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![]() TM 5-2420-222-20-1 
LUBRICATING COOLER (ENGINE OIL COOLER) 
This task covers: 
a. Removal (page 2-156) 
e. 
Repair (page 2-158) 
b. Disassembly (page 2-157) 
f. 
Assembly (page 2-159) 
c. Cleaning (page 2-158) 
g. 
Installation (page 2-160) 
d. Inspection/Replacement (2-158) 
INITIAL SETUP: 
Tools 
Materials/Parts 
Driftpin, brass-tipped, 3/4-inch 
Packing, cooler 
File, thread restorer 
Rags, wiping (item 21, Appendix C) 
Harrlmer, ball-peen, 1-pound head 
Solvent, drycleaning (item 28, Appendix C) 
Hand pump, flow control valve, 
handle, and pressure gage 
Personnel Required 
Handle, ratchet, 1/2-inch drive 
Knife, pocket 
One 
Pan, drain 
Puller kit, mechanical, slide 
Equipment Condition 
hammer type 
Screwdriver, flat-tip, 114-inch 
1. Radiator drained (page 2-368) 
Socket, 1/2-inch drive, 1 1116-inch 
2. Engine oil filter element removed 
Thread set, pipe 
(page 2-168) 
Wrench, open-end, 5/16-inch 
Wrench, torque, 112-inch drive, 
0 to 150 foot-pound capacity 
ACTION 
LOCATION 
ITEM 
REMARKS 
REMOVAL 
1. Cooler (1) 
Plug (2) 
a. Place drain pan underneath. 
b. Using 5/16-inch open-end wrench, 
unscrew and take out. 
c.  Let oil drain completely. 
d. Get rid of drained oil (page 2-137). 
2. Two hoses (3) 
Two clamps (4) 
a. Place drain pan underneath. 
b. Using 1/4-inch flat-tip screwdriver, 
loosen. 
3. Cooler (1) 
Two hoses (3) with 
a. Take off. 
assembled clamps (4) 
b. Let coolant drain completely. 
c.  Get rid of drained coolant 
(page 2-137). 
2-156 
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