Figure 2-5. Pressing Water Pump Pulley to Correct Depth

TM 10-3930-644-14&P

inside of pulley bore with Loctite retainer

7. Replace the lower hose connecting the radiator

compound.

to the pump. Secure clamps.

3. Place the pulley on a flat surface, see Figure 2-

8. Replace the by-pass hose connecting the pump

5, pressing on END of shaft with arbor to

to the thermostat housing on the cylinder head.

dimension determined in the Disassembly

section (Figure 2-2). Pulley should rotate freely.

9. Close the drain coc k at the bottom of the

radiator and beneath the alternator.

NOTE

Ensure that the fan belt has been

placed on the fan pulley prior to

Installing and securing the fan blade.

10. Install the fan blade with the

mounting

capscrews

and

lockwashers.

Tighten

capscrews securely.

11. Properly align fan belt at fan drive pulley, fan

pulley and alternator pulley and adjust fan belt

tension.

After proper adjustment, secure

alternator capscrews.

12. Fill the cooling system with clean water,

Figure 2-5. Pressing Water Pump Pulley to Correct

including anti-freeze, if climate dictates.

Depth

Replace radiator pressure cap.

4. Clean the gasket mounting surfaces on the

CAUTION

water pump flange and on the cylinder block,

DO NOT run the engine without water

and install new gasket. Use approved sealing

in the system. Running a pump dry

compound as required.

will damage the seal and shorten

pump life.

5. Install and secure the water pump with mounting

capscrews.

13. Operate the engine until the normal operating

temperature has been reached, then check the

6. Replace the coolant by-pass hose and tighten

cooling system for any evidence of leaks.

the clamps.

Correct if necessary. After thermostat opens,

coolant level should be topped-up.

CAUTION

Do not overtighten end nuts this

14. Replace the engine side panels and lower the

could cause by-pass tube to

operator's seat.

puncture or split.

R-155-1

3-108