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ENGINE OIL COOLER SUPPLY AND RETURN LINES REPLACEMENT (Cont'd) | Up
TM-9-2320-280-20-2 Truck Utility Cargo/Troop 1-1/4 Ton 4x4 Manual | Next
ENGINE AND TRANSMISSION OIL COOLER ASSEMBLY MAINTENANCE(Cont'd) |
TM 9-2320-280-20-2
3-8. ENGINE AND TRANSMISSION OIL COOLER ASSEMBLY MAINTENANCE
This task covers:
a. Removal
c. Cleaning and Inspection
b. Installation
INITIAL SETUP:
Tools
Equipment Condition
General mechanic’s tool kit:
Engine left splash shield removed (para. 10-17).
automotive (Appendix B, Item 1)
Power steering cooler removed (para. 8-28).
Manual References
General Safety Instructions
TM 9-2320-280-10
Do not drain oil when engine is hot.
TM 9-2320-280-24P
Compressed air used for cleaning purposes will
not exceed 30 psi (207 kPa).
CAUTION
Do not bend transmission oil cooler fins. Damaged fins reduce
cooling efficiency, which may damage engine and/or transmission.
a. Removal
WARNING
Do not drain oil when engine is hot. Severe injury to personnel will
result.
CAUTION
Cover or plug all hoses and connections immediately after
disconnection to prevent contamination. Remove all plugs prior to
connection.
NOTE
Have drainage container ready to catch oil.
Note position of hoses for installation.
1. Disconnect two engine oil cooler supply and return lines (7) from engine oil cooler ports (9).
2. Loosen two hose clamps (2) and disconnect two transmission oil cooler line connector hoses (1) from
transmission oil cooler ports (3).
3. Remove four socket-head screw and washer assemblies (5), washers (6) and oil cooler (4) from
radiator (8).
1. Install oil cooler (4) on radiator (8) with four washers (6) and socket-head screw and washer
assemblies (5).
2. Connect two transmission oil cooler line connector hoses (1) to transmission oil cooler ports (3) and
tighten two hose clamps (2). Tighten clamps (2) to 10-20 lb-in. (1-2 N*m).
3. Connect two engine oil cooler supply and return lines (7) to engine oil cooler ports (9).
c. Cleaning and Inspection
1. Remove four socket-head screw and washer assemblies (5) and washers (6) securing oil cooler (4) to
radiator (8).
2. Make four two-by-four wood blocks, 2-1/2 inches (63 mm) long. Raise oil cooler (4) 1-1/2 inches
(38 mm) and place one block under each comer between oil cooler (4) and radiator (8).
3-12
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