TM-9-2350-261-10 Operator Manual M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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TM 9-2350-261-10 OPERATE ENGINE COOLANT HEATER BELOW –25 F (–31 C) — Continued 0060 00 2. Open coolant heater fuel supply valve. 3. Check to make sure personnel heater fuel supply valve is open. C A U T I O N Overheating will damage batteries. Do not use coolant heater if temperature is above -25 F (-31 C). Carrier batteries can discharge. Do not operate carrier lights, radios, or other electrical equipment while coolant heater is running. 4. Press PRESS-TO-TEST switch. Check that indicator light comes on. 0060 00-2 º º º º