COOLANT HEATER MALFUNCTIONS

COOLANT HEATER MALFUNCTIONSContinued - TM-9-2350-277-20-1_418

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TM 9-2350-277-20-1 COOLANT HEATER MALFUNCTIONS 0089 00 INITIAL SETUP: Maintenance Level Unit Tools and Special Tools General Mechanic’s Tool Kit (WP 0926 00, Item 65) Electrical Connector Pliers (WP 0926 00, Item 31) Multimeter (WP 0926 00, Item 30) Personnel Required Unit Mechanic 63T10 References See your -10 TM 9-2450-205-24&P Equipment Condition Engine stopped (see your -10) Carrier blocked (see your -10) Trim vane lowered (see your -10) Power plant access door open (see your -10) Driver’s power plant access panel removed (see your -10) Power plant rear access panel removed (see your -10) Ramp lowered (see your -10) Heater on HI (see your -10) Rear floor plates removed (WP 0539 00) thru (WP 0545 00) Engine cold T 1. Depress HEATER ON indicator cover lens (see your -10). 2. Does indicator light come on? YES NO GO TO AY (PAGE 0089 00-3) Y 1. Release HEATER ON indicator. 2. Move HEATER SWITCH to START. 3. Does heater blower come on? YES NO GO TO BY (PAGE 0089 00-5) 2Y 1. Does heater fuel pump come on? YES NO GO TO DY (PAGE 0089 00-7) 3Y 1. Does coolant circulating pump come on? YES NO GO TO FY (PAGE 0089 00-8) 0089 00-1

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