TM 9-2320-209-20-3-4 c. Removal of Flexible Shaft Assembly. FRAME 1 1. Working under truck and using 1-inch wrench, unscrew coupling nut (1) from right angle adapter (2). Pull flexible shaft assembly (3) away from right angle adapter. 2. Take gasket (4) out of coupling nut (1). GO TO FRAME 2 22-18