Troubleshooting causes of exclusion
1, the motor can not start the power outage or line fault Check the power supply conditions and lines
2, lack of flow and pressure fluctuations too large 1, excessive inhalation 2, the filter blocked
3, into the water inlet pipe joints or bad seal
4, a cylinder or two cylinder inlet and outlet valve stuck or failure 1, increase the height of the inlet 2, clear the filter plug
3, replace the water fastening joints
4, repair grinding or replacement valve group
3, the system does not go up the pressure 1, the plunger seal leakage is too large
2, safety valve leakage
3, pressure relief valve failure, lax closure
4, pressure gauge damage 1, adjust the compression nut, after adjusting several times without adjusting the margin, should replace the new seal packing 2, re-adjust or replace the safety valve spool, valve seat
3, replace the relief valve spool, valve seat
4, replace the pressure gauge
4, the pressure relief valve can not step up, at the same time its overflow can not be closed 1, the spring failure 2, overflow valve failure 1, replace the spring 2, replace the relief valve spool, valve seat
5, after the shutdown can not keep pressure (excluding the reasons for the test pieces) 1, check valve group failure
2, relief valve group failure
3, check the pressure relief valve O-ring damage 1, grinding repair check spool, valve seat or replacement 2, grinding repair pressure relief valve core, valve seat or replacement
3, replace the corresponding O-ring
6, the pressure does not go to cleaning 1, the plunger seal leakage is too large
2, safety valve leakage
3, pressure regulator failure, lax closure
4, the pressure regulator take-off pressure is too low, there is overflow
5, nozzle wear
6, pressure gauge damage 1, adjust the compression nut, after adjusting several times without adjusting the margin, should replace the new seal packing 2, readjust or replace the safety valve spool, valve seat
3, replace the regulator stem, seat
4, readjustment
5, replace the nozzle
6, replace the pressure gauge
7, the gun is open, no jet or jet is very small nozzle clogged with a thin wire stabbed plug or replace the nozzle
8, the metal hammer during operation 1, connecting rod, crosshead and other transmission parts wear gap is too large 2, the adjustment of the bearing gland gap is not appropriate
3, bearing failure
4, oil seal loose 1, overhaul or replacement
2, adjust the bearing gland clearance
3, replace the bearing
4, tighten the set screw
9, the gearbox temperature rise is too high 1, excessive or insufficient oil
2, the oil is polluted or deteriorated
3, the oil does not meet the requirements 1, release excess lubricant or add enough oil, so that the oil level to maintain the middle position of the oil 2, replace the oil
3, the use of a reasonable lubricant
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