TM-9-2320-361-34
2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
MAY 1992
TM-9-2320-361-34 - Page 103 of 764
TM 9-2320-361-34
3-17. INTAKE AND EXHAUST MANIFOLDS MAINTENANCE
THIS TASK COVERS:
a. Intake and Exhaust Manifolds Removal
d. Exhaust Manifold Assembly
b. Exhaust Manifold Disassembly
e. Intake and Exhaust Manifolds Installation
c. Cleaning and Inspection
INITIAL SETUP
APPLICABLE MODELS
EQUIPMENT CONDITION
All
●
Thermostat
and housing removed
TOOLS
(TM 9-2320-361-20).
●
Personnel heater hoses removed
General mechanic’s tool kit
(Appendix B, Item 1)
(TM 9-2320-361-20).
●
Oil
dipstick
tube removed (TM 9-2320-361-20).
MATERIALS/PARTS
●
Turbocharger removed
(para.
5-5).
●
Uncovered
manifold heater removed, if installed
Two gaskets (Appendix F, Item 27)
(TM 9-2320-361-20).
Six seal rings (Appendix F, Item
241)
●
Covered manifold heater removed, if installed
Twelve locknuts (Appendix
F, Item 90)
(TM 9-2320-361-20).
PERSONNEL REQUIRED
●
Water outlet manifolds removed
(TM 9-2320-361-20).
Two
●
Engine
temperature sending unit removed
REFERENCES (TM)
(TM 9-2320:361-20).
●
Air
cleaner assembly removed
TM 9-2320-361-20
TM 9-2320-361-34P
(TM 9-2320-361-20).
I
a. Intake and Exhaust Manifolds Removal
1. Remove drain valve (7) and plug (8) from intake manifold (4).
2. Remove sixteen nuts (6) and washers (5) from intake manifold
(4).
3. Remove twelve locknuts (11) and washers (10) from exhaust manifold (9). Discard locknuts (11).
4.
Loosen two screws (17) on starter solenoid bracket (18).
NOTE
Assistant will help with steps 5 and 6.
5. Remove intake manifold (4), exhaust manifold (9), and two gaskets (3) from cylinder heads (1)
and (2). Discard
gaskets (3).
6.
Remove excess gasket (3) material from cylinder heads (1) and (2), intake manifold (4), and exhaust
manifold (9).
b. Exhaust Manifold Disassembly
1.
Remove manifold sections (12) and (14) from manifold section
(16).
2.
Remove six flange seal rings (13) from manifold sections (12) and (14). Discard seal rings (13).
3. Remove two plugs (15) from exhaust manifold sections (12) and
(14).
c. Cleaning and Inspection
1.
For general cleaning instructions, refer to para. 2-8.
2. For general inspection instructions, refer to para. 2-9.
3. Inspect three expansion plugs (13) for looseness, leaking or damage. If loose or damaged, replace,
3-52
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