- Clean the rear extension housing in a suitable solvent. Air dry
the housing.
- Inspect the extension housing for the following conditions:
| • | Replace a cracked housing |
| • | Nicked mounting surfaces |
| • | Damaged sealing surfaces |
| • | Damaged front or rear bearing bores |
- Inspect the machined mating surfaces for flatness. Check the mating
surfaces with a straight edge.
Use a fine mill file to dress minor scratches or burrs.
- Inspect the detent guide
plate. Look for worn edges or grooves where the detent ball and the lug travel.
- Replace the extension housing bushing. Refer to
Extension Disassemble
and to
Extension Assemble
.
