SECTION IV

 

 

 

 

 

 

 

 

 

MAINTENANCE

 

 

 

4-1 MAINTENANCE CHECK LIST

 

8.During operation, listen for abnormal sounds

 

Perform scheduled maintenance as outlined below.

which might indicate loose parts, damaged bearings,

 

Lower implement to ground, turn off tractor, and set

or other damage. Correct any deficiency before con-

 

parking brake before doing maintenance inspections

tinuing operation.

 

or work. Some checks may require raising machine

 

 

AFTER EACH USE

 

off ground and supporting with blocks. All bolts

 

 

 

should be torqued as indicated in torque chart

 

1. Clean all debris from machine especially under-

 

unless otherwise indicated.

side of deck, underneath belt shield and off safety

 

decals. Replace any missing or illegible decals.

 

 

 

 

 

 

WARNING

 

 

2. Inspect cutter for worn or damaged compo-

 

 

 

 

 

 

 

nents. Repair or replace before next use. Any

 

 

THE CUTT

ER

CAN FALL FROM

replacement components installed during repair shall

 

 

HYDRAULIC SYSTEM FAILURE. TO

include the components’ current safety decals speci-

 

 

AVOID SERIOUS INJURY OR DEATH,

fied by the manufacturer to be affixed to the compo-

 

 

SECURELY SUPPORT CUTTER BEFORE

nent.

 

 

 

 

WORKING UNDERNEATH.

 

3. Store cutter in a dry place.

 

 

 

 

 

 

 

 

 

 

40 HOURS

 

 

 

BEFORE EACH USE.

 

 

 

 

 

 

1. Check belt for proper tension. Refer to para-

 

 

1. Check tractor tire air pressure. Refer to tractor

graph 4-3.

 

 

 

operator’s manual. Check mower tire pressure (if

 

 

 

pneumatic tires). Tire pressure should be 30 psi.

4-2 LUBRICATION (Figures 4-1A, & B)

 

 

2. Check blades and spindles to be sure that

 

no foreign objects such as wire or steel strapping

 

 

NOTE

 

 

bands are wrapped around them.

 

The multi-purpose grease referenced in this

 

 

 

3. Check blade bolts for tightness. Tighten

 

secftion is an NLGI Grade 2 type grease.

 

 

blade bolts to 76 ft./lbs.

 

 

 

 

4. Inspect blades for wear. Replace if necessary

 

 

BEFORE EACH USE

 

per paragraph 4-5. Use only genuine Bush Hog

 

 

 

replacement parts. If it is necessary to sharpen the

 

1. Driveline Universal Joints - Apply multi-purpose

 

blades, remove the blades from the spindles before

grease with grease gun.

 

sharpening. DO NOT sharpen blades while still

 

2. Driveline Guard - Apply 2-3 shots of multi-pur-

 

attached to mower.

pose grease with grease gun to plastic fitting.

 

 

5. Make certain all shields are in place and in

 

3. Wheels - Apply multi-purpose grease wiith

 

good condition. Repair or replace any missing or

grease gun.

 

 

 

damaged shields.

 

4. Caster Pivot - Apply multi-purpose grease with

 

 

6. Inspect wheel(s) for wear, damage or foreign

grease gun.

40 HOURS

 

objects. Repair or replace if necessary.

 

 

 

 

7. Perform BEFORE EACH USE lubrication per

 

5. Input Gearbox - Add EP80W-90 gear oil, if nec-

 

paragraph 4-2.

essary, to bring oil level to check plug.

 

 

 

20 HOURS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6. Driveline - Disconnect PTO driveline, pull the

 

Figure 4-1A

 

 

 

 

 

two sections apart, thoroughly clean old grease from

 

 

(5) Before Each Use

 

 

 

tubes and apply thin coat of multi-purpose grease to

 

 

 

 

 

outside of inner (male) section. Reassemble sec-

 

 

 

 

 

 

 

 

tions and install. Pull each section to be sure drive-

 

 

 

 

 

 

 

 

line and shields are securely connected. Make cer-

 

 

 

 

 

 

 

 

tain PTO shielding is in good condition.

Figure 4-1B

(6) 20 Hours

 

(3) Before Each Use

 

 

 

 

 

(2) Before Each Use

(4) Before Each Use

 

 

(1) Before Each Use

 

 

 

 

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

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Bush Hog FTH 600, ATH 720 manual Section Maintenance, Maintenance Check List, After Each USE, Hours, Before Each USE