TM-9-2540-207-14&P Sustainment Manual for A20 Heater for M113 2540-01-396-2826 Download
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TM 9-2540-207-14&P 6-15 6.5.19 CA - FUEL INJECTOR FAULT (Design Iteration 1 & 2 Only) OPERATING PARAMETERS FOR THE FUEL INJECTOR ARE OUTSIDE NORMAL LIMITS CHECK/POSSIBLE CAUSE REF. REPAIR 1 CHECK THAT ELECTRICAL CONNECTOR IS ATTACHED TO FUEL INJECTOR 5.5.5 RECONNECT FUEL INJECTOR TO WIRING HARNESS RESTART HEATER 2 CHECK THAT GROUND LUG (LOCATED UNDERNEATH TOP HOUSING) IS ATTACHED 5.4.1 FASTEN GROUND LUG TO TOP HOUSING CHASSIS RESTART HEATER 3 CHECK THE RESISTANCE OF FUEL INJECTOR. 5.5.5 IF RESISTANCE SHOWS GREATER THAN 100 OHMS OR OPEN CIRCUIT, THE FUEL INJECTOR HAS FAILED.REPLACE FUEL INJECTOR RESTART HEATER IF RESISTANCE IS APPROXIMATELY 15 OHMS, THEN GO TO STEP 4. 4 DEFECTIVE WIRING HARNESS 5.5.6 REPLACE WIRING HARNESS RESTART HEATER 5 DEFECTIVE ELECTRONIC PROGRAMMED CONTROLLER BOARD 5.2.5 REPLACE ELECTRONIC PROGRAMMED CONTROLLER RESTART HEATER 6.5.20 CA - FUEL INJECTOR FAULT (Design Iteration 3 Only) OPERATING PARAMETERS FOR THE FUEL INJECTOR ARE OUTSIDE NORMAL LIMITS CHECK/POSSIBLE CAUSE REF. REPAIR 1 CHECK THAT ELECTRICAL CONNECTOR IS ATTACHED TO FUEL INJECTOR RECONNECT FUEL INJECTOR TO WIRING HARNESS PLUG P5 AND RECONNECT THE HARNESS PLUG P8 TO THE POWER BOARD RESTART HEATER 2 CHECK THE RESISTANCE OF FUEL INJECTOR. 5.5.5 IF RESISTANCE SHOWS GREATER THAN 100 OHMS OR LESS THAN 5 OHMS, THE FUEL INJECTOR HAS FAILED. REPLACE FUEL INJECTOR RESTART HEATER IF RESISTANCE IS APPROXIMATELY 15 OHMS, THEN GO TO STEP 3. 3 CHECK WIRING HARNESS FOR DAMAGE AND CONTINUITY CHECK 2 WIRES FROM PLUG P5 TO POWER BOARD PLUG P8: P5-PIN1 TO P8-PIN4 P5-PIN2 TO P8-PIN3 CHECK FOR SHORT; P5-PIN1 TO CHASIS SHOULD BE OPEN LINE P5-PIN2 TO CHASIS SHOULD BE OPEN LINE IF ANY CHECK FAILS REPLACE WIRING HARNESS RESTART HEATER 4 DEFECTIVE POWER BOARD REPLACE POWER BOARD RESTART HEATER 5 DEFECTIVE LOGIC BOARD REPLACE LOGIC BOARD RESTART HEATER