TM 9-2350-267-10OPERATING AUXILIARY EQUIPMENTPages 2-191 through 2-206 provide operating instructions for personnel heater, M45and M27 periscopes, ventilation blower, Iights, fire extinguishers, communicationequipment, ventilated face piece system, chemical agent detection and alarm sys-tem and 0.50-caliber machine gun.OPERATING PERSONNEL HEATERWARNINGDo not place flammable materials or explosiveson or near personnel heater. To prevent Injury topersonnel and damage to equipment, do notblock or restrict the heater vent.Starting1. Move the heater control switch (1) to “START” if the control system is a man-ual start, or to “ON-LOW” if the heater is not equipped with manual start.2. If the heater does not staff within 2 minutes move the control switch to “OFF”for 10 seconds, and then immediately back to “START” or “ON - LOW”. Thestart attempt may be continued for an additional 1 minute.3. If the heater has not started after item 2, again move the control switch to“OFF" for 10 seconds, and then immediately back to “START” or “ON - LOW”.Another 1- minute attempt maybe made. This will make a total start time of 4minutes. If the heater has not started by this time, notify Organizational Main-tenance.2-190
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