TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
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a. Removal 1. Remove drainplug (2) from geared hub (1) and drain geared hub (1). Install drainplug (2) in geared hub (1). Tighten drainplug (2) to 8-13 lb-ft (11-18 N•m). 2. Remove four capscrews (5), washers (4), and steering arm cover (3) from geared hub (1). 4. Using retaining nut wrench, remove retaining nut (14 ), key washer (13), and keyed washer (12) from spindle (7). Discard key washer (13). NOTE Have drainage container ready to catch oil. 6-13. GEARED HUB SPINDLE SEAL REPLACEMENT This task covers: a. Removal b. Installation Manual References TM 9-2320-280-10 TM 9-2320-280-24P Equipment Condition Wheel removed (para. 8-3). General Safety Instructions Ensure locktab on key washer is bent completely into slot on retaining nut. INITIAL SETUP Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Special Tools Wrench (Appendix B, Item 127) Installer (Appendix B, Item 128) Driver handle (Appendix B, Item 75) Materials/Parts Key washer (Appendix G, Item 65) Plain encased seal (Appendix G, Item 291) Grease (Appendix C, Item 22) Sealer (Appendix C, Item 39) Lubricating oil (Appendix C, Item 29) Sealing compound (Appendix C, Item 45) TM 9-2320-280-20-2 6-34 Change 3 NOTE For new configuration, two locktabs on key washer must be bent away from retaining nut for removal. NOTE If four-slotted retaining nut TN-07 is present, it is recommended to replace it with eight-slotted retaining nut 12342680. 3. Bend locktab on key washer (13) away from retaining nut (14).