TM 9-2320-209-20-3-4 c. Repair. Check that all parts are not clogged, cracked or broken. If parts are damaged, get new ones. d. Replacement. FRAME 1 Soldier A 1. Put jet washer (1) on cowl of truck as shown. Using 9/16-inch wrench, hold jet washer and face it as noted. Tell soldier B when ready. Soldier B 2. Put two rubber washers (2) and nut (3) on jet washer (1). Using 7/16-inch wrench, tighten nut (3). GO TO FRAME 2 21-11