TM-9-2350-247-10 Operator Manual M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-10 TROUBLESHOOTING TABLE — Continued 0056 00 INITIAL SETUP: M a i n t e n a n c e L e v e l Operator ENGINE COOLANT HEATER KIT MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 1. COOLANT HEATER DOES NOT START WITH RUN-OFF-START SWITCH HELD IN START POSITION. 1. Check if MASTER SWITCH is OFF. Turn MASTER SWITCH ON. 2. Defective heater. Notify unit maintenance. 2. COOLANT HEATER OVERHEATS. 1. Check if one or both coolant shutoff valves are closed. Open coolant shutoff valves (W P 0040 00 or WP 0 041 00). 2. Defective heater. Notify unit maintenance. 3. COOLANT HEATER OUTPUT IS TOO LOW. 1. Check if the HI-LO switch is in LO position. Move HI-LO switch to HI position (W P 0040 00 or WP 0 041 00). 4. BATTERIES OVERHEAT. 1. Air temperature is too warm to need the engine coolant heater. Turn off engine coolant heater (W P 0040 00 or WP 0 041 00). You do not need to use heater if temperature is above -25 F (-32 C). 2. Engine and engine coolant heater are both running. Turn off engine coolant heater (W P 0040 00 or WP 0041 00) as soon as the engine starts. 0056 00-13/14 blank Change 1 º º