FRONT LOCKING HUB REPLACEMENT.
This task covers:
One O ring seal
Grease (Item 26, Appendix C)
Screwdriver bit set, J-29843
Remove 6 screws
but may be installed if desired.
(1) and locking hubcap unit (2).
may not be on truck. Snapring is not necessary for operation,
Iockring (5). Remove snapring (3)
from axle shaft (7), Remove locking
hub body unit (6) from wheel hub (8).
Discard O ring seal.
Clean all components
and axle shaft (7), and lubricate with grease
Flat side of snapring (3) must face inward.
Position locking hub body unit (6) in wheel hub (8). Install snapring (3) on axle shaft (7)
groove. Install Iockring (5) and new O ring seal (4) on inside of locking hubcap unit (2).
Aline tabs (9) with locking hub body unit (6) slots and install locking hubcap unit (2) with 6
screws (1). Tighten screws to 45 lb.-in. (5 Nm).
Check operation of locking hub.