RUICHEN HYDRAULIC MACHINERY MANUFACTURING Co. LTD
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Défauts courants et entretien des pompes à engrenages

NOUVELLES 未分类 38110
  1. Excessive noise
    The cause of the fault:
    · The oil contains air
    · gear pump internal wear serious
    · The oil suction port is blocked
    Maintenance method:
    · Check tank level to ensure sufficient hydraulic oil and remove air.
    · Clean or replace the oil filter and check the suction line.
    · Check gear wear and replace gear if necessary.
  2. Lack of stress
    The cause of the fault:
    · gear pump internal leakage is serious, resulting in low pumping efficiency.
    · Control valve failure or damage, pressure regulation is unstable.
    · Suction pipe leakage, resulting in insufficient oil absorption.
    Maintenance method:
    · Check gear and bearings for wear and repair or replace seals.
    · Check the working condition of the control valve and repair or replace it if necessary.
    · Check the tightness of the suction line to ensure that no air enters.
  3. Traffic fluctuation
    The cause of the fault:
    · gear pump quantification is inaccurate, resulting in unstable flow.
    The pump body or bearing of the gear pump is severely worn, resulting in internal leakage.
    Maintenance method:
    ·Check the metering mechanism of the pump and adjust or replace it.
    ·Check pump body for wear and repair or replace related parts.
  4. The pump temperature is too high
    The cause of the fault:
    · The oil viscosity is too high or too low, resulting in increased friction resistance of the gear pump.
    · The oil circuit is blocked, and the oil cannot circulate smoothly, resulting in overheating of the pump body.
    · Heat dissipation device failure in the hydraulic system, can not effectively heat dissipation.
    Maintenance method:
    · Select the hydraulic oil suitable for the temperature environment to ensure that the oil viscosity is appropriate.
    · Check the oil circuit and clear the clogged part.
    · Check the working status of the heat dissipation system, and repair or replace the heat dissipation device if necessary.
  5. Internal leaks
    The cause of the fault:
    · Gear, bearings, seals and other wear, resulting in serious internal leakage.
    · gear pump assembly accuracy is not enough, the seal is not strict.
    Maintenance method:
    · Replace worn gears, bearings, seals and other parts.
    · Adjust the assembly accuracy to ensure that the clearance between the components meets the requirements.
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