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 5-42 4. Install Electronic Programmed Controller & Vent Fan Driver Boards (Design Iteration 1 & 2, ref. 5.6.5.1) or single Vent Fan Driver board (Design Iteration 3, ref 5.6.5.2). 5. Connect the Motor Harness (Connector J6) to the Vent Fan Driver Board ensuring the connector locking tabs are properly engaged. 6. Install Vent Fan Assembly to heater (ref. 5.6.1).