TM  10-3930-638-24&P 2-48.    STEERING    SYSTEM    MAINTENANCE    (cont) b. Hose, Lines and Fittings (cont). (2)  Hydraulic  Pump  to  Steering  Gear  (cont). STEP LOCATION ITEM ACTION REMARKS ADJUSTMENT   (cont) 22 Operator’s compartment Control  valve a. Operate and Warms  hydraulic  oil hold lift control  lever towards  you until  tube assembly is warm  to touch b. Operate engine at full throttle, operate and hold lift control lever towards you and observe pressure gage reading. Gage shall indicate 2500-2550 PSI at 2200 ±50 RPM. If necessary, perform step 23 below to adjust relief valve 2-346  CHANGE  2