TM 9-2320-280-34
This task covers:
a.
Disassembly
c.
Inspection
b. Cleaning
d. Assembly
INITIAL SETUP:
Tools
Manual References
General mechanic's tool kit:
TM 9-2320-280-20
automotive (Appendix G, Item 1)
TM 9-2320-280-24P
Dial indicator (Appendix G, Item 95)
Equipment Condition
Blind hole puller set
Geared hub removed (TM 9-2320-280-20).
General Safety Instructions
Special Tools
Ensure locktab on lockwasher is bent
Input seal installer (Appendix G, Item 88)
completely into slot on retaining nut. Eight-
Spindle seal installer (Appendix G, Item 90)
slotted retaining nut provides additional
Driver handle (Appendix G, Item 66)
security by enabling two locktabs to be bent
Geared hub locknut wrench
into slots on retaining nut.
(Appendix G, Item 89)
Maintenance Level
Materials/Parts
Direct support
Input seal (Appendix E, Item 232)
Spindle seal (Appendix E, Item 241)
Key washer (Appendix E, Item 260)
Anaerobic sealer (Appendix B, Item 45)
Sealing compound (Appendix B, Item 49)
Grease (Appendix B, Item 20)
a. Disassembly
1.
Position geared hub (4) with spindle (5) supporting geared hub (4).
2.
Remove eight capscrews (1), washers (2), and side cover (3) from geared hub (4).
NOTE
If backlash between drive and driven gears is more than 0.018 in.
(0.46 mm) both gears must be replaced.
3.
Mount dial indicator on geared hub (4) and index indicator to register from one drive gear (7) tooth.
Move drive gear (7) back and forth while holding driven gear (6) stationary to read backlash.
Change 2
