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 5-62 Heat Exchanger (Continued) 8. Disconnect the Vent Sensor connector (J5). Note: The Vent Sensor connector has a self locking tab that needs to be lifted to allow the two halves of the connector to come apart. 9. Using a 7/16" open ended wrench, loosen the nut at the Exhaust Sensor Fitting and remove the Exhaust Sensor from the Exhaust Port. Figure 5.8-3 Exhaust Sensor Fitting Location !CAUTION! DO NOT set the Top Housing on the Secondary Air Duct Hose. Place the Top Housing on it’s side with the fuel inlet facing upwards. Set the Heat Exchanger so that the Vent Sensor is facing upwards. 10. Using a #2 cross-tip screwdriver, remove the four (4) screws that hold the Top Housing to the Heat Exchanger. Lift the Top Housing away from the Heat Exchanger. 11. Gently pry open the channel on the side of the Heat Exchanger and remove the Vent Sensor wire. 12. Using a #2 cross-tip screwdriver, remove the three (3) screws from the Vent Sensor. Gently pull the Vent Sensor away from the Heat Exchanger.