TM-9-2350-247-10 Operator Manual M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-10 OPERATE ENGINE COOLANT HEATER KIT (M548A3) — Continued 0041 00 NOTE The coolant shutoff valve (inlet) should be opened only during operation of the engine coolant heater. The coolant shutoff valve (outlet) may be left open at all times. 3. Open both shutoff valves by turning valve handles counterclockwise as far as they’ll go. One coolant shutoff valve (inlet) is at the upper right front corner of the engine. Another coolant shutoff valve (outlet) is on the lower left side of the engine next to air cleaner. 4. Press the indicator light housing. If the light glows, you know you have power to the heater controls. If the light doesn’t glow when you press the housing, troubleshoot heater (WP 0055 00). 0041 00-2