Bush Hog MID MOUNT ZERO TURN SERIES Operator's Manual download pdf (Page 14)

SECTION IV

Maintenance

4-1 Maintenance Check List

Before Each Use

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

eign objects, such as wire or steel strapping bands,

are wrapped around them.

2. Inspect blades for wear. Replace if necessary.

Use only genuine Bush Hog replacement parts. If it

is necessary to sharpen the blades, remove the

blades from the spindles before sharpening. DO

NOT sharpen blades while still attached to

the

mower.

3. Make sure all shields are in place and in good

condition. Repair or replace any missing or dam-

aged shields.

4. Perform lubrication per paragraph 4-2.

5. Listen for abnormal sounds, which might indicate

loose parts, damaged bearings, or other damage.

Correct any deficiency before continuing operation.

6. With the engine off, engage the blower assembly.

Check the belt tension and inspect the pulley belt for

cracks or tears.

7. Check for wear or deterioration of the upper or

lower hoses. If there are any portions of the hose

have been torn or worn through, replace with gen-

uine Bush Hog replacement parts

After Each Use:

1. Clean all debris from machine especially from the

container, underneath the belt shields and off safety

decals. Replace any missing or illegible decals.

2. Inspect unit for worn or damaged components.

Repair or replace before next use. Any replacement

components installed during repair shall include the

components current safety decal specified by the

manufacturers to be affixed to the component.

3. Check belt for proper tension

4-2 Lubrication

NOTE: Use only white lithium base grease for lubri-

cation of the shaft on the blower assembly and the

idler pulley block.

1. On initial use:

Grease the fittings on the blower and idler assembly.

The Grease Fittings can be seen in Figure 19.

2. Every 25 Hours of use:

Regrease the Grease Fittings.

4-3 Cam Assembly Adjustment

The cam assembly, which controls the blower belt

tension, comes from the factory pre-adjusted. If the

belt is too tight or becomes too loose, remove the

hair pin clip from the belt tension rod and pull the “L”

end of the rod out of it’s hole in the cam assembly.

The tension rod may then be screwed out to tighten

the belt or screwed in to loosen the belt. Replace the

“L” end into the top hole in the cam and replace the

hair pin clip. Adjust the cam stop bolt to allow the

cam to rotate slightly over center when the blower is

disengaged. (Figure 20)

Figure 20 Cam Adjustment

Figure 19 Lubrication Points

Blower

Grease Fitting

Idler

Grease Fitting

Belt Tension Rod

Cam Stop Bolt

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Bush Hog MID MOUNT ZERO TURN SERIES Operator's Manual Page 14

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