TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
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This task covers: a. Removal b. Installation WARNING Do not touch hot exhaust system components with bare hands. Severe injury will result. 1. Remove three locknuts (9), washers (6), capscrews (5), and washers (6) from tailpipe (1) and muffler (7). Discard locknuts (9). 2. Remove two nuts (3), lockwashers (4), and U-bolt (10) from tailpipe (1) and hanger (2). Discard lockwashers (4). 3. Remove tailpipe (1) and gasket (8) from muffler (7). Discard gasket (8). a. Removal INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Gasket (Appendix G, Item 42) Three locknuts (Appendix G, Item 128) Two lockwashers (Appendix G, Item 133) 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. TM 9-2320-280-20-2 3-86 Change 3 3-47. TAILPIPE REPLACEMENT Section IV. EXHAUST SYSTEM MAINTENANCE 3-46. EXHAUST SYSTEM MAINTENANCE TASK SUMMARY TASK PAGE PARA. PROCEDURES NO. 3-47. Tailpipe Replacement 3-86 3-48. Muffler and Insulator Replacement 3-88 (All models except M1123 and “A2” vehicles) 3-49. Muffler and Catalytic Converter Replacement 3-90 (M1123 and “A2” vehicles only) 3-50. Crossover Pipe Replacement 3-92 3-51. Tailpipe Hanger Replacement 3-94 3-52. Tailpipe Insulator Replacement 3-95 3-53. Muffler Support Bracket Maintenance 3-96 3-54. Right Exhaust Manifold Rear Heat Shield Replacement 3-98 3-55. Right Exhaust Manifold Heat Shield Replacement 3-100 3-56. Left Exhaust Manifold Replacement 3-102 3-57. Right Exhaust Manifold Replacement 3-104 3-58. Muffler Hanger Replacement 3-106