plat­form and positioning the booms and platform while on the job.
Use the following procedure to operate machine func­tions using the upper controls.
1. At the lower controls, place the emergency stop switch in the on position and turn the start switch on. Place the controls switch in the platform position.
2. On dual fuel machines, set the fuel switch to either LPG or gasoline.
3. Open the shut-off valve on the tank if using LPG .
4. Enter the platform and securely close the gate.
5. Attach the fall restraint lanyard to one of the anchor points.
6. Pull the emergency stop outward (refer to Figure 8.6).
Pin Lock
Pin
Figure 8.5 – Axles Extended and Pinned
6. Hold the jack lever in the lower position until the rear wheels are on the ground and the jack has stopped retracting.
Retracting The Rear Axles
The axles can be retracted by basically reversing the above procedure.
ADanger
The aerial platform can tip over if it becomes un­stable. Death or serious injury can result from a tip­over accident. In the event of a system malfunction, do not retract the axles while the booms are el­evated.
Emergency Stop Button
Top
Master Start Switch
The booms must be completely retracted and lowered before retracting the rear axles.
Front
Figure 8.6 – Upper Controls
50 TB80/TB85J – 0112477
Page 55
Chapter 8 – Operation
7. Turn the anti-restart master switch to on and pause a few seconds while the alarm sounds to alert others that the machine is about to start. Turn the switch to start, then release it to on. The engine will not start if the switch is left in the on position for 30 seconds or longer before turning it to start. The switch must be turned back to off before the engine will start.
8. Let the engine warm to operating temperature.
Boom Operation
Use the following procedure to operate the turntable, boom, or platform functions.
1. Turn the boom speed knob to slow.
2. Step down on the platform foot switch (refer to Figure
8.7). This switch must be held down to operate the upper controls.
Lanyard Anchors
A 25 percent grade is a 30 (0.76 m) vertical rise in 10 (3.05 m) horizontal length.
A 30 percent grade is a 36 (0.91 m) vertical rise in 10 (3.05 m) horizontal length.
Avoid driving with the platform over the front (steer) end of the chassis. In this position the machine is difficult to control because:
• drive and steer control movements and their result­ing machine movements are reversed.
• when driving fast, sudden turns or stops produce more severe reactions to platform occupants.
• more turning space is required to prevent the plat­form from colliding with obstacles several feet be­yond the path of the tires.
AWarning
Death or serious injury can result from improperly driving or steering the aerial platform. Read and understand the information in this manual and on the placards and decals on the machine before op­erating the aerial platform on the job.
Platform Foot Switch
Figure 8.7 – Platform
3. Hold the appropriate control in the desired direction. Always look in the direction of movement.
4. Releasing the control to its neutral position, or re­leasing the foot switch will stop movement.
Driving and Steering
ADanger
The aerial platform can tip over if it becomes un­stable. Death or serious injury can result from a tip­over accident. Do not drive an elevated aerial plat­form on soft, uneven, or sloping surfaces. Do not drive two wheel drive machines on grades that ex­ceed 25 percent or four wheel drive machines on grades that exceed 30 percent.
For operation of two wheel drive machines on grades up to 25 percent, or four wheel drive machines on grades up to 30 percent, it is recommended that the main boom be near horizontal and the jib on TB85J machines elevated just enough to provide adequate ground clearance.
The blue and yellow arrows on the chassis indicate the direction the chassis will move when the drive or steer control is moved toward the corresponding color.
When the machine is in the stowed position, with the booms centered between the rear wheels, the direction of drive and steer control movement corresponds with the direction of chassis movement.
When the turntable is rotated from the stowed position, with the booms to either side of or in front of the chassis, the direction of control movement does not correspond with the direction of chassis movement.
T o avoid confusion, always drive to the work area or move between work areas with the turntable and booms in the stowed position. Af ter arriving at the work area, the booms may be positioned to the side or the front of the chassis for final positioning. Always look in the direction of move­ment as indicated by the directional arrows on the chas­sis.
Use the following procedure to operate the drive and steer functions.
1. Determine the desired drive range for the specific driv­ing conditions.
• Use high range when traveling across firm, flat,
level surfaces. High range can only be activated when the booms are stowed. High range is for high speed, low torque operation.
TB80/TB85J – 0112477 51
Page 56
Chapter 8 – Operation
• Use low range for driving on loading ramps or other steep grades and when safety considerations de­mand slow deliberate machine movement. Low range is for low speed, high torque operation.
2. Step down on the platform foot switch.
3. Push the drive joystick forward to move the chassis forward, the direction of the blue arrow. Pull the joy­stick backward to move the chassis backward, the direction of the yellow arrow. The drive speed is pro­portional to the joystick position.
4. T o stop drive motion, return the joystick to neutral.
5. Push the drive joystick to the right to steer to the right, the direction of the yellow arrow. Push the joy­stick to the left to steer to the left, the direction of the blue arrow.
Note The steering wheels are not self-centering. Set the steer­ing wheels straight ahead after completing a turn.
6. After driving to the desired location, release the foot switch, or push the emergency stop button to apply the parking brakes.
Four Wheel Drive
The machine may be equipped with a four wheel drive system. This system operates full time and requires no action by the operator.
Four wheel drive machines have a “4x4” decal on each side of the machine and all four of the wheel hubs are drive hubs and look the same.
High Range Speed Selector
The high range speed selector (refer to Figure 8.8), on four-wheel drive machines, works in conjunction with the drive range switch to determine the maximum drive speed when the drive range selector is in the HI position. LO drive range speed is not affected by the high range speed selector.
High Range Speed Selector
Drive Speeds
The drive speed is proportional to the joystick position. The farther the joystick is moved, the faster the travel speed.
Always slow down and shift the drive system to low range before traveling over rough terrain or any sloped surface.
Drive speed ranges are interlocked through a limit switch that senses the main boom position. When the boom is elevated, only the slowest drive speed will work regard­less of the drive range switch position. T o avoid a sudden speed change from high to low elevated boom speed, always bring the machine to a stop before raising the booms from the stowed position.
AWarning
The potential for an accident increases when safety devices do not function properly. Death or serious injury can result from such accidents. Do not alter, disable, or override any safety device.
Do not use the aerial platform if it drives faster than 0.75 miles per hour (33 feet in 30 seconds) when the booms are elevated from the stowed position.
Motion Warning Alarm
The motion warning alarm sounds loud intermittent beeps when the drive joystick is in the forward or reverse posi­tion.
Figure 8.8 – T op of Chassis
For maximum drive speed, 3.0 mph (4.8 km/h) with low gradeability, pull the knob upward and rotate it 90 de­grees to lock it in position.
For slower drive speed, 1.5 mph (2.4 km/h) with higher gradeability, pull the knob upward and rotate it 90 de­grees to lock it in position.
Electrical Power Outlet
The electrical outlet at the platform has 2, 3-prong, 125 volt AC electrical connectors. Their combined output is limited by a 15 amp circuit breaker.
Power may be supplied to the outlet using an external power source or by operating the optional AC generator .
T o use the outlet, plug a source of power into the power­input connector on the left side of the wiring box (refer to Figure 8.9). Unplug the source of power before moving the aerial platform.
52 TB80/TB85J – 0112477
Page 57
Chapter 8 – Operation
The engine will run at high idle while the generator is operating. The generator will continue to operate as long as the engine is running and the switch is in the genera­tor position.
Power-Input
Connector
Figure 8.9 – Wiring Box
AC Generator
The generator supplies power to the electrical outlet only when the engine is running and the machine is station­ary. The machine functions will not operate when the machine/generator selector switch is in the generator position.
ACaution
Cold hydraulic oil does not flow well and may pro­duce improper generator output voltage. Improper outlet voltage can damage some electrical power tools and equipment. Warm the hydraulic oil be­fore operating the generator.
Do not operate the generator unless the hydraulic oil tem­perature is at least 100°F (38°C). Refer to Cold Weather St art-Up for a hydraulic oil warm-up procedure.
Use the following procedure to supply power to the elec­trical power outlet if the machine is equipped with the optional generator.
1. Plug the generator cord into the outlet on the left side of the wiring box (refer to Figure 8.9).
Dual Fuel
The dual fuel switch is located on the front of the lower control panel.
Before starting the engine, place the fuel switch in the gasoline or the LPG position. Open the shut-off valve on the LPG gas tank if using LPG. Always keep the LPG tank shut-off valve closed when not using LPG .
T o switch from gasoline to LPG with the engine running:
1. Open the shut-off valve on the LPG tank.
2. Place the fuel switch in the LPG position. T o switch from LPG to gasoline with the engine running:
1. Place the fuel switch in the gasoline position.
2. Close the shut-off valve on the LPG tank.
Air Line
The optional air line may be used to conduct air for tool operation at the platform. The input connector is at the rear of the chassis and the output connector is at the platform on the rotator guard. The maximum working pres­sure of the line is 250 psi (1,723 kPa).
The air line may be used to conduct fluids such as water or antifreeze. Contact Snorkel for compatibility informa­tion before using the air line to conduct other fluids.
ACaution
Fluid in the air line can damage some air tools or freeze and damage the line. Drain and blow out the air line after using it to conduct fluids.
2. Start the engine and place the machine/generator switch (refer to Figure 8.10) in the generator posi­tion.
Machine/Generator Switch
Figure 8.10 – Upper Control Panel Front
TB80/TB85J – 0112477 53
Use the following procedure to drain the air line.
1. Close the input connector on the chassis.
2. Open the output connector at the platform.
3. Raise the boom slightly above horizontal.
4. Open the input connector on the chassis.
5. Allow the fluid to drain from the line.
6. Lower the boom and close both connections.
Page 58
Chapter 8 – Operation
Driving Lights
The optional driving lights are for use in dimly lit areas and are not intended for driving on public roadways. There are two headlights at the front of the chassis and two blinking taillights at the rear of the chassis.
The lights are operational when the machine is set up for operation from the upper controls and the light switch is turned on (refer to Figure 8.1 1).
Light Switch
Figure 8.11 – Upper Controls
Platform Work Lights
The optional platform work lights are located on the top rail of the platform next to the upper controls (refer to Figure 8.12). The direction a light points can be adjusted by using two 1/2″ wrenches to loosen the clamp below the light.
Figure 8.12 – Upper Controls
The lights are operational when the machine is set up for operation from the upper controls.
If the engine is running, the idle speed increases when the driving lights are turned on.
Note Working with the driving or platform work lights on, while the engine is off, can discharge the batteries enough that the engine will not start or the emergency power sys­tem will not operate. If the engine cannot be left running while the lights are on, start and run the engine for at least 15 minutes each hour.
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Chapter 9 – Stowing and Transporting
T o prevent unauthorized use and damage, properly stow the aerial platform at the end of each work day. It must also be properly stowed while transporting.
Stowing
The properly stowed position is shown in Figure 9.1.
TB80
TB85J
Figure 9.1 – Stowed Position
T ucked Stow – TB85J
The platform may be tucked underneath the main boom to reduce the overall length of the machine when it is stowed for an extended period of time or for transporting.
The tucked stow position is shown in Figure 9.2.
Figure 9.2 – T ucked S towed Position
Use the following procedure to stow the platform in the tucked position using the lower controls.
1. Rotate the platform so it is perpendicular to the end of the boom.
2. Fully retract the tip boom and then raise the main boom slightly above horizontal.
Use the following procedure to properly stow the aerial platform.
1. Rotate the platform so it is perpendicular to the end of the boom.
2. Fully retract and lower the main boom.
3. Center the booms between the rear wheels.
4. If the engine has just been under load and is hot, set the throttle switch to low and let the engine idle for five minutes.
5. Turn the start switch off and place the platform con­trol cover over the upper controls if the machine is equipped with that option.
6. Turn the lower controls emergency stop and the start switch off and remove the key .
7. Turn the battery disconnect switch off.
8. On dual fuel machines, close the shut-off valve on the LPG tank.
9. Close and latch the cowling doors.
3. Operate the platform level switch in the down posi­tion to tuck the platform beneath the main boom. Watch the position of the platform to make sure it does not contact the ground surface. It may be nec­essary to slightly raise the main boom to prevent the platform from contacting the ground
4. Center the booms between the rear wheels.
5. If the engine has just been under load and is hot, set the throttle switch to low and let the engine idle for five minutes.
6. Place the lower controls emergency stop and the start switch in the off position and remove the key .
7. Turn the battery disconnect switch off.
8. Close and latch the cowling doors.
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Chapter 9 – Stowing and T ransporting
Transporting
The aerial platform may be moved on a transport vehicle. Depending on the particular situation, the aerial platform may be driven, winched, or hoisted onto a vehicle such as a truck or trailer. Driving is the preferred method.
ADanger
The aerial platform can tip over if it becomes un­stable. Death or serious injury can result from a tip­over accident. Do not drive on ramps that exceed 25 percent grade, or where conditions of the ramp could cause driving to be hazardous.
Drive the aerial platform onto the transport vehicle if the ramp incline is within the 25 percent grade capability of two wheel drive machines, or 30 percent grace capability of four wheel drive machines.
A 25 percent grade is a 30 (0.76 m) vertical rise in 10 (3.05 m) horizontal length.
A 30 percent grade is a 36 (0.91 m) vertical rise in 10 (3.05 m) horizontal length.
Use a winch to load and unload the aerial platform on ramps that exceed the grade capability of the machine. A winch may also be used when conditions of the ramp could cause driving to be hazardous.
5. Rotate the platform so it is perpendicular to the boom.
6. Retract the tip boom and raise the main boom or jib so it is horizontal.
7. Rotate the turntable slightly to the side so you can see the front wheels.
8. Verify that the machine wheels, loading ramps, and transport vehicle are aligned.
ADanger
The aerial platform can tip over if it becomes un­stable. Death or serious injury can result from a tip­over accident. Set the drive range to low before driving up or down a grade.
9. Place the drive range switch in the low position.
10. Drive the aerial platform onto the transport vehicle in a straight line through the grade transitions with mini­mal turning.
1 1. Rotate the turntable to align the main boom between
the rear wheels.
12. When driving down the ramp, always back the ma­chine with the platform on the downhill side only .
The equipment used to load, unload, and transport the aerial platform must have adequate capacity. Refer to Chapter 2 to determine the approximate weight of the aerial platform.
The user assumes all responsibility for choosing the proper method of transportation, and the proper selection and use of transportation and tie-down devices, making sure the equipment used is capable of supporting the weight of the aerial platform and that all manufacturer’s instructions and warnings, regulations and safety rules of their employer, the DOT and/or any other state or fed­eral law are followed.
Driving
Use the following procedure to drive the aerial platform onto the transport vehicle.
1. Locate the transport vehicle so it is in a straight line with the loading ramp.
2. Chock the vehicle wheels so it cannot roll away from the ramp while the machine is loaded.
3. Remove any unnecessary tools, materials, or other loose objects from the platform.
Winching
Use the following procedure to winch the aerial platform onto the transport vehicle.
1. Locate the transport vehicle so the aerial platform will not roll forward after it is loaded.
2. Remove any unnecessary tools, materials, or other loose objects from the platform.
3. Drive the machine to the foot of the loading ramp with the front wheels nearest the ramp. Make sure the machine is centered with the ramps and that the steer­ing wheels are straight.
4. Properly stow the aerial platform.
5. Attach the winch to the tie-down lugs (refer to Figure
9.3) on the front of the chassis.
4. Drive the machine to the foot of the loading ramp with the front wheels nearest the ramp. Make sure the machine is centered with the ramps and that the steer­ing wheels are straight.
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Tie-Down/Lifting
Lugs
Figure 9.3 – Front Tie-Down/Lifting Lugs
6. At each drive wheel, remove the two bolts from the disconnect plate (refer to Figure 9.4). Turn the plate over so the nipple points inward. Reinstall the two bolts.
Chapter 9 – Stowing and T ransporting
AWarning
The potential for an accident increases when the aerial platform is lifted using improper equipment and/or lifting techniques. Death or serious injury can result from such accidents. Use proper equipment and lifting techniques when lifting the aerial plat­form.
Know the weight of the aerial platform and the capacity of the lifting devices before hoisting. Lifting devices include the hoist or crane, chains, straps, cables, hooks, sheaves, shackles, slings, and other hardware used to support the machine. The gross vehicle weight is stamped on the serial number placard and is listed in Chapter 2.
The user assumes all responsibility for making sure the equipment used is capable of supporting the weight of the aerial platform and that all manufacturer’s instruc­tions and warnings, regulations and safety rules of their employer and/or any state or federal law are followed.
Use the following procedure to hoist the aerial platform onto the transport vehicle.
Bolt
Disconnect Plate
Figure 9.4 – Drive Wheel
7. Use the winch to position the aerial platform on the transport vehicle.
AWarning
The aerial platform is free to move when the drive hubs are disabled. Death or serious injury can re­sult. Re-enable the drive hubs before operating the aerial platform.
8. At each drive wheel, remove the two bolts and return the plate to its original position as shown in Figure
9.3.
1. Properly stow the aerial platform.
Note The lifting lugs at the rear of the chassis are farther apart than those at the front. Rotating the turntable 180° will place the counterweight at the rear of the chassis. This will reduce the number of spreader bars needed by one and sometimes two.
2. Inspect the front lifting lugs (refer to Figure 9.3) and the rear lifting lugs (refer to Figure 9.5) to make sure they are free of cracks and are in good condition. Have any damage repaired by a qualified service tech­nician before attempting to hoist the machine.
Tie-Down/Lifting
Lugs
9. Start the engine and operate the drive control in for­ward and reverse several times to engage the drive hubs.
Hoisting
Use a four point sling arrangement attached to the lifting lugs when hoisting the aerial platform. Machine damage can occur if the sling is attached to the booms, turntable, or platform.
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Figure 9.5 – Rear Tie-Down/Lifting Lugs
3. Remove all personnel, tools, materials, or other loose objects from the platform.
4. Connect the chains or straps to the lifting lugs using bolted shackles. Hooks that fit properly in the lugs
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Chapter 9 – Stowing and T ransporting
and that have latching mechanisms to prevent them from falling out under a slack line condition may also be used.
Do not run the sling cable through the lifting lugs. Cable damage and/or failure can result from the cable contacting the sharp corners of the lug. There is no effective way of putting a corner protector in the hole of the lifting lug.
5. Use spreader bars of sufficient length to keep the chains, straps, or cables from contacting the turn­table or booms. When using cables, use rigid corner protectors at any point where the cable contacts sharp corners to prevent damaging the cable. Careful rig­ging of the spreaders is required to prevent machine damage.
6. Adjust the length of each chain or strap so the aerial platform remains level when raised off the ground.
7. Use the hoist or crane to carefully raise and position the aerial platform onto the transport vehicle.
Securing for Transport
Use the following procedure to secure the aerial platform on the transport vehicle.
1. Chock the wheels.
2. Raise the main boom about 1 (0.3m).
3. Place a large wood block under the tip end of the main boom or jib foot (TB85J). Lower the platform so the boom or foot rests on the wood block.
4. Remove all personnel, tools, materials, or other loose objects from the platform.
5. Turn the start switch off and place the platform con­trol cover over the upper controls if the machine is equipped with that option.
6. Place the lower controls emergency stop switch in the off position. Turn the start switch off and remove the key.
7. Turn the battery disconnect switch off.
8. Close the shut-off valve on the LPG tank on LPG .
9. Close and latch the cowling doors.
10. Use wire-ties to fasten the platform gate to the guard­rails to prevent the gate from bouncing. Also, use wire-ties to fasten the platform foot switch to the plat­form floor.
11. Determine if the platform is made of steel or alumi­num. Steel platforms have toeboards with rolled edges an aluminum platforms have toeboards with straight edges.
ACaution
Aluminum toeboards are not strong enough to use when securing the platform to the transport vehicle. Damage to the platform will occur if the nylon strap is placed over the toeboards. Thread the strap through the platform mounting bracket or over the mid rail when securing an aluminum platform.
12. Use a nylon strap to securely fasten the platform against the wood block. On steel platforms, thread the strap over the toeboard as shown in Figure 9.6.
13. On aluminum platforms, thread the strap over the platform mounting bracket or the mid rail as shown in Figure 9.6.
ACaution
Ratchets, winches, and come-alongs can produce enough force to damage machine components. Do not over tighten the straps or chains when securing the aerial platform to the transport vehicle.
14. Use chains or straps to securely fasten the aerial platform to the transport vehicle using the tie-down lugs as attachment points. Proper tie-down and haul­ing are the responsibility of the carrier.
Steel
Figure 9.6 – Platform
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Aluminum
Page 63
Chapter 10 – Emergency Operation
If the main hydraulic system fails, the aerial platform may be lowered and stowed using the emergency power sys­tem. The main boom may be lowered using the emer­gency lowering knob. The machine may be towed if the drive system fails. Refer to Emergency Power System, Emergency Lowering, or T owing for the appropriate pro­cedure.
Control Selector
Switch
Emergency Power System
The emergency power system can be used to operate the machine from the lower or upper controls.
ACaution
The emergency power system is for emergency low­ering and stowing only . The length of time the pump can be operated depends on the capacity of the battery. Do not use this system for normal opera­tion.
Only use the emergency power system if the main power system fails.
Lower Controls
Use the following procedure to operate the machine us­ing the emergency power system from the lower con­trols.
1. Place the battery disconnect switch in the on posi­tion (refer to Figure 10.1).
Battery Disconnect Switch
Engine/Emergency Emergency Stop Button
Start Switch
Figure 10.2 – Lower Controls
4. Place the controls switch in the lower control posi­tion.
5. Hold the ground operation switch in the on position while holding the engine/emergency power switch in the emergency power position.
6. Hold the appropriate function toggle switch in the desired direction.
Power Switch
Ground Operation
Switch
Figure 10.1 – Battery Disconnect Switch
2. Place the key in the start switch (refer to Figure 10.2) and turn the start switch on.
3. Place the emergency stop switch in the on position.
Upper Controls
For the upper controls to be operational:
• the battery disconnect switch must be in the on po­sition.
• the start switch at the lower controls must be turned on.
• the emergency stop button at the lower controls must be in the on position.
• the control selector switch at the lower controls must be in the platform position.
Use the following procedure to operate the machine us­ing the emergency power system from the upper con­trols.
1. Pull the emergency stop button outward (refer to Fig­ure 10.3).
2. Turn the start switch on.
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Chapter 10 – Emergency Operation
Emergency Stop Button
Top
3. Step down on the platform foot switch (refer to Figure
10.4).
Engine/Emergency
Power
Figure 10.3 – Upper Controls
Master Start Switch
Front
Use the following procedure to manually lower the main boom.
1. Slowly turn the knob (refer to Figure 10.5) to open the bleed down valve. Control the rate of descent by turning the knob.
Platform Foot
Switch
Figure 10.4 – Platform Foot Switch
4. Hold the engine/emergency power switch in the emer­gency power position.
5. Hold the appropriate function toggle switch in the desired direction.
Emergency Lowering
The main boom can be lowered in an emergency using the emergency lowering knob at the base of the lift cylin­der. The emergency lowering knob allows the main boom to be lowered only. Only use this method if the engine will not start and the emergency power system will not work.
ADanger
Pinch points exist between boom components and between the booms and turntable. Death or serious injury can result if the booms or platform lowers onto personnel. Make sure all personnel stand clear while lowering the booms.
Emergency
Lowering Knob
Figure 10.5 – Emergency Lowering Knob
AWarning
The potential for an accident increases when safety devices do not function properly. Death or serious injury can result from such accidents. Fully close the emergency lowering knob before operating the aerial platform.
2. Turn the knob to close the cylinder bleed down valve.
Towing
The aerial platform may be towed at slow speeds using the optional tow kit. The tow vehicle must have sufficient capacity to safely tow and stop itself and the aerial plat­form on the steepest grade and type of surface that may be encountered. Refer to Chapter 2 for the gross vehicle weight of the aerial platform.
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Chapter 10 – Emergency Operation
AWarning
The aerial platform is free to move when the drive hubs are disabled. Death or serious injury can re­sult. Securely fasten the tow vehicle to the aerial platform before disabling the drive hubs.
Use the following procedure to manually disengage the drive hubs and tow the machine.
1. With the machine in the stowed position, remove the tow bar from the storage cradles at the rear of the chassis and lay the tow bar near the front of the chas­sis.
ADanger
Pinch points may exist between machine compo­nents. Death or serious injury can result from be­coming trapped between components. Do not at­tach the tow bar to the tow vehicle until the coun­terweight is to the side of the chassis.
2. Rotate the turntable, until the counterweight is to the side of the chassis, to allow room to attach the tow bar.
6. Attach the ring end of the tow bar to the tow vehicle.
7. Rotate the turntable so the counterweight is back at the front of the chassis. Raise the platform about 3 (1 m) above the ground.
8. Shut the engine off and turn the battery disconnect switch off.
9. Pull the steering float valve knob up and twist it to lock it in position. The knob is located on the top of the chassis, below the boom lift cylinder (refer to Fig­ure 10.7).
Steering Float Valve
3. Attach the tow bar (refer to Figure 10.6) to the tow lug with the tow pin and snap pin.
Tie Rod
Figure 10.6 – Tow Bar Connection
4. Attach the tie rod to the tow bar and the right hand steering yoke.
Tow Pin
Tow Bar
Tow Lug
Snap Pin
ACaution
Left hand turns will be restricted if the tow chains are not properly installed. Damage to the tie rod could result. Make certain the tow chain on the right side of the machine goes over the tie rod and not under it.
5. Attach the two tow bar chains to the tie-down lugs. Make certain that the chain goes over the tie rod as shown in Figure 10.6.
Figure 10.7 – T op of Chassis
10. At each drive wheel, remove the two bolts from the disconnect plate (refer to Figure 10.8). Turn the plate over so the nipple points inward. Reinstall the two bolts.
Bolt
Disconnect Plate
Figure 10.8 – Drive Wheel
1 1 . Do not exceed 10 mph (16 km/h) when towing. Use
caution when traveling around a curve or when turn­ing a corner. If the tow bar cont act s the chassis the steering mechanism might be damaged or the tow vehicle and the aerial platform could jackknife.
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Chapter 10 – Emergency Operation
AWarning
The aerial platform is free to move when the drive hubs are disabled. Death or serious injury can re­sult. Re-enable the drive hubs before operating the aerial platform.
12. After towing, push the steering float valve knob in.
13. At each drive wheel, remove the two bolts and return the plate to its original position as shown in Figure
10.8.
14. Unfasten the tow vehicle from the machine and re­place the tow bar on the storage cradles.
15. Verify that the drive system operates properly .
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Chapter 11 – Troubleshooting
The troubleshooting chart may be used to locate and eliminate situations where machine operation may be interrupted. If the problem cannot be corrected with the
Troubleshooting Chart
Symptom
Engine will not start from lower or upper controls.
Possible Cause
Out of fuel. The engine will crank, but will not start.
Engine is cold.
High engine temperature.
action listed, stow the machine and remove it from ser­vice. Repairs must be made by qualified maintenance personnel.
Corrective Action
Add correct type of fuel. Try start­ing the engine for 20 seconds and then let the starter motor cool for 60 seconds. Repeat as necessary .
Cummins or Ford engine – plug the block heater into a 125 Volt AC, 600 watt source eight hours before start­ing the engine.
Deutz engine – hold the manifold heater switch on for about a minute before starting the engine. Hold the switch on until the engine starts.
Let engine cool. Do not restart the engine until the cause of overheat­ing has been corrected.
Low oil pressure.
Dual fuel machines. The fuel switch on the lower control panel is set in­correctly . The engine cranks, but will not start.
Do not try to start the engine until the cause of low oil pressure has been corrected. The engine can be restarted with low oil pressure, but it will only run a few seconds before it shuts off again.
• Place the fuel switch on the lower control panel in the proper position for the fuel being used.
• Make certain there is fuel in the fuel tank.
• If using LPG make certain that the fuel shutoff valve is open.
• Try starting the engine for 20 seconds and then let the starter motor cool for 60 seconds. Re­peat as necessary.
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Chapter 11 – T roubleshooting
Symptom
Engine will not start from lower controls.
Engine will not start from upper controls.
Possible Cause
Switches are set wrong. The engine will not crank.
The master start switch was left in the on position for 30 seconds or longer before turning it to start.
The main system circuit breaker on the wiring box has tripped. The en­gine will not crank.
Switches are set wrong. The engine will not crank.
Corrective Action
Turn the battery disconnect switch on and then at the lower controls:
• Turn the master start switch off.
• Pull the emergency stop button outward.
• Place the controls switch in the lower control position.
• Place the master start switch in the on position for 5 seconds and then turn the switch to start.
Turn the start switch back to off, then to start within 30 seconds.
Push the main system circuit breaker button back in. If the button pops back out, refer the problem to a qualified service technician.
Turn the battery disconnect switch on and then at the lower controls:
Platform foot switch is activated.
The master start switch was left in the on position for 30 seconds or longer before turning it to start.
• Turn the master start switch off.
• Pull the emergency stop button outward.
• Place the controls switch in the platform position.
• Place the master start switch in the on position.
From the upper controls:
• Turn the master start switch off.
• Pull the emergency stop button outward.
• Place the master start switch in the on position for 5 seconds and the then turn the switch to start.
Do not step on foot switch while start­ing the engine.
Turn the master start switch back to off, then to start within 30 seconds.
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Chapter 11 – T roubleshooting
Symptom
Engine will not start from upper controls.
Engine starts from the upper con­trols but no boom functions work – machines with AC gen­erator option only .
Engine dies when the control se­lector switch at the lower con­trols is placed in the platform position.
Constant tone alarm sounds while the engine is running.
Possible Cause
The main system circuit breaker on the upper control panel or the wiring box has tripped. The engine will not crank.
The machine/generator switch is in the generator position.
Upper controls are not set-up prop­erly.
High engine temperature.
Low oil pressure.
Corrective Action
Push the main system circuit breaker button back in. If the button pops back out, refer the problem to a qualified service technician.
Place the switch in the machine po­sition to operate machine functions.
At the upper controls, pull the emer­gency stop button upward and turn the anti-restart master switch on.
Lower the platform and reduce the engine speed to idle for five minutes. Turn the engine off and let it cool. Do not restart the engine until the cause of overheating has been corrected.
Lower the platform and turn the en­gine off. Do not restart the engine until the cause of low oil pressure has been corrected.
Constant tone alarm sounds and engine shuts off.
All functions stop working.
No alternator current/broken fan belt.
High engine temperature.
Low oil pressure.
Low fluid level in reservoir.
Engine or pump failure.
Circuit breaker is tripped.
Electrical system malfunction.
Turn the engine off. Do not restart the engine until the cause of no alterna­tor current has been corrected or the fan belt is replaced.
Let the engine cool. Do not restart the engine until the cause of overheat­ing has been corrected.
Do not restart the engine until the cause of low oil pressure has been corrected. The engine can be re­started with low oil pressure, but it will only run a few seconds before it shuts off again.
Check fluid level. Add correct type of fluid if necessary .
Manually stow the machine using the emergency power system or the emergency lowering knob.
Push circuit breaker button in to re­set.
Manually lower the boom using the emergency lowering knob.
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Chapter 11 – T roubleshooting
Symptom
Lower controls do not work.
Upper controls do not work.
Boom will not extend or raise above horizontal.
Possible Cause
Battery disconnect switch turned off. Emergency stop button at lower con-
trols is pushed in to the off position. Controls switch is in the platform po-
sition. Ground operation switch not held in
the on position.
Battery disconnect switch turned off. Emergency stop button at lower and
upper controls is in the off position. Control selector switch at lower con-
trols is in the ground position. Platform foot switch not engaged.
Rear axles not properly extended.
Corrective Action
Place switch in the on position. Pull the emergency stop button out-
ward. Place the switch in the ground posi-
tion. Hold the ground operation switch in
the on position while operating the control toggle switches.
Place switch in the on position. Pull the emergency stop buttons out-
ward. Place switch in the upper controls
position. Step down on platform foot switch
while operating controls. Extend the rear axles and properly
install the pin lock.
Boom and drive functions seem sluggish.
Boom jerks while it is extended.
Turntable and main boom functions do not work from the upper con­trols.
Booms drift down.
Drive functions do not work.
Hydraulic oil is cold and thick.
Wire ropes are loose.
Boom speed knob set too slow.
The emergency lowering valve is open.
Hydraulic system malfunction.
Load capacity exceeded.
Machine on too steep a grade.
Drive hubs are disengaged.
Use cold weather hydraulic oil as rec­ommended for weather conditions. Warm oil before operating the ma­chine.
Refer the problem to a qualified ser­vice technician.
Turn knob toward fast.
Turn the emergency lowering knob to close the valve.
Stow the machine and do not oper­ate until repairs are made.
Remove load from platform. Refer to platform capacity placard for maxi­mum capacity.
Lower the booms and drive to a level surface.
Turn drive wheel disconnect plates around so nipples point outward.
Low hydraulic system pressure.
Stow the machine and do not oper­ate until repairs are made.
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Chapter 11 – T roubleshooting
Symptom
Can not reach maximum drive speed of 3 mph (4.8 km/h).
Wheels will not turn when winch­ing.
Steer wheels do not turn when the drive joystick is moved to the right or to the left.
Steer wheels do not turn right or left – machines with tow option.
Tilt alarm does not work.
Circuit breaker will not reset.
Possible Cause
Booms are not retracted and lowered. Drive range switch is in LO. High range speed selector knob is
in the low speed position (down) – four wheel drive machines only .
Drive hubs are engaged.
The drive joystick must be in the for­ward or reverse position for the steer­ing wheels to turn.
T ow kit steering float valve is open.
Booms are stowed.
Electrical circuit has not had time to cool.
Corrective Action
Fully retract and lower the boom. Place the switch in the HI position. Place the knob in the high speed
position (up).
Turn drive wheel disconnect plates around so nipples point inward.
Push the drive joystick slightly for­ward or backward when operating steer right or left.
Close the steering float valve.
Normal operation. The tilt alarm is op­erational when the booms are near horizontal.
Wait a minute or two for circuit to cool, then push circuit breaker but­ton in to reset.
Electrical outlet does not work.
Improper AC generator output voltage.
Hydraulic fluid temperature 200°F (93°C) or more.
Electrical system malfunction.
Power supply not plugged in.
GFCI is tripped. Machine/generator switch not in the
generator position.
Power cord to platform is not plugged into the AC generator .
Hydraulic oil is cold and thick.
Prolonged boom operation or driving. High pressure fluid return to reser-
voir caused by kinked or twisted hose.
Do not operate machine until repairs are made.
Plug a source of power into the power-input connector on the wiring box.
Push reset button on outlet. With engine running, place the ma-
chine/generator switch in the genera­tor position.
Plug power cord into the outlet on the left side of the lower control panel.
Use cold weather hydraulic oil as rec­ommended for weather conditions. Warm oil before operating the ma­chine.
Stop operation until fluid cools. Remove the kink or twist from the
hose. Let fluid cool before operating.
Hydraulic system component failure.
Stow the machine and do not oper­ate until repairs are made.
Severe hydraulic leak.
Failure of hose, tube, fitting, seal, etc.
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Do not operate machine until repairs are made.
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Chapter 11 – T roubleshooting
68 TB80/TB85J – 0112477
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Appendix A – Glossary
aerial platform – a mobile device that has an adjustable position
platform, supported from ground level by a structure.
ambient temperature – the air temperature of the immediate environ­ment.
ammeter – an instrument for measuring the strength of an electric current in amperes.
authorized personnel – personnel approved as assigned to perform specific duties at a specific location.
base – the relevant contact points of the aerial platform that form the stability support (e.g. wheels, casters, outriggers, stabilizers).
boom – a movable cantilever beam which supports the platform.
center of gravity – the point in the aerial platform around which its
weight is evenly balanced.
chassis – the integral part of the aerial platform that provides mobil­ity and support for the booms.
fall restraint – a system that is used while working on a boom lift within the boundaries of platform guardrails to provide restraint from being projected upward from the platform. This system includes a harness or belt, lanyard, and a lanyard anchor. Federal OSHA, ANSI, and Snorkel require the use of additional fall protection beyond the platform guard­rails on boom supported aerial platforms.
floor or ground pressure – the maximum pressure, expressed in pounds per square inch, a single wheel concentrates on the floor or ground.
gradeability – the maximum slope that the aerial platform is capable of travel.
ground fault circuit interrupter (GFCI) – a fast-acting circuit breaker that opens to stop electrical circuit flow if it senses a very small current leakage to ground. The GFCI is used to protect personnel against a potential shock hazard from defective electrical tools or wiring.
guardrail system – a vertical barrier around the platform to prevent personnel from falling.
maximum travel height – the maximum platform height or the most adverse configuration(s) with respect to stability in which travel is per­mitted by the manufacturer.
maximum wheel load – the load or weight that can be transmitted through a single wheel to the floor or ground.
Minimum Safe Approach Distance – the minimum safe distance that electrical conductors may be approached when using the aerial plat­form. Also called M.S.A.D.
operation – the performance of any aerial platform functions within the scope of its specifications and in accordance with the manufacturer’s instructions, the users work rules, and all applicable governmental regulations.
operator – a qualified person who controls the movement of an aerial platform.
personal fall arrest system – a fall protection system that is used while working on an unprotected edge (such as a roof top with no guardrail). This system includes a harness, lanyard or other connecting device, a fall arrestor, an energy absorber or decelerator, an anchor­age connector, and a secure anchorage such as a building beam, girders or columns. An aerial platform is not a fall arrest anchorage.
platform – the portion of an aerial platform intended to be occupied by personnel with their tools and materials.
platform height – the vertical distance measured from the floor of the platform to the surface upon which the chassis is being supported.
prestart inspection – a required safety inspection routine that is performed daily before operating the aerial platform.
qualified person – a person, who by reason of knowledge, experience, or training is familiar with the operation to be performed and the hazards involved.
rated work load – the designed carrying capacity of the aerial plat­form as specified by the manufacturer.
stow – to place a component, such as the platform, in its rest position.
hazardous location – any location that contains, or has the potential
to contain, an explosive or flammable atmosphere as defined by ANSI/NFPA 505.
intermediate boom – a telescopic boom section that extends and retracts from within the main boom. The intermediate boom is be­tween the base, or lower most section of the main boom, and the tip boom.
jib – an articulating boom attached to the tip boom which increases the overall boom reach.
level sensor – a device that detects a preset degree of variation from perfect level. The level sensor is used to sound an alarm if operating on a slope greater than the preset value.
lower controls – the controls located at ground level for operating some or all of the functions of the aerial platform.
main boom – a boom assembly located between the turntable and the platform.
manufacturer – a person or entity who makes, builds or produces an aerial platform.
TB80/TB85J – 0112477
tip boom – a telescopic boom section that extends and retracts from within the main boom. The tip boom is nearest the platform.
turning radius – the radius of the circle created by the wheel during a 360° turn with the steering wheels turned to maximum. Inside turning radius is the wheel closest to the center and outside turning radius is the wheel farthest from the center.
turntable – the structure above the rotation bearing which supports the main boom. The turntable rotates about the centerline of rotation.
unrestricted rated work load – the maximum designed carrying ca­pacity of the aerial platform allowed by the manufacturer in all oper­ating configurations.
upper controls – the controls located on or beside the platform used for operating some or all of the functions of the aerial platform.
wheelbase – the distance from the center of the rear wheel to the center of the front wheel.
working envelope – the area defined by the horizontal and vertical limits of boom travel that the platform may be positioned in.
working height – platform height plus six feet.
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Appendix A – Glossary
TB80/TB85J – 0112477
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LIMITED WARRANTY
Snorkel warrants each new machine manufactured and sold by it to be free from defects in material and workmanship for a period of one (1) year from date of delivery to a Customer or for one year after the machine has been placed in first service in a Dealer rental fleet, whichever comes first. Any part or parts which, upon examination by the Snorkel Service Department, are found to be defective, will be replaced or repaired, at the sole discretion of Snorkel, through its local Authorized Dealer at no charge.
Snorkel further warrants the structural components; specifically, the mainframe chassis, turntable, booms and scissor arms, of each new machine manufactured by it to be free from defects in material and workmanship for an additional period of four (4) years. Any such part or parts which, upon examination by the Snorkel Service Department, are found to be defective will be replaced or repaired by Snorkel through its local Authorized Dealer at no charge; however, any labor charges incurred as a result of such replacement or repair will be the responsibility of the Customer or Dealer.
The Snorkel Service Department must be notified within forty-eight (48) hours of any possible warranty situation during the applicable warranty period. Personnel performing warranty repair or replacement must obtain specific approval by Snorkel Service Department prior to performing any warranty repair or replacement.
Customer and Dealer shall not be entitled to the benefits of this warranty and Snorkel shall have no obligations hereunder unless the “Pre-Delivery and Inspection Report” has been properly completed and returned to the Snorkel Service Department within ten (10) days after delivery of the Snorkel product to Customer or Dealer’s rental fleet. Snorkel must be notified, in writing, within ten (10) days, of any machine sold to a Customer from a Dealer’s rental fleet during the warranty period.
At the direction of the Snorkel Service Department, any component part(s) of Snorkel products to be replaced or repaired under this warranty program must be returned freight prepaid to the Snorkel Service Department for inspection. All warranty replace­ment parts will be shipped freight prepaid (standard ground) from the Snorkel Service Department or from Snorkel’s Vendor to Dealer or Customer.
REPLACEMENT PARTS WARRANTY
Any replacement or service part made or sold by Snorkel is not subject to the preceding Limited Warranty beyond the normal warranty period of the machine upon which the part was installed.
THIS WARRANTY EXCLUDES AND SNORKEL DOES NOT WARRANT:
1. Engines, motors, tires and batteries which are manufactured by suppliers to Snorkel, who furnish their own warranty. Snorkel will, however, to the extent permitted, pass through any such warranty protection to the Customer or Dealer.
2. Any Snorkel product which has been modified or altered outside Snorkel’s factory without Snorkel’s written approval, if such modification or alteration, in the sole judgment of Snorkel’s Engineering and/or Service Departments, adversely affects the stability, reliability or service life of the Snorkel product or any component thereof.
3. Any Snorkel product which has been subject to misuse, improper maintenance or accident. “Misuse” includes but is not limited to operation beyond the factory-rated load capacity and speeds. “Improper maintenance” includes but is not limited to failure to follow the recommendations contained in the Snorkel Operation, Maintenance, Repair Parts Manuals. Snorkel is not responsible for normal maintenance, service adjustments and replacements, including but not limited to hydraulic fluid, filters and lubrication.
4. Normal wear of any Snorkel component part(s). Normal wear of component parts may vary with the type application or type of environment in which the machine may be used; such as, but not limited to sandblasting applications.
5. Any Snorkel product that has come in direct contact with any chemical or abrasive material.
6. Incidental or consequential expenses, losses, or damages related to any part or equipment failure, including but not limited to freight cost to transport the machine to a repair facility, downtime of the machine, lost time for workers, lost orders, lost rental revenue, lost profits or increased cost.
This warranty is expressly in lieu of all other warranties, representations or liabilities of Snorkel, either expressed or implied, unless otherwise amended in writing by Snorkel’s President, Vice President-Engineering, Vice President-Sales or Vice Presi­dent-Marketing.
SNORKEL MAKES NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION OF THIS LIMITED W ARRANTY. SNORKEL MAKES NO IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE AND DISCLAIMS ALL LIABILITY FOR INCIDENT AL OR CONSEQUENTIAL DAMAGES, INCLUDING BUT NOT LIMITED TO INJUR Y TO PERSONS OR PROPERTY .
The Customer shall make all warranty claims through its local Authorized Dealer and should contact the Dealer from whom the Snorkel product was purchased for warranty service. Or, if unable to contact the Dealer, contact the Snorkel Service Department for further assistance.
Effective July 1995
© Snorkel International, Inc. – all rights reserved Printed in the U.S.A.
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