Radiator - TM-10-3930-630-120090

TM 10-3930-630-12

Figure 4-52. Water pump and fan, installed view.

(4) Loosen clamp and disconnect lower hose

(5) Install drive belt over fan and water pump

(fig. 4-53) from water pump inlet

drive pulley, drive adapter pulley and alternator pulley

(5) Loosen clamp and disconnect bypass hose

(fig. 4-34). Refer to paragraph 451 and adjust belt

tension.

(6) Remove mounting screws and remove

(6) Install fan (fig. 4-52) on pulley and secure

water pump and gasket from engine block. Move

wit four screws.

alternator adjusting brace (fig. 4-52) away from water

(7) Close drain valve (fig. 4-53) in radiator

pump to remove pump.

outlet

d Installation.

elbow. Close drain valve (fig. 4-51) in engine block.

Refer to paragraph 3-12 and fill radiator.

(1) Clean pump mounting surface. Remove

(8) Operate engine and check water pump and

all rust and old gasket material from surface

hoses for leaks. Shutoff engine.

(2) Install new gasket and water pump (fig. 4-

(9) Close side panels and lower seat into

52 on engine block. Secure pump to block with

position.

mounting screws. Attach alternator adjusting brace (fig.

4-52) with upper pump mounting screw

4-69. Radiator

(3) Install bypass hose (fig. 4-52) on pump

and secure hose by tightening clamp

a. General The radiator stores coolant and provides

(4) Connect lower hose (fig. 4-53) to pump

cooling surfaces for the fan driven air to pass over and

inlet and secure with clamp.

lower the temperature of the coolant. It is mounted at

the rear of the truck in a cutout in the counterweight. A

grille protects the radiator.

4-62