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 6-29 6.5.36 F2 - BURNER FLAMEOUT (Design Iteration 3 Only) DURING RUN OPERATIONS THE BURNER TEMPERATURE DROPS BELOW NORMAL OPERATING LIMITS;- FLAME OUT DURNIG HIGH TO LOW OR - XT BELOW FLAMEOUT THRESHOLD OR - BT BELOW FLAMEOUT THRESHOLD OR - XT DROPPED MORE THAN 40C IN 8 SECONDS CHECK/POSSIBLE CAUSE REF. REPAIR 1 CHECK IF VEHICLE FUEL FILTER IS PLUGGED VEHICLE TM REPLACE FUEL FILTER RESTART HEATER 2 CHECK FOR AIR BUBBLES IN THE FUEL LINE. BLEED AIR FROM FUEL LINES. 3 CHECK TO SEE IF FUEL LINE LEADING TO HEATER IS PINCHED OR OBSTRUCTED STRAIGHTEN FUEL LINES AND REMOVE OBSTRUCTIONS RESTART HEATER 4 CHECK THAT THERE IS AMPLE FUEL SUPPLY TABLE 2-1 FILL FUEL TANK WITH FUEL ENSURE A MINIMUM OF 3PSIG FUEL PRESSURE IS SUPPLIED TO THE HEATER INLET RESTART HEATER 5 CHECK FOR OBSTRUCTIONS IN ALL HEATER DUCTING REMOVE OBSTRUCTIONS RESTART HEATER 6 DEFECTIVE FUEL INJECTOR 5.5.5 REPLACE FUEL INJECTOR RESTART HEATER 7 CHECK FOR CARBON BUILD-UP ON BURNER FUEL SHAFT 5.3.7 CLEAN FUEL SHAFT 8 CHECK FOR CARBON ACCUMULATION OR OBSTRUCTIONS IN BURNER 5.3 REMOVE CARBON AND CLEAN COMBUSTION ASSEMBLY 9 DEFECTIVE FLAME TUBE AND BURNER CHAMBER 5.3.2 5.3.5 REPLACE FLAME TUBE REPLACE BURNER CHAMBER 10 DEFECTIVE BURNER HOUSING 5.3.7 REPLACE BURNER HOUSING RESTART HEATER 11 CHECK FOR LOOSE CONNECTIONS BETWEEN THE VENT FAN BOARD AND THE LOGIC BOARD RECONNECT THE P11 PLUG INTO THE VENT FAN BOARD AND THE P1 PLUG INTO THE LOGIC BOARD RESTART HEATER