Inspect fan guard for damage or unsafe conditions. Inspect mounting hardware for damage. Replace hoses
Reassemble the radiator assembly as shown in figure 3-3.
Install radiator assembly in accordance with TM 5-3810-295-12.
Section IV. REPAIR OF WATER PUMP
The water pump is of the centrifugal type, and is mounted on top of the engine oil cooler housing. The water pump
circulates coolant through the oil cooler, cylinder block, cylinder head and radiator.
Remove radiator cap, and drain the cooling system.
Loosen and remove the water pump belts.
Loosen e hose clamps and slide the hose up on the water by-pass tube.
Refer to figure 3-4 and remove the five screws (1) and lock washers (2) securing the water pump to the oil cooler
housing and take off the pump.
1 Cap screw (5)
2 Lock washer (5)
9 Pump impeller
3 Rubber ball
10 Pump seal
4 Pipe plug
11 Pump shaft
12 Pump body
6 Screw/lockwasher (7)
13 Pump gasket
7 Pump cover
Figure 3-4. Water pump assembly, exploded view.