TURN COOLANT HEATER OFF

TM-9-2350-261-10 Recovery Vehicle Full Tracked: Medium M88A1 NSN 2350-00-122-6826 Winch Power Takeoff and Hoist System Manual
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TM 9-2350-261-10 TURN COOLANT HEATER O F F NOTE When coolant heater is turned off, blower will run until heater is purged of fuel and burner is COOL Indicator light will stay on u n t i l b l o w er stops. Driver should stay in carrier until blower stops. 1. Move RUN-OFF-START switch to OFF. 2. Allow coolant heater to purge itself. 3. Close coolant pump shutoff valve and coolant heater shutoff valve. 4. 5. Close power plant access door (page 2-151). Stow trim vane (page 2-217). CAUTION Carrier batteries can discharge. If carrier is not to be driven after 12 hours of running cool- ant heater, start and run engine until batteries are fully charged. NOTE Always turn coolant heater off and close coolant shutoff valves before starting engine. END OF TASK 2-237

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