TM 9-2320-280-20-2
6-12. GEARED HUB INPUT SEAL REPLACEMENT
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Tools
Materials/Parts
General mechanic’s tool kit:
Input seal (Appendix G, Item 55)
automotive (Appendix B, Item 1)
Lubricating oil (Appendix C, Item 26)
Vise insert (Appendix B, Item 170)
Manual References
Special Tools
TM 9-2320-280-24P
Installer (Appendix B, Item 126)
Driver handle (Appendix B, Item 75)
Equipment Condition
Halfshaft removed (para. 6-9).
NOTE
Shim gaskets must be reused to maintain proper drive gear
bearing adjustment.
1. Remove capscrew (1), washer (2), and vent line bracket (3) from drive gear retainer (4).
2. Remove three capscrews (1), washers (2), drive gear retainer (4), and shim gasket(s) (5) from geared
hub (6).
3. Install drive gear retainer (4) in vise with inserts and remove input seal (7). Discard input seal (7).
b. Installation
1. Using driver handle and input seal installer, install input seal (7) in drive gear retainer (4). Ensure
radius on outer diameter of input seal (7) faces toward inside of geared hub (6).
2. Install shim gasket(s) (5) and drive gear retainer (4) to geared hub (6) with three washers (2) and
capscrews (1). Tighten capscrews (1) to 38 lb-ft (52 N m).
3. Install vent line bracket (3) to drive gear retainer (4) with washer (2) and capscrew (1). Tighten
capscrew (1) to 38 lb-ft (52 N m).
4. Coat lip of input seal (7) with lubricating oil.
6-32
