TM-9-2350-277-10 Operator Manual M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-10 DESCRIPTION AND USE OF OPERATOR’S CONTROLS AND INDICATORS — Continued 0004 00 0004 00-41 Change 3 FUNCTION CONTROL OR INDICATOR HEAT CONTROL KNOB KEY Allows operator to turn heater on and off and select desired amount of heat. Table 32. ELECTRIC AIR HEATER POWER LIGHT Lights when heating element is on. NOTE In some vehicles the electric air heater’s controller is located separate from the heater.