TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
Page 219 of 1205
TM 9-2320-387-24-l ENGINE COOLING I KNOWN INFO I COOLANT OK THERMOSTAT OK POSSIBLE PROBLEMS COOLING COMPONENTS SERPENTINE BELT WATER PUMP & PULLEY KNOWN INFO I COOLANT OK PRESSURE CAP OK THERMOSTAT OK POSSIBLE PROBLEMS HOSES SURGE TANK RADIATOR THERMOSTAT ENGINE FAN WATER PUMP & PULLEY KNOWN INFO COOLANT OK PRESSURE CAP OK THERMOSTAT OK HOSES OK SURGE TANK OK OIL COOLER OK POSSIBLE PROBLEMS RADIATOR ENGINE FAN WATER PUMP 8 PULLEY DIAGNOSTIC FLOWCHART fla@ I TEST OPTIONS / INSPECT THE PRESSURE CAP. PRESSURE TESTER IS IT IN GOOD CONDITION? I REASON FOR QUESTION TEST OPTIONS INSPECT ALL RADIATOR HOSES, LOOK. COOLANT HOSES, SURGE TANK, RADIATOR, OIL COOLER, AND FllTlNGS FOR DAMAGE, BLOCKAGE, OR LARGE LEAKS. IS EVERYTHING IN GOOD SHAPE? REASON FOR QUESTION Physical damage and blocked I I passages can cause cooling IF BLOCKED. OTHERWISE, NOTIFY DS MAINTENANCE -CHAPTER i r -7 6 IS THE ENGINE FAN WORKING PROPERLY? I- OPTIONS LOOK -- SEE DESCRIPTION OF OPERATION AT RIGHT. REASON FOR QUESTION The engine fan helps cool the engine. 2-162 --