TM 9-2320-209-20-3-1 FRAME 2 CAUTION Engine manifold flame heater fuel pump is negative grounded. “A” pin is positive and “B” pin is negative. Do not switch positions of pins or there could be per- manent damage to pump. 1. Place fuel pump (1) on support bracket assembly (2). Hook fuel pump clamp assembly (3) to support bracket assembly (2) . 2. Screw wiring harness connector (4) on fuel pump terminal (5) . 3. Using 3/8-inch wrench, screw in and tighten inverted nut and tube (6). 4. Using 7/16-inch wrench, screw in and tighten inverted nut and tube (7). GO TO FRAME 3 4-148