TM 5-4320-300-14
6-5. OIL COOLER (CONT)
Location/item
Action
Remarks
INSPECTION
CAUTION
If there is leakage between the lubrication system and cooling system, change the oil and filter.
Also flush the cooling system to remove oil contaminants. Refer to LO 5-4320-300-12 (figure 4-1).
6.
Oil cooler
Inspect for corrosion, holes, cracks, or other
core
damage. Inspect sealing surfaces for corrosion
and pitting.
7.
Oil cooler
Inspect for corrosion, cracks, or other dam-
housing
age. Inspect sealing surfaces for corrosion and
pitting.
INSTALLATION
8.
Gaskets
Position new gaskets on sealing surfaces of oil cooler core and housing.
CAUTION
Engine damage may occur if the core is installed with inlet and outlet openings in the reverse
position. Aline matchmarks to prevent any remaining foreign particles and sludge from entering
and circulating through the engine.
9.
Oil cooler
Aline matchmarks and insert core into housing.
core
Insert mounting bolts through holes in housing,
gaskets, and core.
10. Oil cooler
Clean any remaining gasket material from mating
sealing surface on bottom of water pump.
Position
assembled oil cooler on engine.
Install mounting
bolts and torque to 13 to 17 ft lb (18 to 23 N.m).
Install lower radiator hose on oil cooler housing
and tighten clamp securely.
6-14
