3-49. MUFFLER AND CATALYTIC CONVERTER REPLACEMENT (M1123 AND
“A2” VEHICLES ONLY) (Cont’d)
TM 9-2320-280-20-2
Change 2
3-91
FOLLOW-ON TASK: Install tailpipe (para. 3-47).
2.
Install muffler (26) and two retaining plates (28) on muffler hanger (1) with four washers (3),
capscrews (27), washers (3), and locknuts (2).
3.
Install catalytic converter (18) on bracket (19) with U-bolt (17), two lockwashers (20), and nuts (21).
4.
Install gasket (22) and catalytic converter (18) on crossover pipe (14) with three washers (15),
capscrews (23), washers (15), and locknuts (16). Tighten locknuts (16) to 26 lb-ft (35 N•m).
5.
Install heat shield (4) on muffler (26) with two washers (9), lockwashers (6), and nuts (10).
6.
Install heat shield (11) on catalytic converter (18) with clamp (8).
7.
Install heat shield (11) on bracket (24) and muffler (26) with U-bolt (25), two washers (5),
lockwashers (6), and four nuts (7).
8.
Install heat shield (13) on crossover pipe (14) with two clamps (12). Tighten clamps (12) to 60 lb-in.
(6.8 N•m).
