TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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TM 9-2320-280-34 9-6. GEARED HUB REPAIR This task covers: a. Disassembly c. Installation 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 9-2320-280-24 Dial indicator (Appendix G, Item 95) Blind hole puller set Equipment Condition (Appendix G. Item 138) optional Geared hub removed (TM 9-2320-280-20). Special Tools General Safety Instructions Input seal installer (Appendix G, Item 88) Ensure locktab on lockwasher is bent completely Spindle seal installer (Appendix G. Item 90) into slot on retaining nut. Eight-slotted retaining Driver handle (Appendix G, Item 66) nut provides additional security by enabling two Geared hub locknut wrench locktabs to be bent into slots on retaining nut. (Appendix G, Item 89) Materials/Parts Maintenance Level Input seal (Appendix E, Item 179) Direct support Spindle seal (Appendix E, Item 183) Spindle lockwasher (Appendix E, Item 93) 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. 9-10