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 591 of 1168
12-2. DEEP WATER FORDING KIT EXHAUST ASSEMBLY MAINTENANCE
This task covers:
a. Removal
c.
Installation
b. Inspection
a. Removal
1.
Remove three locknuts (1), washers (2), capscrews (10), washers (2), exhaust assembly (9), and
gasket (11) from muffler (3). Discard locknuts (1) and gasket (11).
2.
Remove two locknuts (4), washers (5), exhaust assembly (9), and two spacers (8) from wheel
house (7). Discard locknuts (4).
NOTE
Perform steps 3 through 5 for M997, M997A1, and M997A2 models only.
3.
Remove two bolts (18), washers (16), and exhaust extension (17) from upper body (25).
4.
Remove locknut (19), washer (20), noise damper (21), exhaust reinforcement bracket (24),
isolator (22), noise damper (23), and bolt (13) from exhaust extension (17). Discard locknut (19).
5.
Remove two isolators (15) and spacers (14) from bracket (24).
INITIAL SETUP:
Applicable Models
All models except M966, M966A1, M1025,
M1025A1, M1025A2, M1026, M1026A1
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Materials/Parts
Gasket (Appendix G, Item 42)
Five locknuts (Appendix G, Item 128)
Locknut (Appendix G, Item 79)
Manual References
TM 9-2320-280-10
TM 9-2320-280-24P
General Safety Instructions
Do not touch hot exhaust system components with
bare hands.
b. Inspection
1.
Inspect two insulators (6) for breaks, cracks, or deterioration. Replace if damaged.
NOTE
Perform step 2 for M997, M997A1, and M997A2 models only.
2.
Inspect two rivnuts (12) for thread damage or deterioration. Replace if damaged.
TM 9-2320-280-20-3
12-2
Change 2
WARNING
Do not touch hot exhaust system components with bare hands.
Severe injury will result.
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