TM-9-2320-366-20-3 MTV Unit Maintenance Manual M1083 Series - Volume 3 Download
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TM 9-2320-366-20-3 (9) Remove four self-locking nuts (23), screws (24), and exhaust heat shield (25) from two muffler support brackets (11). Discard self-locking nuts. (10) Remove two self-locking nuts (26), screws (27), and muffler straps (28) from muffler (4). Discard self-locking nuts. b. Installation. NOTE Perform steps (1) through (5) on vehicle serial numbers 0001 through 3091, except M1088 and M1089, that have not previously had a muffler replaced. (1) Scribe a line on muffler support bracket (1) 9.7 in. (24.6 cm) out from right frame rail (2). (2) Scribe a line on muffler support bracket (1) 1.25 in. (3.2 cm) from front edge of front muffler support bracket. (3) Drill a pilot hole at intersection of lines scribed in steps (1) and (2). (4) Enlarge pilot hole to 16.5 mm. (5) Perform steps (1) through (4) on rear muffler support bracket. 5-5