Follow these instructions to keep the ATF cooler cleaner working properly:
Replace the two magnetic nonbypass spin-on filters after every 20 hours of use, based on the hour meter, or when you notice a restriction in the ATF flow.
Check the level and condition of the fluid in the tank before each use.
Replace the ATF in the tank when it looks dark or dirty.

Reassembly
Apply Molykote 44MA grease to the sliding surface of the pivot pin (A) and
the parking brake lever (B) for the rearward brake shoe (C).
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Transmission Side - Release Bearing Inspection
Check the play of the release bearing by spinning it by hand. If there is
excessive play or noise, replace the release bearing.
NOTE: The release bearing is packed with grease. Do not ...
Fuel Tank Replacement
Drain the fuel tank until it is less than half full.
Reinstall the fuel tank unit without connecting the fuel tank unit 4P
connector and the quick-connect fitting (feed l ...