TM 9-2320-209-10-1 FRAME 10 1. Take up slack in winch cable, and raise A-frame (1) to position shown. (Refer to para 4-14 b.) 2. Adjust boom chains (2) to hold A-frame (1) in position shown. NOTE Height of the A-frame (1) can be changed by making boom chains (2) longer or shorter. Place A-frame at a high angle for heavy loads. GO TO FRAME 11 4-300