TM-9-2320-279-20-1

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; ORGANIZATIONAL MAINTENANCE, VOLUME 1 OF 3

TM-9-2320-279-20-1 - Page 542 of 985

TM 9-2320-279-20-1

Cooling System Maintenance Instructions (Cont)

6-8. LEFT THERMOSTAT, COVER, AND HOUSING REMOVAL/INSTALLATION (CONT).

b. Installation.

WARNING

Adhesives, solvents, and sealing compounds can

burn easily, can give off harmful vapors, and are

harmful to skin and clothing. To avoid injury or

death, keep away from open fire and use in

well-ventilated area. If adhesive, solvent, or

sealing compound gets on skin or clothing, wash

immediately with soap and water.

(1)

(2)

(3)

(4)

Coat threads of plug (1) with pipe thread

sealing compound and install in thermostat

housing (2).

Install two clamps (3), hose (4), gasket (5),

and thermostat housing (2).

Install three screws (6, 7, and 8),

lockwasher (9), and washer (10).

Tighten two clamps (3).

(5)

(6)

(7)

6-26

Coat threads of fanstat (11) with pipe thread sealing compound. Install fanstat and two air

lines (12).

Coat threads of water temperature sending unit (13) with pipe thread sealing compound. Install

water temperature sending unit, wire (14), lockwasher (15), and nut (16).

Coat threads of alarmstat (17) with pipe thread sealing compound. Install alarmstat, wire (18),

lockwasher (19), and nut (20).