TM 9-2320-209-20-3-3 FRAME 3 1. Put legs (1) onto five channels (2) lining up screw holes for machine screw (3). Put machine screw through holes in channels and legs and hold with 9/16-inch wrench. 2. Using 9/16-inch socket wrench, screw on self locking nuts (4) in five places. Screw them on until they are just snug and do not keep legs (1) from moving easily. END OF TASK 18-63