TM 9-2320-209-20-3-3 , FRAME 4 1. Put gasket (1) and manhole cover (2) in place. 2. Put clamp ring (3) on so it holds manhole cover (2). Put bolt (4) in place in manhole cover. Using 9/16-inch wrenches, screw on and tighten bolt (4) and nut (5). END OF TASK 18-222