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 4-6 5. Use a wire brush to carefully remove any carbon deposits from the Ignitor Holder. 6. Gently wipe the Ignitor with a cloth to remove any carbon buildup. Ignitor & Ignitor Holder Inspection (Continued) !CAUTION! When removing or installing the Ignitor and/or Ignitor Holder, Do NOT allow any objects to come into contact with the Fuel Shaft. Damage will occur and cause heater malfunction. Installation !CAUTION! Do NOT allow grease, dirt, or fingers to touch components inside Top Cover. Contaminants may cause heater failure. 1. If a NEW Ignitor is to be installed: a. Remove Top Cover (ref 5.1.1). b. Remove spare Ignitor mounted in the Top Housing. c. Remove the nut on the electrical post of the Ignitor, but DO NOT remove the spring washer. Discard Nut. d. Install Top Cover (ref. 5.1.1). 2. Apply Nickel anti-seize (Loctite 77164) to the threads of the Ignitor. ! CAUTION ! Be sure NOT to pinch or crush any wires when installing the Ignitor and/or Ignitor Holder. 3. Using a 3/4" socket deep socket, install Ignitor Holder threaded into the Burner Housing. 4. Using a 3/8" socket, install the Ignitor into the Ignitor Holder. DO NOT over tighten. 5. Check that the spring washer is installed on the Ignitor electrical post. 6. Place the electrical wire connector onto the Ignitor electrical post. 7. Install Ignitor Hatch by screwing the cap clockwise. DO NOT over tighten but ensure that the Hatch gasket is conforming properly to the shape of the Top Shell to seal the Hatch hole. Note: The Ignitor Hatch must be properly in place so that the Hatch gasket seals against the Top Shell to prevent air leakage during operation.