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.

Cylinder Head Installation
Clean the cylinder head and the engine block surface.
Install a new coolant separator (A) in the engine block whenever the
engine block is replaced.
Install a new ...
Operation in Alaska, Hawaii, Canada, and Puerto Rico
Map Coverage
All roads displayed on the map screens are
verified roads. Information in this manual
relating to “unverified” roads or areas is
not applicable.
Address and Place Entry
Screens
...
Countershaft Disassembly (M/T)
NOTE: Refer to the Exploded View in the countershaft reassembly, as needed,
when removing components pressed onto the countershaft.
Securely clamp the countershaft assembly in a bench vise wi ...