TM 9-2320-209-20-3-4 d. Removal of Right Angle Drive Adapter. FRAME 1 1. Using 1-inch wrench, unscrew right angle drive adapter (1) with sleeve and seal (2) from transfer case (3). 2. Take drive adapter (4) out of sleeve and seal (2). 3. Using 7/8-inch wrench, unscrew sleeve and seal (2) from right angle drive adapter (1). Take out sliding drive shaft (5). END OF TASK 22-21