TM 9-2350-287-10OPERATING AUXILIARY EQUIPMENT (continued)OperatingAny time heater is started, it should be operated for at least 5 minutes to clear heater of allexcess fuel introduced during starting. After heater starts, it may be operated at either HIGHor LOW heat by positioning of HEAT SELECT switch.Shutting DownWARNINGDo not usevehicle MASTER switch to shut heater down, as fuelvapors may accumulate in ventilating air circuit.CAUTIONIf proper shutdown procedures are not followed, heater may bedamaged by reverse burning.To stop heater operation, move HEAT SELECT switch to OFF. Blower will continue tooperate for about 3 minutes to allow system to cool.NOTEIf blower continues to operate or otherwise malfunctions,notify Unit maintenance.Operating Ventilation Blower1.Turn MASTER switch (1) (on driver’s portable panel) to ON.2-188
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