TM 9-2350-247-10OPERATE ENGINE COOLANT HEATER KIT (M548A3) — Continued 0041 009. To turn heater off, move the RUN-OFF-START switch to OFF.CAUTIONDo not turn master switch OFF until blower stops. Damage to engine coolant heater may result.10. Turn MASTER SWITCH to OFF.END OF TASK0041 00-4
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