TM 9-2320-273-20
4-12. COOLING SYSTEM MAINTENANCE TASK SUMMARY.
INITIAL SETUP
APPLICABLE CONFIGURATIONS
All.
TEST EQUIPMENT
Belt tension gage.
SPECIAL TOOLS
Thermostat mandrel No. 139.
MATERIALS/PARTS (P/N)
Insulators (2) CBA24-500 (76005)
Liquid teflon (refer to appendix C).
Container (60 qt min).
Gasket (6620-00-047-281 1).
Rubber seal (5330-00-864-5422).
O-Rings (4) (5330-00-506-4874).
Sealing rings (6) (5330-00-143-8369).
Gasket, 210859 (15434).
Soap solution.
Gasket, 3011931 (15434).
Gasket, 208132 (15434).
Gasket, water pump to engine block
(5330-01 -066-5350) .
Gasket, water pump to heater manifold
208132 (15434).
EQUIPMENT
CONDITION PARA
CONDITION DESCRIPTION
4-41A.
Upper fan shroud removed.
4-42A.
Coolant drained.
4-49A, 4-51A. 4-47A.
Water pump belt removed.
4-46A.
4-25A.
4-41A.
4-44A.
4-45A.
6-10A.
5-73A.
4-27A.
11-29A, 11-32A.
11-16E.
11-16A.
10-22A.
Fan clutch “actuator removed.
Air cleaner removed.
Upper shroud & fan removed.
Fan removed.
Fan belts removed.
Transmission oil cooler hoses removed.
Water temperature switch wire removed.
Turbo air inlet removed
Hood removed
Brush guard removed (M916/M920).
Grille removed.
Steering pump cooler hoses removed.
SPECIAL ENVIRONMENTAL CONDITIONS
Vehicle parked on level ground.
GENERAL SAFETY INSTRUCTIONS
Engine off; transmission in neutral.
Park brake set.
PERSONNEL REQUIRED
One or two (MOS-63B20).
REFERENCES (TM)
TM 9-2320-273-10.
TM 9-2320-273-20P.
REFERENCES (TROUBLESHOOTING)
Table 4-1.
4-18
