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 5-91 5.9.6.2 Burner Fan Plate Assembly Repair (Design Iteration 2 & 3 Only) Figure 5-24. Burner Fan Plate Assembly 5.9.6.2.1 Removal Note: For some installations, this procedure can be done without removing the heater from the vehicle, but require power and fuel to be disconnected from the heater. 1. Remove Top Cover (ref. 5.4.1). 2. Remove Wiring Harness connectors from the Fuel Pressure Sensor (J4) (ref. 5.9.1) and the Diagnostic Display (J2) (ref. 5.9.2). 3. Remove Wiring Harness connectors from the Fuel Injector (J5), (ref. 5.9.5) and the Burner Fan Driver Board (J3) (ref. 5.9.6). Note: All the connectors in the Top Housing are different in size and shape. All connectors have locking tabs, which can be released by finger pressure. 4. Remove the two (2) fuel lines from the Burner Fan Plate fuel fittings. 5. Remove Fuel Pump (ref. 5.9.3). 6. Using a #1 cross-tip screwdriver, unscrew the two (2) screws that hold the MS Power connector (J2) to the Top Housing. Screw Star Washer Fuel Pump #8 Screws #6 Screws Burner Fan Plate Fuel Injector MS Power Connector