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 5-118 Burner Fan Impeller (continued) Figure 5.10-6. Burner Fan Impeller. 5.10.4.1 Removal 1. Remove the burner fan plate assembly from the top housing (ref 5.10.1). 2. Turn the plate upside over. 3. Using a 7/16” open wrench and a Philips #2 screwdriver, remove the nut. Place the wrench over the nut and use the screw drive to hold the bolt in place while turning the nut. 4. Remove the nut and the washer and the impeller can now be removed. 5.10.4.2 Installation 1. With the burner fan shaft pointing up, place the spacer over the burner fan motor shaft. 2. Place the impeller over the spacer, followed by the washer.