TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-1 COOLANT HEATER MALFUNCTIONS 0089 00 INITIAL SETUP: M a i n t e n a n c e L e v e l Unit T o o l s a n d S p e c i a l T o o l s General Mechanic’s Tool Kit (WP 0926 00, Item 65) Electrical Connector Pliers (WP 0926 00, Item 31) Multimeter (WP 0926 00, Item 30) P e r s o n n e l R e q u i r e d Unit Mechanic 63T10 R e f e r e n c e s See your -10 TM 9-2450-205-24&P E q u i p m e n t C o n d i t i o n 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