TM-9-2350-277-10 Operator Manual M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-10 TROUBLESHOOTING TABLES—Continued 0089 00 MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 8. Check coolant fan drive system: a. Stop engine (WP 0024 00). b. Remove top rear power plant access panel (WP 0040 00). c. Pull on coolant fan drive belt to see if coolant fan will turn (WP 0090 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 C A U T I O N Operating carrier with and 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. 1. Check to see if engine oil level is low. Add oil as needed (WP 0090 00). 2. Check to see if engine is overheating. See ENGINE OVERHEATS (page 0089 00-2). 8. ENGINE COOLANT LOW LEVEL WARNING LIGHT COMES ON. 1. Check to see if coolant level is low. Add coolant as needed (WP 0097 00). Check for coolant leaks. If you find any leaks, notify unit maintenance. 0089 00-4 Change 3 If coolant fan turns, push in and turn thermostatic fan speed switch bypass button to the left (old configuration) or move toggle switch to the UP position for manual fan speed OVERRIDE (new configuration). Install top rear power plant access panel (WP 0040 00). Start engine (WP 0021 00). Drive carrier under similar conditions of reported overheat. Notify unit maintenance that thermostatic fan speed switch bypass button (old configuration) or manual fan speed override switch (new configuration) has been activated. If engine still overheats, stop engine immediately (WP 0024 00). Notify unit maintenance.