TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
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KNOWN INFO TEST OPTIONS NO YES d1. ENGINE OVERHEATS (CONT) Does fan clutch spin freely without air applied? TM 9-2320-366-20-1 6. POSSIBLE PROBLEMS Notify DS Maintenance. Replace fan clutch (para 6-14). 2-146 Change 2 Coolant level OK. Radiator core free of debris. WATER TEMP gage OK. Radiator OK. Upper and lower coolant hoses OK. Radiator cap OK. Radiator overflow tank and hoses OK. Cooling system pressure OK. Radiator fan shroud OK. Water pump OK. Thermostat OK. Faulty fan clutch. REASON FOR QUESTION If fan clutch spins freely without air pressure applied, fan clutch is faulty. Visual Inspection