VEHICLE COMPARTMENT HEATER MALFUNCTIONSContinued

VEHICLE COMPARTMENT HEATER MALFUNCTIONSContinued - TM-9-2350-247-20-1_417

TM-9-2350-247-20-1 Crane (CAB) Components Recovery Vehicle Full Tracked: light Armored M578 (2360-00-439-6242) (EIC:3LA) Manual
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TM 9-2350-247-20-1 VEHICLE COMPARTMENT HEATER MALFUNCTIONS—Continued 0085 00 4Y 1. Move RUN-OFF-START switch to RUN. Do not stop at OFF position. 2. Does blower and pump stay on? YES NO 4YN 1. Replace heater RUN-OFF- START switch. See task: Repair heater control box (WP 0472 00). 2. Verify no faults found. 5Y 1. Check how long heater produce hot air. 2. Does heater continue producing hot air for ten minutes? YES NO 5YN 1. Heater shuts off prematurely. See TM 9-2540-205-24&P. 6Y 1. Listen to heater blower. 2. Turn HI-LO switch to HI. 3. Does blower speed increase? YES NO GO TO FY (PAGE 0085 00-8) 7Y 1. Feel heater hot air outlet. 2. Has air temperature increased? YES NO 7YN 1. Shut off heater (see your -10). 2. Faulty heater restrictor solenoid. See TM 9-2540-205-24&P. 8Y NOTE Heater shuts off prematurely if air inlet temperature is 60 degrees or above. This is normal. 1. Run heater on HI for ten minutes. 2. Does heater continue producing hot air? YES NO 8YN 1. Shut off heater (see your -10). 2. Insufficient heater operation. See TM 9-2540-205-24&P. 9Y 1. Turn RUN-OFF-START switch to OFF. 2. Does blower remain on? YES NO 9YN 1. Heater does not purge. See TM 9-2540-205-24&P. 0085 00-2

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