TM 5-3805-262-203-21. STEERING SYSTEM TROUBLESHOOTING (CONT)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION2. SLOW OR HARDStep 7.Step 8.STEERING (Cont).Remove pressure reducing valve (page 7-74).I n s t a l l p r e s s u r e r e l i e f v a l v e i n p r e s s u r e r e d u c i n g v a l v e p o r t .Connect an air pressure regulator to shop compressed air system.Connect an air hose between pressure regulator and pressure reducingvalve port (port is 1/4 NPT).Connect a zero to 50 psi air gage to pressure reducing valve port(port is 1/4 NPT) located opposite side of valve .Slowly adjust pressure regulator from zero to 50 psi while watchingpressure gage connected to pressure reducing valve.Pressure gage should increase and remain steady at 7 to 12 psi andpressure relief valve should vent air at 20 to 30 psi.a. If pressure gage does not remain steady at 7 to 12 psi, replacepressure reducing valve (page 7-74) .b. If pressure relief valve does not vent air at 20 to 30 psi, re-place pressure reducing valve (page 7-74).c. If pressure relief valve and pressure reducing valve operateokay, check hose connected to hydraulic reservoir for air leak-age. Replace as necessary (page 7-74) and reinstall pressurerelief valve and pressure reducing valve (page 7-86).Inspect chassis spindles for loose mounting hardware, cracks, orother apparent damage.3-145
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