TM 9-2350-261-10O P E R A T E E N G I N E C O O L A N T H E A T E R BELOW -25°F (-31°C) D E S C R I P T I ONThis task covers:Turn Coolant Heater On (page 2-235).Turn Coolant Heater Off (page 2-237).INITIAL SETUP Personnel Required: Equipment Conditions (cont): DriverTrim vane lowered (page 2-217)Power plant access door openedEquipment Conditions: (page 2-151)Personnel heater fuel supply valveEngine coolant heater kit installedopen (page 2-26)TURN COOLANT HEATER 3. Check to make sure personnelO Nheater fuel supply valve is open.1. Open coolant pump shutoff valveand coolant heater shutoff valve.2. Open coolant heater fuel supplyvalve.GO TO NEXT PAGEChange 22-235
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