Vane pump common troubleshooting - pump noise is too large
1. Suction port or filter part of the blockage 2. Suction port connection is not tight, there is air into the 3. Suction port height is too high, the fuel tank level is low 4. Pump and coupling not coaxial or loose 5. Connecting screws Loose 6. Hydraulic oil viscosity is too large, suction port through the flow of small filter capacity 7. Stator inner surface of the hair 8. Stator suction surface of the inner surface of the wear 9. Individual leaf movements are not flexible or anti-1. Remove dirt, so that oil Pipeline smooth 2. To strengthen the seal, tighten the connector 3. Lower the height of the suction port, to the tank refueling 4. Re-install to its coaxial, tighten the connector 5. Appropriate tighten 6. Change the viscosity of the appropriate hydraulic oil, Replace the filter with larger flow capacity 7. Polishing the inner surface of the stator 8. Turn the stator upside down 9. Check and reassemble the stator one by one, reassemble the inflexible blades
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90W-9T High-matching Wheel Excavator
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