4-25 Section 4 - Lubrication & Maintenance
Every 250 Hours
Operation 29
Clean the Transmission Breather (CAT TA22 only)
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..
Operation 30
Check the
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..
NOTE: Blocked drain tubes can lead to the A/C unit filling with condensation and leaking into the roof
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