THERMOSTAT, HOUSING, AND HOSE REPLACEMENT - continued

TM 9-2320-361-24-1

0081 00

THERMOSTAT, HOUSING, AND HOSE REPLACEMENT (Contd)

WARNING

Accidental or intentional introduction of liquid contaminants

into the environment is a violation of state, federal, and

military regulations. Refer to Army POL (WP 0001 00) for

information concerning storage, use, and disposal of these

liquids. Failure to do so may result in damage to environment

and health of personnel.

NOTE

Use a drain pan to capture any draining coolant. Dispose of

fluids in accordance with local policy and ordinances. Ensure all

spills are cleaned up.

REMOVAL

Loosen two clamps (4) on hose (5).

Remove two screws (3), lockwashers (2), housing (1), and gasket (8) from intake manifold (7) and

hose (5). Discard lockwashers (2) and gasket (8).

NOTE

Observe position of seal in housing.

Remove thermostat (10) and seal (9) from housing (1). Discard seal (9).

Remove hose (5) and two clamps (4) from water pump (6).

TESTING

WARNING

Use caution when testing thermostat. Hot water may cause

injury to personnel.

NOTE

Do not let thermostat touch container sides.

Place thermostat (10) in container of water heated to 185F (85C).

Observe thermostat (10). If thermostat (10) fails to open, replace thermostat (10).

INSTALLATION

Install hose (5) and two clamps (4) on water pump (6). Do not tighten clamps (4).

NOTE

New seal must be pressed into same position as old seal.

Install new seal (9) on housing (1) by tapping into place.

Install thermostat (10) on housing (1).

Install new gasket (8) and housing (1) on hose (5) and intake manifold (7) with two new

lockwashers (2) and screws (3).

Tighten two clamps (4) on hose (5).

Install upper radiator hose (WP 0078 00).

Connect battery ground cable (WP 0126 00).

Lower and secure hood (TM 9-2320-361-10).

Release parking brake and remove wheel chocks (TM 9-2320-361-10).

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