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 97 of 764
TM 9-2320-361-34
3-14.
ENGINE OIL COOLER REPLACEMENT
THIS TASK COVERS:
a. Removal
b.
Installation
INITIAL SETUP
APPLICABLE MODELS
REFERENCES (TM)
All
TM 9-2320-361-20
TOOLS
TM 9-2320-361-34P
General mechanic’s tool kit
EQUIPMENT CONDITION
(Appendix B, Item 1)
. Engine coolant drained (TM 9-2320-361-20).
11/16-in. flare wrench (Appendix B, Item
52)
.
Secondary fuel filter head removed
MATERIALS/PARTS
(TM 9-2320-361-20).
Thirteen lockwashers (Appendix F, Item 121)
Two preformed packings (Appendix F, Item 179)
Gasket (Appendix F, Item 48)
Gasket (Appendix F, Item 49)
Cap and plug set (Appendix
C,
Item 5)
Sealing compound (Appendix C, Item 17)
CAUTION
Cap or plug all openings immediately after disconnecting lines and
hoses to prevent contamination. Remove caps or plugs prior to
installation. Failure to do so may result in damage to equipment.
a. Removal
1. Remove nut (3) and lockwasher (4) from stud (20). Discard lockwasher (4).
2. Remove
four dust covers (1) from injector ports (22) and slide up injector line (23) and three
lines (2).
3. Remove two locknuts (27), screws (26), washers (25), and clamps (24) from injector line (23).
NOTE
Tag injector lines for installation.
4. Remove injector line (23) from injector pump port (22).
5. Remove three injector lines (2) from injector pump ports (22) and injectors (9) and remove injector
line retainer clamp (5) and washer (21) from stud (20).
6. Remove nut (14), lockwasher (13), and clamp (12) from stud (8). Discard lockwasher (13).
NOTE
Have drainage container ready to catch coolant.
7. Remove eleven nuts (16), lockwashers (15), cover (17), gasket (11), oil cooler (10), gasket (18), and
two preformed packings (19) from oil cooler housing (6), and studs (7) and (8). Discard gaskets (11)
and (18), preformed packings (19), and lockwashers (15).
8. Remove gasket remains from cover (17), oil cooler (10), and oil cooler housing (6).
3-46
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