TM-9-2350-277-10 Operator Manual M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-10 OPERATE ENGINE COOLANT HEATER (BELOW –25 F (–31 C)) — Continued 0062 00 2. Open coolant heater fuel supply valve. 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. 3. Press PRESS-TO-TEST switch. Check that indicator light comes on. 4. Move RUN-OFF-START switch to START. Hold switch in START until indicator light comes on. 0062 00-2