4-31 Section 4 - Lubrication & Maintenance

Every 500 Hours

Operation 38

3

Clean the Engine Air Precleaner

The engine air precleaner must be checked to be

1

sure that debris is not causing any obstruction at the

precleaner inlet..

 

To inspect the inlet to the precleaner, loosen the two

 

hose clamps (1) attaching boot (2) to the air cleaner

2

tube (3) and the precleaner (4)..

4

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Slide the boot toward the front of the tractor on the tube.. Inspect the inlet (5) of the precleaner, and remove any debris accumulated in this area..

After the precleaner is cleaned, reinstall the boot and tighten the hose clamps securely..

5

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Loosen the clamp (6) and disconnect the aspirator hose (7) where it connects to the precleaner aspirator tube..

Inspect by looking down inside the precleaner aspirator tube and remove any accumulated debris.. Check that the flapper door (8) is operating properly..

7

6

8

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435/485/535