TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-20-1 VEHICLE COMPARTMENT HEATER MALFUNCTIONS — Continued 0085 00 10Y 1. Listen to heater until blower shuts off. 2. Does blower shut off in less than five minutes? 10YN 1. Faulty heater flame detector switch. See TM 9-2540-205-24&P. 11Y 1. Heater is operating properly. 2. Verify no faults found. BY 1. Remove heater-on indicator cover lens (1) and bulb (2). 2. Check continuity between bulb center contact and base. 3. Does multimeter indicate continuity? BYN 1. Replace heater-on bulb (WP 0472 00). 2. Verify no faults found. 0085 00-3 Change 1