TM 9-2320-209-20-3-3 FRAME 2 1. Using 3/4-inch wrench, unscrew four coupling nuts (1). Slide coupling nuts back onto tubes (2). 2. Using 7/16-inch wrenches, unscrew and take out eight nuts (3) and eight bolts (4). 3. Take out discharge valve operating lever (5). END OF TASK 18-135