Bush Hog FTH 600 Manuel utilisateur

ASSEMBLY ll OPERATION ll MAINTENANCE

04/09 Rev.1 $4.00 90898

AATTHH//FFTTHH

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OOppeerraattoorr’’ss MMaannuuaall

BUSH HOG®

Model ATH 720

Air Tunnel

Model FTH 600

Flat Tunnel

CONGRATULAT ONS!

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.

f 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 man-

uals 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 AUTHOR ZED

BUSH HOG DEALER

BECAUSE BUSH HOG MA NTA NS AN ONGO NG

PROGRAM OF PRODUCT MPROVEMENT, WE

RESERVE THE R GHT TO MAKE MPROVEMENTS N

DES GN OR CHANGES N SPEC F CAT ONS W TH-

OUT NCURR NG ANY OBL GAT ON TO NSTALL

THEM ON UN TS PREV OUSLY SOLD.

BECAUSE OF THE POSS B L TY THAT SOME

PHOTOGRAPHS N TH S MANUAL WERE TAKEN OF

PROTOTYPE MODELS, PRODUCT ON MODELS MAY

VARY N SOME DETA L. N ADD T ON, SOME

PHOTOGRAPHS MAY SHOW SH ELDS REMOVED

FOR PURPOSES OF CLAR TY. NEVER OPERATE

TH S MPLEMENT W THOUT ALL SH ELDS N PLACE.

ATH / FTH FINISHING MOWER

Operator’s Manual

TABLE OF CONTENTS

SECTION/PARA PAGE

Warranty . . . . . . . . . . . . . . . . . . . . . . . . . .2

Dealer Preparation Check List . . . . . . . . .3

Safety Precautions . . . . . . . . . . . . . . . . . .4

Federal Laws and Regulations . . . . . . . . .5

NTRODUCT ON AND DESCR PT ON . .6

1-1 ntroduction . . . . . . . . . . . . . . . . . . . . .6

1-2 Description . . . . . . . . . . . . . . . . . . . . .6

PREPARAT ON FOR USE . . . . . . . . . . . .7

2-1 Attaching to Tractor . . . . . . . . . . . . . . .7

OPERAT NG NSTRUCT ONS . . . . . . . . .9

3-1 General Safety . . . . . . . . . . . . . . . . . .9

3-2 Cutting Height Adjustment . . . . . . . . . .9

3-3 Operation . . . . . . . . . . . . . . . . . . . . . . .9

3-4 Transporting . . . . . . . . . . . . . . . . . . . . .9

SECTION/PARA PAGE

V MA NTENANCE . . . . . . . . . . . . . . . . . . . .10

4-1 Maintenance Check List . . . . . . . . . .10

4-2 Lubrication . . . . . . . . . . . . . . . . . . . . .10

4-3 Belt 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 travel-

ing to or hauling of the product for the purpose of performing a warranty obligation or

inspection.

L M TED 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 equip-

ment 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 equip-

ment 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 war-

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

3. f parts not made or supplied by Bush Hog have been used in connection with the unit, if, in the sole judge-

ment of Bush Hog such use affects its performance, stability or reliability.

4. f 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 REPRESENTAT VE OF BUSH HOG S AUTHOR ZED TO CHANGE TH S L M TED

WARRANTY N ANY WAY OR GRANT ANY OTHER WARRANTY UNLESS SUCH CHANGE S MADE N

WR T NG AND S GNED BY BUSH HOG’S SERV CE MANAGER, 2501 GR FF N 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 CERTA N THE WARRANTY NFORMAT ON

HAS BEEN F LED ONL NE W TH BUSH HOG

SELMA, ALABAMA

MODEL NUMBER

SER AL NUMBER

DATE OF RETA L SALE

DEALER PREPARATION CHEC LIST

ATH / FTH FINISHING MOWERS

BEFORE DEL VER NG MACH NE — 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

r6. 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

TH S CHECKL ST TO REMA N N OWNER’S MANUAL

t is the responsibility of the dealer to complete the procedures listed

above before delivery of this implement to the customer.

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 fol-

lows and heed its advice. Failure to comply

with safety precautions could result in death or

serious bodily injury.

n addition to the design and configuration of equipment, hazard control and accident prevention are depen-

dent 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—loss of 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 mainte-

nance 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. f 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. t is recommended that tractor be equipped with Rollover Protective System (ROPS) and seat belt be

used in all mowing operations.

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. t is not intended as a legal interpretation of the laws and should not be considered as such).

U.S. Public Law 91-596 (The Williams-Steiger Occupational 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...”

DUT ES

Sec. 5 (a) Each employer—

(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. t 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

ROPS.

2. Where possible, avoid operating the tractor near

ditches, embankments, and holes.

3. Reduce speed when turning, crossing slopes, and

on rough, slick, or muddy surfaces.

4. Stay off slopes too steep for safe operation.

5. Watch where you are going, especially at row

ends, on roads, and around trees.

6. Do not permit others to ride.

7. Operate the tractor smoothly - no jerky turns,

starts, or stops.

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

mended by tractor manufacturers.

9. When tractor is stopped, set brakes securely and

use park lock if available.

1-1 INTRODUCTION

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

tomer. Your ATH/FTH Series Rotary Cutter has

been carefully designed to give maximum service

with minimum down time.This manual is provided to

give you the necessary operating and maintenance

instructions for keeping your rotary cutter in top

operating condition. Please read this manual thor-

oughly. Understand what each control is for and how

to use it. Observe all safety precautions decaled on

the machine and noted throughout the manual for

safe operation of implement. f any assistance or

additional information is needed, contact your autho-

rized Bush Hog dealer.

1-2 DESCRIPTION

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.

Parallel uplift blades form a suction during operation

to lift the grass before cutting it. The four caster

wheel arrangement, along with the floating lift link-

age and optional front mounted roller, all work

together to give an even cut and minimize scalping.

Power from the tractor is transmitted through a trian-

gular, telescoping driveline to the 90 degree gear-

box. t is then passed to the spindle housings and

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

Drivetrain protection is provided by belt slippage.

Table 1-1 Specifications ATH 600 ATH 720

FTH 480 FTH 600 FTH 720

Cutting Width (in.) 48 60 72

Cutting Height (in.) 1 to 6

Horsepower Range 11-30 15-35 20-40

Blade Tip Speed (fpm) 15,613

Weight (lbs.) 494 570 610

560 588

SECTION I

INTRODUCTION AND DESCRIPTION

NOTE

All references made to right, left, top,

bottom, front or rear are as viewed

facing the direction of travel with

implement properly attached to trac-

tor.

Figure 1-1 ATH 720

2-1 ATTACHING TO TRACTOR

A. Attach to tractor Cat. three point hitch as

described in tractor operator’s manual.

SECTION II

PREPARATION FOR USE

B. Raise and lower cutter to determine position

with shortest distance between the tractor PTO shaft

and gearbox input shaft. Shut down tractor leaving

cutter in position of shortest distance. SECURELY

BLOCK CUTTER N POS T ON.

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

tion to tractor PTO shaft. Pull on driveline section to

be sure yoke locks into place.

D. Hold driveline sections parallel to each other to

determine if too long. Each section should end

approximately 3 inches (76mm) short of reaching

universal joint shield on opposite section. f 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 N POS T ON.

F. Hold down driveline sections parallel to each

other and check for minimum 6 inches (152mm)

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

cutting, overlap will be the distance between two

marks. f driveline has less than minimum overlap,

DO NOT USE. Contact authorized Bush Hog dealer.

WARNING

NEVER STAND BETWEEN TRACTOR

AND CUTTER WHILE TRACTOR IS

BEING BAC ED TO HITCH.

WARNING

ADDITIONAL TRACTOR FRONT

BALLAST MAY BE NEEDED FOR

STABLE OPERATION AND TRANSPORT

OF CUTTER. SEE TRACTOR OPERA-

TOR’S MANUAL FOR RECOMMENDED

WEIGHTS. IT IS RECOMMENDED THAT

TRACTOR BE EQUIPPED WITH

ROLLOVER PROTECTIVE SYSTEM

(ROPS) AND SEAT BELTS.

NOTE

Due to the many variations in trac-

tor/implement hitch points and corre-

sponding differences in distances between

tractor PTO shafts and implement input

shafts, drivelines may need to be short-

ened as described in the following steps:

NOTE

f 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

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)

. 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-purpose grease 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 2-4

Figure 2-5

MA E CERTAIN DRIVELINE YO ES

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 oper-

ator’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 opera-

tion. 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 2-6 Flex-Link

DANGER

Tractor

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