TM-9-2350-261-10 Operator Manual M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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TM 9-2350-261-10 DESCRIPTION AND USE OF OPERATOR’S CONTROLS AND INDICATORS — Continued 0004 00 Table 14. ENGINE COOLANT HEATER CONTROL BOX KEY CONTROL OR INDICATOR FUNCTION HI-LO SWITCH Controls engine coolant heater output. COOLANT HEATER LIGHT Indicates that coolant heater is on. PRESS-TO-TEST SWITCH When switch is pressed, light will come on if light bulb is good and if power is coming into the control box. RUN-OFF-START SWITCH Controls operation of coolant heater. 0004 00-18