TM  10-3930-638-24&P 2-48.   STEERING   SYSTEM   MAINTENANCE   (cont) b. Hoses, Lines and Fittings (cont). (2)  Hydraulic  Pump  to  Steering  Gear  (cont). STEP LOCATION ITEM ACTION REMARKS ADJUSTMENT   (cont) 23 24 Front chassis, Relief valve a. Remove nut bottom  right  side and  seal washer b. Loosen jam nut c. Perform step 22  above d.  Operate  engine at  full  throttle, observe  pres- sure gage, and adjust relief valve  adjust- ing screw un- til  2500-2550 PSI indica- tion is obtained e. Tighten jam nut f. Reinstall seal washer  and nut on relief valve g. Turn engine off and per- form step 20 above Engine Hydraulic  pump a.  Remove compartment pressure gage b. Install plug or cap c. Perform step 19 above Change  2  2-347