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 122 of 951
3-55. RIGHT EXHAUST MANIFOLD HEAT SHIELD REPLACEMENT
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Special Tools
Hex-head driver, 8mm (Appendix B, Item 156)
Materials/Parts
Locknut (Appendix G, Item 128)
Personnel Required
One mechanic
One assistant
Manual References
TM 9-2320-280-10
TM 9-2320-280-24P
Equipment Condition
• Right exhaust manifold rear heat shield removed
(para. 3-54).
• Hood raised and secured (TM 9-2320-280-10).
• Engine access cover removed (para. 10-15).
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.
1.
Using hex-head driver, loosen three socket head screws (3) on heat shield (4), exhaust manifold (2),
and cylinder head (1).
2.
Remove locknut (7), washer (6), capscrew (5), washer (6) and heat shield (4) from crossover pipe (8)
and exhaust manifold (2). Discard locknut (7).
1.
Position heat shield (4) on exhaust manifold (2) and crossover pipe (8).
2.
Using hex-head driver, secure heat shield (4) and exhaust manifold (2) to cylinder head (1) with
three socket-head screws (3). Tighten socket-head screws (3) to 25-33 lb-ft (34-45 N
•
m).
3.
Install heat shield (4) on exhaust manifold (2) and crossover pipe (8) with washer (6), capscrew (5),
washer (6), and locknut (7). Tighten locknut (7) to 37 lb-ft (50 N
•
m).
b. Installation
a. Removal
TM 9-2320-280-20-2
3-100
Change 3
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