TM 9-2320-209-20-3-2 (2) Hydraulic hose. CAUTION Fittings are made of soft brass. They can be stripped very easily if tightened too much. Tighten fittings just enough to stop fluid from leaking. NOTE Hydraulic hose on left front this typical procedure. axle is used for FRAME 1 1. 2. GO Using 5/8-inch combination box and open end box wrench, put in and hold tube nut (1). Using 15/16-inch open end wrench, screw on and tighten washer (2) and nut (3). Using 15/16-inch combination box and nut (3). Using 7/16-inch combination on and tighten tube nut (4). TO FRAME 2 open end box box and open wrench, end box hold tube wrench, screw 13-100