TM-9-2320-361-20

2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)

TECHNICAL MANUAL; UNIT MAINTENANCE

OCTOBER 1991

TM-9-2320-361-20 - Page 395 of 1207

TM 9-2320-361-20

Section IX. COOLING SYSTEM MAINTENANCE

3-39. COOLING SYSTEM MAINTENANCE INDEX

PARA.

NO.

TITLE

PAGE

NO.

3-40.

3-41.

3-42.

3-43.

3-44.

3-45.

3-46.

347.

3-48.

Fan Replacement

Cooling System Servicing

Radiator and Brackets Replacement

Upper and Lower Radiator Hose Replacement

Personnel Heater Inlet and Outlet Hose Replacement

Water Manifold and Hose Replacement

Thermostat, Housing, and Hose Replacement

Water Pump Housing and Water Pump Replacement

Oil Cooler Tube and Hoses Replacement

3-92

3-94

3-96

3-100

3-102

3-103

3-104

3-106

3-108

3-40. FAN REPLACEMENT

This task covers:

a. Removal

b. Installation

INITIAL SETUP:

APPLICABLE MODELS

All

REFERENCES (TM)

TM 9-2320-361-10

MATERIALS/PARTS

TM 9-2320-361-20P

Four lockwashers

EQUIPMENT CONDITION

Parking brake set (TM 9-2320-361-10).

Hood raised and secured (TM 9-2320-361-10).

Battery ground cable disconnected (para. 4-48).

Upper radiator hose removed (para. 3-43).

CAUTION

Radiator core is easily damaged. Use care when working near or

handling radiator.

1. Loosen two locknuts (6) and tilt radiator (5) away from engine.

2. Remove four screws (3) and lockwashers (2) from fan (1) and water pump pulley (4). Discard

lockwashers (2).

3. Carefully remove fan (1) from water pump pulley (4).

b. Installation

1. Install fan (1) on water pump pulley (4) with four new lockwashers (2) and screws (3).

2. Push radiator (5) back in position and tighten locknuts (6).

3-92