TM 9-2320-209-20-3-1 b. Replacement. FRAME 1 1. Put lamp base (1) on bracket (2) from front with electrical connector (3) through center hole. Put four screws (4) through lamp base and bracket from front. Put on four lockwashers (5) and four nuts (6). 2. Using 3/8-inch wrench and flat-tip screwdriver, tighten four nuts (6). 3. Plug electrical lead (7) into connector (3). GO TO FRAME 2 7-177