Bush Hog 865H Manuel de l'opérateur télécharger pdf (Page 16)

THE CUTTER CAN FALL FROM HYDRAULIC

SYSTEM FAILURE. TO AVOID SERIOUS

INJURY OR DEATH, SECURELY SUPPORT

CUTTER BEFORE WORKING UNDERNEATH.

BEFORE EACH USE

1. Make certain driveline shields are in place and

in good repair to minimize entanglement injuries

to persons by rotating drivelines.

2. Make certain deflector shields (chains, bands,

etc.) are in good repair to minimize injuries to per-

sons by the discharge of high speed thrown

objects.

3. Inspect blades for wear. Replace if necessary per

paragraph 4-3. Always replace both blades on

spindle with two blades equal in weight. Use

only genuine Bush Hog replacement blades.

4. Check blade bolts for tightness. Tighten (dry

unlubed bolt) to 600ft./lbs. (812 Nm).

5. Check blades and spindles to be sure that no for-

eign objects such as wire or steel strapping bands

are wrapped around them.

6. Inspect hydraulic lines and fittings for wear or

leaks. Repair or replace if needed.

USE A PIECE OF CARDBOARD OR WOOD

RATHER THAN HANDS AND WEAR EYE PRO-

TECTION WHEN SEARCHING FOR HYDRAULIC

LEAKS. ESCAPING HYDRAULIC OIL UNDER

PRESSURE CAN PENETRATE THE SKIN. IF OIL

IS INJECTED INTO THE SKIN, IT MUST BE SUR-

GICALLY REMOVED WITHIN A FEW HOURS BY

A DOCTOR OR GANGRENE MAY RESULT.

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

objects. Repair or replace if necessary.

8. Check tractor tire air pressure. Refer to tractor

operator’s manual.

9. Perform BEFORE EACH USE lubrication per

paragraph 4-2.

10. During operation, listen for abnormal sounds

which might indicate loose parts, damaged bear-

ings or other damage.

11. Check tapered pin retaining each end of each

driveline for tightness. Tighten nut to 30

ft./lbs. Use only genuine Bush Hog replace

ment parts.

AFTER EACH USE

1. Clean all debris from machine especially under-

side of deck and affixed safety decals. Replace

any missing or illegible decals.

2. Inspect cutter for worn or damaged components.

Repair or replace before next use. Any replace-

ment components installed during repair shall

WARNING

include the components current safety decals

specified by the manufacturer to be affixed to the

component.

3. Store cutter in a dry place.

4-2 LUBRICATION (Figure 4-1)

NOTE:

The multi-purpose grease referenced in this section is

an NLGI Grade 2 type grease.

Input Driveline - Machine must be lowered to ground

before lubrication so holes in shield will align.

BEFORE EACH USE

NOTE:

All drivelines are designed to have the grease fittings

on any driveline to all be accessible once one fitting id

positioned for serviceability. The shields must be ro-

tated to expose the fittings once the driveline is posi-

tioned.

If care is tken during the initial assembly of the cutter

and all drivelines are assembled so the fittings on all

drivelines are pointed up, rotating the input driveline

from one to five times will reposition all driveline fit-

tings so they are acessible.

1. Driveline Universal Joints - Apply 2-3 shots of

multi-purpose grease with grease gun.

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

purpose grease with grease gun to plastic fitting.

3. Constant Velocity (CV) Joint - Position CV

joint as straight as possible to be sure

grease will penetrate to ball joint. Lubricate

the central body with a minimum of 30 shots

of grease every 8 hours. Lubricate telescop-

ing members with 10 shots every 8 hours and

clean telescoping members every 40 hours

and completely coat with grease.

4. Axle Pivot and Self Leveling Hitch - Apply 2-3

shots of multi-purpose grease with grease gun.

5. Driveline - Apply 3-4 shots multi-purpose

grease to grease fitting accessible on outer

shield half.

6. Axle Arm Pivot Pins - Apply multi-purpose

grease with grease gun.

7. Gearboxes - Add EP80W-90 oil, if necessary,

to bring oil level to check plug located on

side of housing. Capacity of transfer

gearbox is 2.75 quarts (2.6L). Blade gearbox

capacity is 6 quarts (5.7L).

40 HOURS

8. Wing Turnbuckles - Apply multi-purpose grease

slowly with grease gun.

120 HOURS

9. Wheel Bearings - Apply multi-purpose grease

slowly with grease gun until grease relieves

around seal.

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Bush Hog 865H Manuel de l'opérateur Page 16

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