TM-9-2320-280-20-2
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 2 OF 3
JANUARY 1996
TM-9-2320-280-20-2 - Page 113 of 951
3-49. MUFFLER AND CATALYTIC CONVERTER REPLACEMENT
(M1123 AND “A2” VEHICLES ONLY) (Cont’d)
TM 9-2320-280-20-2
Change 3
3-91
FOLLOW-ON TASK: Install tailpipe (para. 3-47).
4.
Install manifold seal assembly (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 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) 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).
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