Bush Hog ATH 720 User Manual

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BUSH HOG®

ATH/FTH

Air Tunnel & Flat Deck

Finishing Mowers

Operator’s Manual

Model ATH 720

Air Tunnel

Model FTH 600

Flat Tunnel

ASSEMBLY OPERATIONMAINTENANCE

04/09 Rev.1

$4.00

90898

CONGRATULATIONS!

You have invested in the best implement of its type on the market today.

The care you give your Bush Hog implement will greatly determine your satisfaction with its performance and its service life. We urge a careful study of this manual to provide you with a thorough understanding of your new implement before operating, as well as suggestions for operation and maintenance.

If your manual should become lost or destroyed, Bush Hog will be glad to provide you with a new copy. Order from Bush Hog, 2501 Griffin Ave., Selma, Alabama 36703. Most of our manuals can also be downloaded from our website at www.bushhog.com.

As an authorized Bush Hog dealer, we stock genuine Bush Hog parts which are manufactured with the same precision and skill as our original equipment. Our trained service personnel are well informed on methods required to service Bush Hog equipment,

and are ready and able to help you.

Should you require additional information or assistance, please contact us.

YOUR AUTHORIZED

BUSH HOG DEALER

BECAUSE BUSH HOG MAINTAINS AN ONGOING

PROGRAM OF PRODUCT IMPROVEMENT, WE

RESERVE THE RIGHT TO MAKE IMPROVEMENTS IN

DESIGN OR CHANGES IN SPECIFICATIONS WITH-

OUT INCURRING ANY OBLIGATION TO INSTALL

THEM ON UNITS PREVIOUSLY SOLD.

BECAUSE OF THE POSSIBILITY THAT SOME

PHOTOGRAPHS IN THIS MANUAL WERE TAKEN OF

PROTOTYPE MODELS, PRODUCTION MODELS MAY

VARY IN SOME DETAIL. IN ADDITION, SOME

PHOTOGRAPHS MAY SHOW SHIELDS REMOVED

FOR PURPOSES OF CLARITY. NEVER OPERATE

THIS IMPLEMENT WITHOUT ALL SHIELDS IN PLACE.

ATH / FTHOperator’sFINISHINGManual MOWER

TABLE OF CONTENTS

SECTION/PARA

PAGE

 

Warranty . . . . . . . . . . . . . . . . . . . . .

. . . . .2

 

Dealer Preparation Check List . . . .

. . . . .3

 

Safety Precautions . . . . . . . . . . . . .

. . . . .4

 

Federal Laws and Regulations . . . .

. . . . .5

I

INTRODUCTION AND DESCRIPTION . .6

 

1-1Introduction . . . . . . . . . . . . . . . .

. . . . .6

 

1-2Description . . . . . . . . . . . . . . . .

. . . . .6

II

PREPARATION FOR USE . . . . . . .

. . . . .7

 

2-1Attaching to Tractor . . . . . . . . . .

. . . . .7

III

OPERATING INSTRUCTIONS . . . .

. . . . .9

 

3-1General Safety . . . . . . . . . . . . .

. . . . .9

 

3-2Cutting Height Adjustment . . . . .

. . . . .9

 

3-3Operation . . . . . . . . . . . . . . . . . .

. . . . .9

 

3-4Transporting . . . . . . . . . . . . . . . .

. . . . .9

 

 

SECTION/PARA

PAGE

IV

MAINTENANCE . . . . . . . . . . . . . . . .

. . . .10

 

4-1Maintenance Check List . . . . . .

. . . .10

 

4-2Lubrication . . . . . . . . . . . . . . . . .

. . . .10

 

4-3Belt Adjustment . . . . . . . . . . . . .

. . . .11

 

4-4

Belt Replacement . . . . . . . . . . .

. . . .11

 

4-5

Blade Replacement . . . . . . . . . .

. . . .12

 

4-6

Troubleshooting . . . . . . . . . . . . .

. . . .12

V

DEALER ASSEMBLY . . . . . . . . . . .

. . . .13

 

5-1

Base Unit Assembly . . . . . . . . . .

. . . .13

 

Safety Decals . . . . . . . . . . . . . . . . . .

. . . .15

 

Torque Specifications . . . . . . . . . . .

. . . .16

 

 

 

 

RETAIL CUSTOMER’S RESPONSIBILITY

UNDER THE BUSH HOG WARRANTY

It is the Retail Customer and/or Operator’s responsibility to read the Operator’s Manual, to operate, lubricate, maintain and store the product in accordance with all instructions and safety procedures. Failure of the operator to read the Operator’s Manual is a misuse of this equipment.

It is the Retail Customer and/or Operator’s responsibility to inspect the product and to have any part(s) repaired or replaced when continued operation would cause damage or excessive wear to other parts or cause a safety hazard.

It is the Retail Customer’s responsibility to deliver the product to the authorized Bush Hog Dealer, from whom he purchased it, for service or replacement of defective parts which are covered by warranty. Repairs to be submitted for warranty consideration must be made within forty-five(45) days of failure.

It is the Retail Customer’s responsibility for any cost incurred by the Dealer for traveling to or hauling of the product for the purpose of performing a warranty obligation or inspection.

1

LIMITED WARRANTY

OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO

Bush Hog warrants to the original purchaser of any new Bush Hog equipment, purchased from an authorized Bush Hog dealer, that the equipment be free from defects in material and workmanship for a period of one (1) year for non-commercial,state and municipalities’ use and ninety (90) days for commercial use from date of retail sale. Models ATH & FTH gearboxes are covered by a five (5) year limited warranty period. The obligation of Bush Hog to the purchaser under this warranty is limited to the repair or replacement of defective parts.

Replacement or repair parts installed in the equipment covered by this limited warranty are warranted for ninety (90) days from the date of purchase of such part or to the expiration of the applicable new equipment warranty period, whichever occurs later. Warranted parts shall be provided at no cost to the user at an authorized Bush Hog dealer during regular working hours. Bush Hog reserves the right to inspect any equipment or parts which are claimed to have been defective in material or workmanship.

DISCLAIMER OF IMPLIED WARRANTIES & CONSEQUENTIAL DAMAGES

Bush Hog’s obligation under this limited warranty, to the extent allowed by law, is in lieu of all warranties, implied or expressed, INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE and any liability for incidental and consequential damages with respect to the sale or use of the items warranted. Such incidental and consequential damages shall include but not be limited to: transportation charges other than normal freight charges; cost of installation other than cost approved by Bush Hog; duty; taxes; charges for normal service or adjustment; loss of crops or any other loss of income; rental of substitute equipment, expenses due to loss, damage, detention or delay in the delivery of equipment or parts resulting from acts beyond the control of Bush Hog.

THIS LIMITED WARRANTY SHALL NOT APPLY:

1. To vendor items which carry their own warranties, such as engines, tires, and tubes.

2. If the unit has been subjected to misapplication, abuse, misuse, negligence, fire or other accident.

3. If parts not made or supplied by Bush Hog have been used in connection with the unit, if, in the sole judgement of Bush Hog such use affects its performance, stability or reliability.

4. If the unit has been altered or repaired outside of an authorized Bush Hog dealership in a manner which, in the sole judgement of Bush Hog, affects its performance, stability or reliability.

5. To normal maintenance service and normal replacement items such as gearbox lubricant, hydraulic fluid, worn blades, or to normal deterioration of such things as belts and exterior finish due to use or exposure.

6. To expendable or wear items such as teeth, chains, sprockets, belts, springs and any other items that in the company’s sole judgement is a wear item.

NO EMPLOYEE OR REPRESENTATIVE OF BUSH HOG IS AUTHORIZED TO CHANGE THIS LIMITED WARRANTY IN ANY WAY OR GRANT ANY OTHER WARRANTY UNLESS SUCH CHANGE IS MADE I N WRITING AND SIGNED BY BUSH HOG’S SERVICE MANAGER, 2501 GRIFFIN AVE., SELMA, ALABAMA 36703.

OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO

Record the model number, serial number and date purchased. This information will be helpful to your dealer if parts or service are required.

MAKE CERTAIN THE WARRANTY INFORMATION HAS BEEN FILED ONLINE WITH BUSH HOG SELMA, ALABAMA

2

MODEL NUMBER

SERIAL NUMBER DATE OF RETAIL SALE

DEALER PREPARATION CHECK LIST

ATH / FTH FINISHING MOWERS

BEFORE DELIVERING MACHINE — The following check list should be completed. Use the Operator’s Manual as a guide.

o1. Assembly completed.

o2. Gearboxes filled with oil.

o3. All fittings lubricated.

o4. All shields in place and in good condition.

o5. All fasteners torqued to specifications given in Torque Chart r 6. All decals in place and readable. (See decal page.)

o7. Overall condition good (i.e. paint, welds)

o8. Operators manual has been delivered to owner and he has been instructed on the safe and proper use of the cutter.

o9. Warranty information has been filed online with Bush Hog.

Dealer’s

Signature

THIS CHECKLIST TO REMAIN IN OWNER’S MANUAL

It is the responsibility of the dealer to complete the procedures listed above before delivery of this implement to the customer.

3

IMPORTANT SAFETY PRECAUTIONS

This symbol is used to call attention to safety precautions that should be followed by the operator to avoid accidents. When you see this symbol, carefully read the message that follows and heed its advice. Failure to comply with safety precautions could result in death or serious bodily injury.

In addition to the design and configuration of equipment, hazard control and accident prevention are dependent upon the awareness, concern, prudence and proper training of personnel in the operation, transport, maintenance and storage of equipment. Lack of attention to safety can result in accident, personal injury, reduction of efficiency and worst of all—lossof life. Watch for safety hazards and correct deficiencies promptly. Use the following safety precautions as a general guide to safe operations when using this machine. Additional safety precautions are used throughout this manual for specific operating and maintenance procedures. Read this manual and review the safety precautions often until you know the limitations.

1.Read the Operator’s Manual. Failure to read the Operator’s Manual is considered a misuse of this equipment.

2.Become familiar with all the machine’s controls and all the caution, warning and danger decals affixed to the machine before attempting to start or operate.

3.Before starting or operating the machine, make a walk around inspection and check for obvious defects such as loose mounting bolts and damaged components. Correct any deficiency before starting.

4.Do not allow children to operate the cutter. Do not allow adults to operate it without proper instruction.

5.Do not carry passengers.

6.Keep the area of operation clear of all persons, particularly small children and pets. The operator should cease mowing whenever anyone comes within the operating area.

7.Clear the work area of objects which might be picked up and thrown.

8.Use a piece of cardboard or wood rather than hands to search for hydraulic leaks. Escaping hydraulic oil under pressure can penetrate skin. If fluid is injected into the skin, it must be surgically removed within a few hours by a doctor familiar with this form of injury or gangrene may result.

9.Do not operate without all guards and shields in place and in good condition.

10.Lower implement to ground, stop tractor engine, apply parking brake, and allow blades to completely stop before leaving the tractor.

11.Keep hands and feet away from blades.

12.This cutter is not to be operated along highways or in any area where people may be present unless all sides of the unit are enclosed by permanent bands, safety chains or other factory approved safety shields that are in good repair.

13.Wear personal protective equipment such as, but not limited to, protection for eyes, ears, feet, hands and head when operating or repairing the equipment. Do not wear loose clothing or jewelry that may catch on equipment moving parts.

14.When performing adjustments or maintenance on the cutter, first lower it to the ground or block it securely at a workable height.

15.Never stand between tractor and cutter while tractor is being backed to the cutter hitch.

16.Reduce speed when transporting cutter to avoid bouncing and momentary loss of steering.

17.Use tractor flashing warning lights, day or night, when transporting cutter on road or highways unless prohibited by law.

18.It is recommended that tractor be equipped with Rollover Protective System (ROPS) and seat belt be used in all mowing operations.

4

IMPORTANT FEDERAL LAWS AND REGULATIONS* CONCERNING

EMPLOYERS, EMPLOYEES AND OPERATIONS.

*(This section is intended to explain in broad terms the concept and effect of the following federal laws and regulations. It is not intended as a legal interpretation of the laws and should not be considered as such).

U.S. Public Law 91-596(TheWilliams-SteigerOccupational and Health Act of 1970) OSHA

This Act Seeks:

“...to assure so far as possible every working man and woman in the nation safe and healthful working conditions and to preserve our human resources...”

Sec. 5 (a) Each employer—

DUTIES

 

(1) shall furnish to each of his employees employment and a place of employment

which are free from recognized hazards that are causing or are likely to cause

death or serious physical harm to his employees;

(2) shall comply with occupational safety and health standards promulgated under

this Act.

 

(b) Each employee shall comply with occupational safety and health standards

and all rules, regulations and orders issued pursuant to this Act which are

applicable to his own actions and conduct.

OSHA Regulations

Current OSHA regulations state in part: “At the time of initial assignment and at least annually thereafter, the employer shall instruct every employee in the safe operation and servicing of all equipment with which the employee is, or will be involved.” These will include (but are not limited to) instructions to:

Keep all guards in place when the machine is in operation; Permit no riders on equipment;

Stop engine, disconnect the power source, and wait for all machine movement to stop before servicing, adjusting, cleaning or unclogging the equipment, except where the machine must be running to be properly serviced or maintained, in which case the employer shall instruct employees as to all steps and procedures which are necessary to safely service or maintain the equipment.

Make sure everyone is clear of machinery before starting the engine, engaging power, or operating the machine.

Child Labor Under 16 Years Old

Some regulations specify that no one under the age of 16 may operate power machinery. It is your responsibility to know what these regulations are in your own area or situation. (Refer to U.S. Dept. of Labor, Employment Standard Administration, Wage & Home Division, Child Labor Bulletin #102.)

EMPLOYEE TRACTOR OPERATING INSTRUCTIONS:

1.

Securely fasten your seat belt if the tractor has a

5.

Watch where you are going, especially at row

 

ROPS.

 

ends, on roads, and around trees.

2.

Where possible, avoid operating the tractor near

6.

Do not permit others to ride.

 

ditches, embankments, and holes.

7.

Operate the tractor smoothly - no jerky turns,

 

 

3.

Reduce speed when turning, crossing slopes, and

 

starts, or stops.

 

on rough, slick, or muddy surfaces.

8. Hitch only to the drawbar and hitch points recom-

 

 

4.

Stay off slopes too steep for safe operation.

 

mended by tractor manufacturers.

 

9. When tractor is stopped, set brakes securely and

 

use park lock if available.

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SECTION I

 

 

 

 

 

 

INTRODUCTION AND DESCRIPTION

 

 

 

 

 

 

 

 

Parallel uplift blades form a suction during operation

 

1-1INTRODUCTION

 

We are pleased to have you as a Bush Hog cus-

 

to lift the grass before cutting it. The four caster

 

 

wheel arrangement, along with the floating lift link-

 

tomer. Your ATH/FTH Series Rotary Cutter has

 

 

 

age and optional front mounted roller, all work

 

been carefully designed to give maximum service

 

 

 

together to give an even cut and minimize scalping.

 

with minimum down time.This manual is provided to

 

 

 

 

 

 

 

 

 

give you the necessary operating and maintenance

 

Power from the tractor is transmitted through a trian-

 

instructions for keeping your rotary cutter in top

 

 

 

gular, telescoping driveline to the 90 degree gear-

 

operating condition. Please read this manual thor-

 

 

 

box. It is then passed to the spindle housings and

 

oughly. Understand what each control is for and how

 

 

 

blades by a single, B-section,Kevlar reinforced belt.

 

to use it. Observe all safety precautions decaled on

 

 

 

Drivetrain protection is provided by belt slippage.

 

the machine and noted throughout the manual for

 

 

 

 

 

 

 

 

 

safe operation of implement. If any assistance or

 

 

 

 

 

 

 

additional information is needed, contact your autho-

 

Table 1-1Specifications

 

 

 

 

rized Bush Hog dealer.

 

 

 

 

 

 

 

 

ATH 600

ATH 720

 

 

 

NOTE

 

 

FTH 480

FTH 600

FTH 720

 

 

 

 

 

 

 

 

 

All references made to right, left, top,

 

Cutting Width (in.)

48

60

72

 

 

 

bottom, front or rear are as viewed

 

 

 

 

 

 

 

 

Cutting Height (in.)

 

1 to 6

 

 

 

 

facing the direction of travel with

 

 

 

 

 

 

implement properly attached to trac-

 

Horsepower Range

11-30

15-35

20-40

 

 

 

tor.

 

 

 

 

 

 

 

 

Blade Tip Speed (fpm)

 

15,613

 

 

 

 

 

 

 

 

 

 

 

1-2DESCRIPTION

 

Weight (lbs.)

494

570

610

 

 

 

 

 

560

588

 

 

The ATH/FTH cutters (Figure 1-1)are intended for

 

 

 

 

 

 

 

 

 

 

 

 

cutting lawns, golf courses, or any maintained area

 

 

 

 

 

 

 

where a clean, uniform finish is desired.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 1-1ATH 720

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

SECTION II

PREPARATION FOR USE

 

 

 

 

 

 

 

 

 

 

 

2-1ATTACHING TO TRACTOR

 

 

 

 

 

 

 

 

 

 

NOTE

 

 

 

 

 

 

 

 

 

 

Due to the many variations in trac-

 

 

 

 

 

WARNING

 

 

 

 

 

tor/implement hitch points and corre-

 

 

 

NEVER STAND BETWEEN TRACTOR

 

 

sponding differences in distances between

 

 

 

 

 

tractor PTO shafts and implement input

 

 

 

AND CUTTER WHILE TRACTOR IS

 

 

 

 

 

 

 

shafts, drivelines may need to be short-

 

 

 

BEING BACKED TO HITCH.

 

 

 

 

 

 

 

 

 

 

 

ened as described in the following steps:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WARNING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B. Raise and lower cutter to determine position

 

ADDITIONAL

TRACTOR

FRONT

 

 

 

 

with shortest distance between the tractor PTO shaft

 

BALLAST MAY BE NEEDED FOR

 

and gearbox input shaft. Shut down tractor leaving

 

STABLE OPERATION AND TRANSPORT

 

cutter in position of shortest distance. SECURELY

 

OF CUTTER. SEE TRACTOR OPERA-

 

 

 

 

BLOCK CUTTER IN POSITION.

 

TOR’S MANUAL FOR RECOMMENDED

 

 

WEIGHTS. IT IS RECOMMENDED THAT

 

C. Pull driveline apart. Attach outer (female) sec-

 

TRACTOR

BE

EQUIPPED

WITH

 

tion to tractor PTO shaft. Pull on driveline section to

 

ROLLOVER

PROTECTIVE SYSTEM

 

be sure yoke locks into place.

 

(ROPS) AND SEAT BELTS.

 

 

 

D. Hold driveline sections parallel to each other to

 

 

 

 

 

 

 

 

 

A. Attach to tractor Cat. I three point hitch as

determine if too long. Each section should end

described in tractor operator’s manual.

 

 

 

approximately 3 inches (76mm) short of reaching

 

 

 

 

 

 

 

 

 

universal joint shield on opposite section. If too long,

 

 

 

 

 

 

 

 

 

measure 3 inches (76mm) back from universal joint

 

 

 

 

 

 

 

 

 

shield and mark opposite section. (Figure 2-1).Do

 

 

 

 

 

 

 

 

 

this for both sections.

 

 

 

 

 

 

 

 

 

E. Raise and lower cutter to determine position

 

 

 

 

 

 

 

 

 

with greatest distance between PTO shaft and gear-

 

 

 

 

 

 

 

 

 

box input shaft. Shut down tractor leaving cutter in

 

 

 

 

 

 

 

 

 

position of greatest distance. SECURELYBLOCK

 

 

 

 

 

 

 

 

 

CUTTER IN POSITION.

 

 

 

 

 

 

 

 

 

F. Hold down driveline sections parallel to each

 

 

 

 

 

 

 

 

 

other and check for minimum 6 inches (152mm)

 

 

 

 

 

 

 

 

 

overlap. (Figure 2-2)If driveline has been marked for

 

 

 

 

 

 

 

 

 

cutting, overlap will be the distance between two

 

 

 

 

 

 

 

 

 

marks. If driveline has less than minimum overlap,

 

 

 

 

 

 

 

 

 

DO NOT USE. Contact authorized Bush Hog dealer.

 

 

 

 

 

 

 

 

 

 

NOTE

 

 

 

 

 

 

 

 

 

If driveline is correct length, omit the fol-

 

 

 

 

 

 

 

 

 

lowing steps “G” through “J” and proceed

 

 

 

 

 

 

 

 

 

to step “K”.

 

 

 

Figure 2-1

Figure 2-2

 

 

 

 

 

 

 

 

Minimum

 

 

Overlap

7

G. Clamp end of driveline in a vice. Cut off shield where marked. (Figure 2-3).

Figure 2-3

H. Using cut off section of shield as a guide, cut shaft the same amount. (Figure 2-4)

Figure 2-4

I.Repeat steps “G” and “H” to other driveline sec-

tion.

J.Deburr ends of driveline sections and clean away all chips and filings. (Figure 2-5)

K.Apply multi-purposegrease to outside of male driveline section. Assemble driveline and install on tractor and cutter. Pull on each driveline section to be sure yokes lock into place. Make certain driveline shielding is in place and in good condition.

Figure 2-5

DANGER

MAKE CERTAIN DRIVELINE YOKES ARE SECURELY FASTENED. FAILURE TO DO SO MAY RESULT IN SERIOUS INJURY.

L.Raise cutter off ground and adjust lower lift arms to level cutter right to left. Refer to tractor operator’s manual.

M.Lower cutter to work position. Adjust tractor top link to position cutter top flex link as shown in Figure 2-6.This allows cutter to “float” during operation. Also lower the tractor lift arms so that lower links can also “float”.

N.Adjust tractor sway chains, stabilizer bar or equivalent to prevent side sway.

Figure 2-6Flex-Link

Tractor

Top Link

Tractor

Lower Lift Arm

Lower Link

8