TM 5-3810-207-20/TO 36C23-3-37-12Figure 155. Carrier engine radiator Shroud, removal and installation.(5)Adjust the hydraulic steering pump beltand the three fan belts (TM 5-3810-207-10).(6)Fill the cooling system to proper level (TM5-3810-207-10).259. Thermostat Cover and Thermostatsa.Removal.(1)Drain the cooling system (TM 5-3810-207-10).(2)Remove the hoses from the thermostatcover, radiator, and water pump (par.257).(3)Remove the carrier engine thermostatcover and the two thermostats asinstructed on figure 158.b.Test.(1)Place the thermostats in a pan of waterand heat the water until the thermostatsstart to open. They should start to open at160°F. and should be fully opened at180°F.(2)Allow water to cool with the thermostats init. Test the temperature of the water atthe time the thermostats start to close andagain when they are fully closed. Thethermostats should start to close at 175 °F. and be fully closed at 155 °F.c.Cleaning and Inspection.(1)Clean all parts with an approved cleaningsolvent.(2)Inspect the thermostats for properoperation and other damage. Replacedefective thermostats.(3)Inspect all other parts for cracks, breaks,and other damage. Replace all defectiveparts.201
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