TM-9-2540-207-14&P Sustainment Manual for A20 Heater for M113 2540-01-396-2826 Download

Page 95 of 288

TM 9-2540-207-14&P 5-51 Burner Chamber (Continued) 5.7.5.1 Removal 1. Remove Top Shell (ref. 5.4.2). 2. Remove Bottom Shell (ref. 5.4.3). 3. Remove Vent Fan Assembly (ref. 5.6.1). 4. Remove Combustor Assembly (ref. 5.7.1). 5. Using a 3/4" deep socket or 3/4" wrench, remove Ignitor Holder from the Burner Housing. 6. Using a #2 cross-tip screwdriver, remove three (3) screws holding the Burner Chamber to the Burner Housing. 7. Remove the burner Cartridge from inside the Burner Chamber. !CAUTION! Do NOT use any metallic objects to clean the Push Nut or the Fuel Shaft. Compressed air jets and/or cleaning spray (carburetor cleaner) is permitted. The use of a rifle bore cleaning brush is permitted. Gently wiping with a soft cloth is permitted. See Figure 5.7-7 Burner Housing, Detail !CAUTION! Do NOT allow Burner Wick to fall from Burner Cartridge. 5.7.5.2 Cleaning 1. Carefully remove any carbon deposits from the Burner components by gently scraping away the deposits taking care not to damage the Fuel shaft and the Push Nut on the Fuel Shaft. Gently wiping carbon deposits from the fuel shaft and the Push Nut is usually sufficient.