TM 9-2320-209-20-3-3 FRAME 3 Soldier A 1. Hold up discharge pipe (1). Soldier B 2. Using 3/4-inch open end wrench, unscrew and take off two nuts (2). 3. Take out U-bolt (3). 4. Do steps 2 and 3 again for other three U-bolts (3). Soldiers 5. Take out discharge pipe (1). A and B NOTE Discharge pipe (4) has two U-bolts (3). 6. Do steps 1 through 5 again for other discharge pipe (4). END OF TASK 18-83