TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
Page 118 of 953
3-53. MUFFLER SUPPORT BRACKET MAINTENANCE This task covers: a. Removal c. Assembly b. Disassembly d. Installation INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Four locknuts (Appendix G, Item 128) Manual References TM 9-2320-280-24P Equipment Condition • Muffler and insulator removed (all models except M1123 and “A2” series vehicles) (para. 3-48). • Muffler and catalytic converter removed (M1123 and “A2” vehicles only) (para. 3-49). TM 9-2320-280-20-2 3-96 Change 3 NOTE Hold bolt heads on transfer case secure to prevent changing torque or damaging transfer case seal. Remove two locknuts (1), washers (2), and support bracket assembly (3) from transfer case (4). Discard locknuts (1). 1. Remove two locknuts (9), washers (8), capscrews (5), washers (6), mounting bracket (11), and washers (6) from support plate (10). Discard locknuts (9). 2. Remove two insulators (7) from mounting plate (11). 1. Install two insulators (7) in mounting bracket (11). 2. Install two washers (6) between mounting bracket (11) and support plate (10) with two washers (6), capscrews (5), washers (8), and locknuts (9). Tighten locknuts (9) to 15 lb-ft (20 N•m). NOTE Hold bolt heads on transfer case secure to prevent changing torque or damaging transfer case seal. Install support bracket assembly (3) to transfer case (4) with two washers (2) and locknuts (1). Tighten locknuts (1) to 15 lb-ft (20 N•m). d. Installation c. Assembly b. Disassembly a. Removal