TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 2 Download
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TM 9-2320-387-24-2 28-10. DIRECT CLUTCH ASSEMBLY REPAIR Manual References TM 9-2320-387-24P Equipment Condition Transmission disassembled into subassemblies (para. 28-3). General Safety Instructions Air pressure must not exceed 80 psi (552 kPa) when air-checking clutch piston. Maintenance Level General support This task covers: a. Disassembly d. Assembly b. Cleaning e. Direct Clutch Piston Movement Measurement c. Inspection NOTE Work area should be well-ventilated, clean, and free from blowing dirt and dust. 1. Remove snapring (1), clutch retainer (2), and outer race (3) from direct clutch housing (5). 2. Remove sprag assembly (4) from direct clutch housing (5). 3. Remove snapring (6), backing plate (7), five clutch plate assemblies (8), clutch plates (10), and dished plate (9) (1995-1996 transmissions only) from direct clutch housing (5). NOTE Piston removed in step 4 is for 1995-1996 transmissions only. 4. Using spring compressor, adapter, and clutch spring adapter, remove snapring (11), spring and retainer assembly (12), and piston (13) from clutch housing (5). NOTE Perform step 5 for 1995-1996 transmissions only. 5. Remove inner seal (14), outer seal (15), and center seals (16) from clutch housing (5). Discard seals (14), (15), and (16). Clean all direct clutch components in accordance with para. 2-14. NOTE For general inspection instructions, refer to para. 2-15. 1. Inspect backing plate (7), five clutch plates (10), and dished plate (9) (1995-1996 transmissions only) for signs of burning, scoring, or cracks. Replace any plate if burned, scored, or cracked. c. Inspection b. Cleaning a. Disassembly INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Dial indicator (Appendix B, Item 113) Special Tools Clutch spring compressor (Appendix B, Item 69) Adapter (Appendix B, Item 70) Adapter (Appendix B, Item 67) Seal protectors (Appendix B, Item 68) Materials/Parts Inner seal (Appendix G, Item 386) Center seal (Appendix G, Item 385) Outer seal (Appendix G, Item 387) Transmission fluid (Appendix C, Item 37) 28-38 Change 1