TM 9-2320-209-10-1 d. Lowering the A-Frame and Preparing Truck for Travel after Rear Operation. TOOLS: Pliers FRAME 1 1. Lift U-bolt (1) and hook it to tailboard sheave bracket (2). 2. Put hook end (3) of winch cable onto left center lashing ring (4). GO TO FRAME 2 4-278