Installation. - TM-9-2320-366-20-30641

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