TM-9-2320-280-20-3
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 3 OF 3
JANUARY 1996
TM-9-2320-280-20-3 - Page 577 of 1168
11-207. HEATER EXHAUST PIPE REPLACEMENT (M996, M996A1)
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Applicable Models
M996, M996A1
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item)
Materials/Parts
Two lockwashers (Appendix G, Item 144)
Manual References
TM 9-2320-280-24P
General Safety Instructions
Do not touch hot exhaust system components with
bare hands.
WARNING
Do not touch hot exhaust system components with bare hands.
Severe injury will result.
a. Removal
1.
Remove two screws (1) from exhaust pipe bracket (2) and body (7).
2.
Remove two capscrews (5) and lockwashers (6) from support bracket (4) and body (7). Discard
lockwashers (6).
3.
Remove exhaust pipe (3) and support bracket (4) by sliding out of exhaust outlet (8).
4.
Remove two nuts (9), U-bolt (10), clamp (11), and support bracket (4) from exhaust pipe (3).
TM 9-2320-280-20-3
Change 2
11-313
b. Installation
1.
Install support bracket (4) and clamp (11) on exhaust pipe (3) with U-bolt (10) and two nuts (9). Do
not tighten nuts (9).
2.
Install exhaust pipe (3) and support bracket (4) on body (7), ensuring end of exhaust pipe (3) is fully
seated on exhaust outlet (8).
3.
Install exhaust pipe bracket (2) on body (7) with two screws (1).
4.
Install support bracket (4) on body (7) with two lockwashers (6) and capscrews (5). Tighten
capscrews (5) to 15 lb-ft (20 N
•
m).
5.
Tighten two nuts (9) to 15 lb-ft (20 N
•
m).
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