TM-9-2350-261-10 Operator Manual M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
Page 419 of 764
TM 9-2350-261-10 TROUBLESHOOTING TABLE — Continued 0074 00 MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 2. Hard running in hot weather. Follow the precautions for driving in extreme heat (WP 0062 00). When engine overheats, stop carrier and run engine at 1000 to 1200 RPM until coolant temperature drops below 230 F (110 C). 3. Check to see if coolant level is low. Add coolant as needed (WP 0088 00). Check for coolant leaks. If you find any leaks, notify unit maintenance. 4. Check to see if radiator cap is sealed right. Make sure cap is on straight and tight (WP 0088 00). If cap is damaged or seal is broken, notify unit maintenance. 5. Check to see if there is enough air moving through intake grill and radiator. Remove any debris from intake grill, exhaust grill, and radiator fins. 6. Check to see if coolant fan is working properly. Look for loose or broken fan belts (WP 0075 00). If any belt is broken, worn, or loose, notify unit maintenance. 7. Check to see if engine oil level is low. Add oil as needed (WP 0075 00). 8. Check coolant fan drive system. Stop engine (WP 0029 00). Remove top rear power plant access panel (WP 0049 00). Pull on coolant fan drive belt to see if coolant fan will turn (WP 0075 00). If coolant fan does not turn, coolant fan drive system is broken. Do not operate carrier. Notify unit maintenance. 7. ENGINE OIL LOW PRESS WARNING LIGHT COMES ON 1. Check to see if engine oil level is low. C A U T I O N Operating carrier with an ENGINE OIL LOW PRESS warning light on can damage engine. If ENGINE OIL LOW PRESS warning light does not go off within 10 seconds after engine starts, stop engine. Add oil as needed (WP 0075 00). 2. Check to see if engine is overheating. See ENGINE OVERHEATS (page 0074 00-1). 0074 00-3/4 blank