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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 6-21 6.5.27 E4 - REVERSE BURNER AIR FLOW (Design Iteration 1 & 2 Only) BURNER FAN IS MEASURING REVERSE AIR THROUGH THE HEATER, OR IS OPERATING OUT OF RANGE CHECK/POSSIBLE CAUSE REF. REPAIR 1 CHECK THAT DUCTING OF THE COMBUSTION AIR SYSTEM TO THE INLET AND THE EXHAUST DUCTING ARE CORRECTLY ATTACHED TO THE HEATER 2.2 RECONNECT COMBUSTION AIR DUCTING CORRECTLY RESTART HEATER 2 CHECK THAT COMBUSTION AIR AND EXHAUST DUCTING IS FREE FROM OBSTRUCTIONS REMOVE OBSTRUCTIONS RESTART HEATER 3 CHECK FOR CARBON ACCUMULATION OR OBSTRUCTIONS IN COMBUSTION ASSEMBLY 5.3 REMOVE CARBON AND CLEAN COMBUSTION ASSEMBLY RESTART HEATER CHECK CONDITION OF FLAME TUBE AND BURNER CHAMBER 5.3.2 5.3.5 IF DISTORTED, REPLACE FLAME TUBE AND BURNER CHAMBER RESTART HEATER 4 DEFECTIVE BURNER FAN 5.5.4 REPLACE BURNER FAN PLATE RESTART HEATER 5 DEFECTIVE HEAT EXCHANGER 5.4.1 REPLACE HEAT EXCHANGER RESTART HEATER 6 DEFECTIVE ELECTRONIC PROGRAMMED CONTROLLER BOARD 5.2.5 REPLACE ELECTRONIC PROGRAMMED CONTROLLER RESTART HEATER