Figure 3-35. Oil cooler core, hose, and elbow, exploded view.
b. Testing. Test aftercooler by immersing in water,
side and 50 psi of air on oil side of
applying 9 psi air pressure, and watching for leaks.
cooler.
NOTE
3-28. Aftercooler for Engine Model D333TA
Be sure core is dry inside. When
testing at low pressure, it is possible
a. Removal and installation.
that water or sediment inside core
could prevent air from passing out of
(1) Drain coolant system to level below
aftercooler (TM 5-3810-201-12).
a small hole and the leak would be
(2) Remove
external
coolant
lines,
undetected.
thermostat, and fittings (TM 5-3810-201-12).
(3) Refer to figures 3-36 and 3-37 and remove
c. Cleaning, Inspection, and Repair.
Clean,
aftercooler cover and core as required.
inspect, and repair aftercooler in a manner similar to that
(4) Install in reverse order of removal.
described for oil cooler in paragraph 3-27c above.
AGO 20051A
3-44
