Fault phenomenon causes to exclude 1, the motor can not start the power supply or line failure Check the power supply conditions and lines 2, insufficient flow and pressure fluctuations too large 1, excessive suction height 2, filter plugging 3, Water pipe joints at the poor seal 4, a cylinder or two cylinder inlet and outlet valve stuck or failure 1, to improve the level of the inlet 2, clear the filter plug 3, replace the water fastening joints 4, maintenance grinding or replacement Valve group 3, the system pressure does not go 1, the plunger seal leakage is too large 2, the safety valve leak 3, the pressure relief valve failure, closed lax 4, gauge damage 1, adjust the compression nut, after many times Adjust the non-adjusted margin should be replaced with a new seal packing 2, re-adjust or replace the safety valve spool, valve seat 3, replace the relief valve spool, seat 4, replace the pressure gauge 4, the pressure relief valve can not, At the same time the overflow can not be closed 1, the spring failure 2, overflow spool failure 1, replace the spring 2, replace the relief valve spool, valve seat 5, can not keep pressure after shutdown (excluding the reasons for the test pressure) Check valve group failure 2, relief valve group failure 3, check pressure relief Internal O-ring damage 1, grinding repair check spool, valve seat or replacement 2, grinding repair pressure relief valve spool, valve seat or replacement 3, replace the corresponding O-ring 6, the pressure does not go to cleaning 1, Leakage of plunger seal is too large 2, Leakage of safety valve 3, Failure of pressure regulating valve, Failure to close tightly 4, Regulator take-off pressure is too low, There is overflow 5, Nozzle wear 6, Gauge damage 1, After several adjustments without adjustment margin, should be replaced by a new seal packing 2, readjustment or replacement of safety valve spool, valve seat 3, replace the regulator stem, valve seat 4, readjust 5, replace the nozzle 6, replace the pressure gauge 7, the gun is turned on when there is no jet or jet is small nozzle clogged with a thin wire poke out the plug or replace the nozzle 8, the metal hammering sound during operation 1, connecting rod, crosshead and Other transmission wear gap Large 2, bearing gland gap adjustment is not appropriate 3, the bearing failure 4, oil seal loose 1, repair or replacement 2, adjust the bearing gland clearance 3, replace the bearing 4, tighten the set screw 9, the transmission temperature is too high 1, excessive or insufficient oil 2, oil pollution or deterioration 3, Run 1 does not meet the requirements of the oil, lubricant or release plus enough excess lubricating oil level to maintain oil standard intermediate position 2, replacement of the lubricating oil 3, using reasonable lubricants
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