Check all parts for indications of excessive wear, cracks, or elongation of threads. Replace any parts not in
a. Refer to figure 3-5. The oil cooler assembly should be reassembled directly on the engine.
b. Install gasket (18) and (19), adapter (17) and secure with screws (14) and (15) and lock washers (16).
c. Install new gaskets (11) and (13) on core (12) and insert the core into the cooler housing (10).
The inlet and outlet openings in the cooler core are marked accordingly. It is important that the core be installed in
the correct position to prevent any sludge or foreign particles remaining in the core from circulating
through the engine.
d. Align match marks placed on the housing and core, and install the oil cooler core in the oil cooler housing (10).
e. With the match marks aligned, place the oil cooler housing and core against the oil cooler adapter. Secure
the housing with screws (7) and lock washers (8). Tighten screws (7) to 13--17 ft-lb (1-23 N. m).
Install drain cock (9).
a. Install new gasket (6) and elbow (5). Secure with screws (3) and lock washer (4). Install hose (2) and
secure with hose clamps (1).
b. If adaptor (17) was removed, reinstall the oil filter. Be sure the draincock (9) is closed, and fill the
cooling system to the proper level.
Section VI. REPAIR OF AIR INLET HOUSING
The air inlet housing is mounted on the side of the air blower. The housing serves as a mounting for the air filter, and
contains an air shut-off valve that shut off the air supply and stops the engine when emergency shut down is necessary.
a. Refer to TM 5-3810-295-12 and remove the air filter assembly.
b. Disconnect the control wire from the air shut off cam pin handle.
c. Refer to figure 3-6 and remove screws (1), (2) and (3), and locknuts (4) and flat washers (5). Lift air inlet
housing from the side of the air blower.
d. Cover the air blower opening to prevent dirt or foreign material from entering the blower.