1.3 System pressure is not normal elimination method (see Table 2. Table 2 system pressure is not a normal phenomenon and the reasons for the elimination Fault elimination method inadequate pressure relief valve bypass valve repair or replacement of damaged valve setting is too low reset Integrated channel block design error redesigned valve repair or replacement of damaged pumps, motors or cylinder damage, overhaul or replace the pressure within the vent unstable oil mixed with air sealing, fuel, exhaust relief valve wear, spring rigidity Repair or replacement of oil pollution, clogged valve orifice cleaning, oil changes or accumulator charging valve fails to repair or replace the pump, motor or cylinder pressure is too worn to repair or replace the valve, relief valve setting or unloading value does not reset the variable mechanism does not work to repair or replace the valve, relief valve or unloading valve is clogged or damaged Clean or replace hydraulic repair address Baoji Baoji hydraulic repair prices, Baoji hydraulic repair, hydraulic repair Chengtong Xi'an Xi'an Cheng through hydraulic repair Limited. Xi'an Chengtong Hydraulic Maintenance Co. (www.huosu360.com) strong, credible, in Xi'an, industrial maintenance, installation and other industries has accumulated a large number of loyal customers. working attitude and corporate excellence continuous improvement of innovative ideas will lead Xi'an-hydraulic service and you work through into the brilliant, for a better future!