TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 3 Download
Page 591 of 1170
12-2. DEEP WATER FORDING KIT EXHAUST ASSEMBLY MAINTENANCE This task covers: a. Removal c. Installation b. Inspection a. Removal 1. Remove three locknuts (1), washers (2), capscrews (10), washers (2), exhaust assembly (9), and gasket (11) from muffler (3). Discard locknuts (1) and gasket (11). 2. Remove two locknuts (4), washers (5), exhaust assembly (9), and two spacers (8) from wheel house (7). Discard locknuts (4). NOTE Perform steps 3 through 5 for M997, M997A1, and M997A2 models only. 3. Remove two bolts (18), washers (16), and exhaust extension (17) from upper body (25). 4. Remove locknut (19), washer (20), noise damper (21), exhaust reinforcement bracket (24), isolator (22), noise damper (23), and bolt (13) from exhaust extension (17). Discard locknut (19). 5. Remove two isolators (15) and spacers (14) from bracket (24). INITIAL SETUP: Applicable Models All models except M966, M966A1, M1025, M1025A1, M1025A2, M1026, M1026A1 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Gasket (Appendix G, Item 42) Five locknuts (Appendix G, Item 128) Locknut (Appendix G, Item 79) Manual References TM 9-2320-280-10 TM 9-2320-280-24P General Safety Instructions Do not touch hot exhaust system components with bare hands. b. Inspection 1. Inspect two insulators (6) for breaks, cracks, or deterioration. Replace if damaged. NOTE Perform step 2 for M997, M997A1, and M997A2 models only. 2. Inspect two rivnuts (12) for thread damage or deterioration. Replace if damaged. TM 9-2320-280-20-3 12-2 Change 2 WARNING Do not touch hot exhaust system components with bare hands. Severe injury will result.