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 5-58 Burner Housing (Applies to all Design Iterations) (Continued) 5.7.7.2 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. !CAUTION! Do NOT use any metallic objects to clean the Push Nut. Compressed air jets and/or cleaning spray (carburetor cleaner) is permitted. The use of a rifle bore cleaning brush is also permitted. Figure 5.7-13 Detail, Fuel Shaft NOTE: REPLACE the Burner Housing if any of the following conditions are noticed: - The Push Nut rotates freely on the fuel shaft - The Fuel Shaft does NOT rotate freely - The Fuel Shaft wobbles as it rotates - The Magnet Cup leaks, or is badly scored NOTE: IF the Magnet Cup leaks or is badly scored, check the Motor Magnet for scoring and replace if necessary (ref. 5.6.2).