TM 9-2320-209-20-3-4 FRAME 3 NOTE On some trucks there may be bushings instead of coupling nuts (1). 1. Working under truck and using 1 3/8-inch wrench, hold four hose nuts (2). Using 1 1/2-inch wrench, unscrew four coupling nuts (1). If truck has bushings, using 1 3/8-inch wrenches, hold bushings and unscrew four hose nuts. 2. Take off four hydraulic lines (3). END OF TASK 19-116