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 5-38 Vent Fan Driver Boards (Continued) Note: The surfaces to be coated are metal bracket surfaces that will be in direct contact with the Vent Fan Housing when the printed circuit assembly is installed. Figure 5.6-23 Detail, Circuit Board Brackets Requiring Heat-Sink Compound 2. Install the Vent Fan Driver Board into the Vent Fan Assembly, aligning the holes in the bracket with the holes in the Motor Housing. Apply Loctite 243 (blue) to the screws and using a #1 cross-tip screwdriver secure using the two (2) flathead screws. Tip: Place the two (2) flat-head screws in the printed circuit board mounting holes first, then align and lower the assembly into place. Start EACH screw before securing any of them. 3. Connect the Vent Fan Motor Connector to the Vent Fan Driver Board, ensuring the connector locking tabs are properly engaged. 4. Install Vent Fan Assembly to heater (ref. 5.6.1).