TM-9-2540-207-14&P Sustainment Manual for A20 Heater for M113 2540-01-396-2826 Download
Page 88 of 288
TM 9-2540-207-14&P 5-44 5.7.1 Burner Assembly (Applies to all Design Iterations) Figure 5.7-2 Combustor Assembly 5.7.1.1 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. Disconnect the Fuel Line connected to the Burner Housing by releasing the hose clamp and pulling the Fuel Line straight off the fitting on the Burner. DO NOT REMOVE FUEL LINE FROM THE TOP HOUSING. 5. Remove Ignitor Wire from Ignitor Post. 6. Using a 7/16" open ended wrench, disconnect the Burner Sensor from the Burner Housing by undoing the nut from the fitting. Note: The brass Burner Sensor and Fuel fittings are installed into the Burner Housing with Loctite 620 and should NOT be removed. Note: If the metal primary air duct is being used, no clamps will be present. 7. Remove the nylon clamp holding the Primary Air Duct to the Top Housing by disengaging the locking jaws. 8. Ensure that the Primary Air Duct is not kinked. Align as necessary.