TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
Page 684 of 953
TM 9-2320-280-20-2 6-21. DIFFERENTIAL COVER MAINTENANCE This task covers: a Removal c. Installation b. Cleaning and Inspection INITIAL SETUP: Tools Manual References General mechanic’s tool kit: TM 9-2320-280-10 automotive (Appendix B, Item 1) TM 9-2320-280-24P Materials/Parts General Safety Instructions Sealant (Appendix C, Item 38) Drycleaning solvent is flammable and will not be Drycleaning solvent (Appendix C, Item 18) used near an open flame. NOTE The following procedure applies to vehicles with new brake adapters, P/N 10453002. These brakes are cut away, which allows access to left center capscrews. Have drainage container ready to catch fluid. a. Removal 1. Remove drainplug (3) from differential assembly (4) and drain differential. 2. Remove twelve capscrews (2) and cover (1) from differential assembly (4). b. Cleaning and Inspection WARNING Drycleaning solvent is flammable and will not be used near an open flame. A fire extinguisher will be kept nearby when the solvent is used. Use only in well-ventilated places. Failure to do this may result in injury to personnel and/or damage to equipment. 1. Use drycleaning solvent to clean differential cover (1), capscrews (2), and differential assembly (4). 2. Inspect differential cover (1) for cracks, wear, or breaks. Replace cover (1) if cracked, worn, or broken. 1. Apply RTV sealant to cover (1) sealing surface and install cover (1) on housing (4) with twelve capscrews (2). Tighten capscrews (2) to 16 lb-ft (22 N m). 2. Install drain plug (3) into differential assembly (4) and tighten to 13-18 lb-ft (18-25 N m). 6-52