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 5-34 Electronic Programmed Controller & Vent Fan Driver Boards (Continued) Figure 5.6-18 Detail, Screw Locations 4. Remove the Printed Circuit Board Assembly. Using a #1 cross tip screwdriver remove two (2) screws that hold the Vent Fan Driver Electronic Board to the Electronic Programmed Controller Boards (ref. Figure 5.6-18 Detail, Screw Locations). 5.6.5.1.2 Installation 1. If Vent Fan Driver Board and Electronic Programmed Controller Board have been taken apart, apply Loctite 243 (blue) to the threads of the screws before using a #1 cross-tip screwdriver, and fastening the Electronic Vent Fan Driver Board to the Electronic Programmed Controller with two (2) screws. 2. Apply Dow Corning 340 Heat Sink Compound to each of the mounting bracket surfaces of the printed circuit board assembly.