4-25 Section 4 - Lubrication & Maintenance

Every 250 Hours

Operation 29

 

Clean the Transmission Breather (CAT TA22 only)

1

The transmission breather (1) is located on the upper

 

rear side of the transmission.. Unscrew and remove the

 

breather..

 

Clean the breather in clean, nonflammable solvent..

Re-install the breather..

F4-102

Operation 30

Check the Air-Conditioner Drain Hoses

A/C drain hoses are routed down inside the front cab door posts (two per side) and exit below the front frame..

Withdraw the hoses and inspect the dust valves (2)

 

fitted to the end of each tube.. Ensure that they are

 

sealing properly and that condensation from the

 

A/C can drain away.. Clean when necessary.. If the dust

 

valves are missing, replace.. Refit drain tubes between

 

the fender and frame..

2

NOTE: Blocked drain tubes can lead to the A/C unit

F4-32

filling with condensation and leaking into the roof

 

headliner causing damage to electrical components.

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