TM 5-3810-306-20CAUTIONDo not let any gasket material/debrisfall into thermostat cavity.e. Clean all sealing surfaces on engine block andthermostat housing.INSPECTION:1.TEST THERMOSTATS.a. Place thermostats (7) and thermometer (15) inwater.b. Place water heater (14) in water.c. Watch thermostats (7) and thermometer (15) aswater temperature rises.d. Note temperature when thermostats (7) open.Thermostats (7) must open at 180°F. If not,replace with new thermostats (7).INSTALLATION:1.INSTALL THERMOSTATS (7).a. Install thermostats (7) in cylinder block.b. Align new thermostat gasket (6) and thermostathousing (5) with cylinder block mounting holesand secure with outer capscrews (4).c. Align water outlet connection (2) and newconnection gasket (3) with thermostat housingholes and secure with two capscrews (1).Torque capscrews (1) and (4) to 18 ft-lbs (24Nm).7-17
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