Thread Fasteners

a. Check that threads on all threaded fasteners are not stripped
    or cross-threaded. Replace if damaged.

b. Replace all self-locking nuts.

 Case, Rearhousing, Bell Housing, Covers

a. Check that all structured parts are not cracked, broken, or damaged. Replace if damage is in a bearing
    or structural area. Cracks or holes in any nondimensional or structural area may be repaired by welding.

b. Check that all threaded holes are not stripped or cross-threaded. Repair by retreading oversize or using
    helical inserts.

c. Check that covers are not bent or cracked. Repair by straightening or welding.

d. Check that bores for detent balls and dowels are not worn. Replace steel sleeve if worn.

e. Check gasket surfaces for nicks, scratches, or breaks that may cause leaks. Clean with fine emery.
    Gasket surface can be repaired by welding and machining. Otherwise replace part.

Oil Seals

a. Check that oil seals are not worn, chipped, torn, brittle, or cracked. Replace if damaged.

b. Check that seal springs are not deformed and in place. Restore spring to its position if seal is not
    otherwise damaged.