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 6-25 6.5.33 F1 - IGNITION OVERTIME (Design Iteration 1 & 2 Only) THE HEATER WAS UNABLE TO ESTABLISH IGNITION IN THE 3½ MINUTE TIME LIMIT CHECK/POSSIBLE CAUSE REF. REPAIR 1 CHECK THAT WIRE IS INSTALLED ONTO IGNITOR AND THAT IGNITOR HATCH IS INSTALLED CORRECTLY 4.1.1 INSTALL WIRE ON IGNITOR POST INSTALL IGNITOR HATCH RESTART HEATER 2 CHECK THAT IGNITOR HOLDER IS CLEAN 4.1.1 CLEAN IGNITOR HOLDER RESTART HEATER 3 CHECK THAT IGNITOR IS WET WITH FUEL IF IGNITOR IS DRY THEN PROCEED TO STEPS 3-9 IF IGNITOR IS WET THEN PROCEED TO STEPS 10-16 4 CHECK THAT VEHICLE OR SOURCE FUEL PUMP IS OPERATING VEHICLE TM RECONNECT SOURCE FUEL PUMP RESTART HEATER 5 CHECK IF VEHICLE FUEL FILTER IS PLUGGED VEHICLE TM REPLACE VEHICLE FUEL FILTER RESTART HEATER 6 REMOVE TOP COVER AND CHECK FOR AIR BUBBLES IN FUEL LINE. CHECK IF FUEL LINE TO HEATER IS PINCHED/OBSTRUCTED BLEED AIR FROM FUEL LINES, STRAIGHTEN FUEL LINES AND REMOVE OBSTRUCTIONS RESTART HEATER 7 CHECK FOR AMPLE FUEL SUPPLY TABLE 2-1 FILL FUEL TANK WITH FUEL & RESTART 8 DEFECTIVE FUEL INJECTOR 5.5.5 REPLACE FUEL INJECTOR RESTART HEATER 9 CHECK FOR FUEL FLOW FROM THE SOURCE PUMP TO THE FUEL INJECTOR VEHICLE TM TURN VEHICLE FUEL PUMPS ON AND REMOVE OBSTRUCTIONS AND BENDS IN FUEL LINES RESTART HEATER 10 HEATER IS FLOODED (AFTER 3 “NO START” CONDITIONS) 3.5 IF HEATER IS FLOODED, PURGE 3 TIMES WITHOUT STARTING (SEE 3.5) WAIT FOR 30 MIN. ATTEMPT THREE MORE STARTS. 11 CHECK FOR CARBON BUILD-UP ON BURNER FUEL SHAFT 5.3.7 CLEAN FUEL SHAFT 12 CHECK FOR OBSTRUCTIONS OF BURNER SYSTEM 5.3 CLEAN COMBUSTION ASSEMBLY 13 CHECK CONDITION OF FLAME TUBE AND BURNER CHAMBER 5.3.2 5.3.5 REPLACE FLAME TUBE AND BURNER CHAMBER RESTART HEATER 14 WICK IS DEGRADED 5.3.6 REPLACE BURNER CARTRIDGE 15 DEFECTIVE WIRING HARNESS 5.5.6 REPLACE WIRING HARNESS RESTART HEATER