A10VSO28DR/31R-PPA12K01 A10VSO28DFR1/31R-PPA12K01 German Rexroth Plunger Pump Hydraulic Oil Pump

A10VSO28DR/31R-PPA12K01 A10VSO28DFR1/31R-PPA12K01 German Rexroth plunger pump hydraulic oil pump

FAQ:

4. How does the A10VSO140 differ from the A10VSO100?

Feature A10VSO100 A10VSO140
Displacement 100 cm³/rev 140 cm³/rev
Flow capacity Lower Higher
Power handling Medium systems High-power systems
Applications Light/medium loads Heavy machinery

5. What are common A10VSO140 failures and solutions?

• Low/no flow: Check for clogged filters, low oil levels, or air ingress in suction lines.

• Overheating: Caused by excessive load, poor cooling, or contaminated oil. Ensure proper oil viscosity and clean heat exchangers.

• Leakage: Inspect shaft seals, valve plates, or worn piston assemblies.

• Abnormal noise: May indicate bearing failure, misalignment, or cavitation.

6. How to maintain the A10VSO140?

• Use ISO VG 46 or equivalent hydraulic oil.

• Replace filters and monitor oil cleanliness regularly.

• Ensure external drain pressure does not exceed 1 bar to avoid seal damage.

• For repairs, use OEM or certified replacement kits (e.g., cylinder blocks, pistons, valve plates).

7. Where to buy parts or repair services?

• OEM parts: Rexroth distributors (e.g., part number R902426896).

• Third-party providers: Companies like Smile Hydraulics (repair kits) or Xinliyang Hydraulics (1-year warranty on repairs).

8. What are the model naming conventions?

Example: A10VSO140DFR1/31R-PPB12N00

• A10VSO140: Series and displacement.

• DFR1: Control type (pressure/flow regulation).

• 31R: Rotation direction (R = clockwise).

• PPB12N00: Port and seal configuration.

For technical documents or troubleshooting, consult Rexroth manuals or authorized service centers.

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