Teardown and Rebuild Steps

Each REXROTH 4WE6J53/AW120-60NZ45/V undergoes reconditioning — disassembly, parts replacement, reassembly, and bench testing before shipment.

Independent Repair Facility

As a specialized repair facility, we have dedicated test equipment that general-purpose shops don’t. That means your REXROTH 4WE6J53/AW120-60NZ45/V gets serviced by people who work on these units regularly.

Frequently Asked Questions

Turnaround time varies by model and condition. Contact us for a timeline specific to your unit.

No cleaning required. Our repair process includes disassembly and cleaning of all components.

Even if the tag is worn off, we can often match the unit based on shape, size, and internal configuration.

Warranty coverage of a one-year warranty is included with every repair we complete.

Part of our intake includes troubleshooting to determine the failure point. We report findings before proceeding.

Disassembly and Rebuild Procedure

Once a valve arrives, we tear it down fully, examine key surfaces, and replace worn or damaged parts using components we stock in-house, cutting out OEM lead times.

  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.
  • Teardown: Every valve is disassembled for internal inspection.
  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.

Diagnostic Testing

We carry out full diagnostics on every valve, including flow gain, leakage, pressure shift, and frequency testing. Our test facility supports performance logging and report generation. Our functional testing verifies consistent performance.

Turnaround and Shipping

As a specialist for REXROTH 4WE6J53/AW120-60NZ45/V services, NC Servo targets quick resolution with typical lead times of 2 to 3 weeks. Benefit from our responsive technical support to keep your systems running smoothly.

Maintenance Tips

  • Replace inline filters according to maintenance schedules to maintain proper flow rates.
  • Monitor operating temperatures to identify potential issues before failure occurs.
  • Inspect REXROTH 4WE6J53/AW120-60NZ45/V seals regularly to prevent leaks and maintain performance.

Get an Expert Repair for Your REXROTH 4WE6J53/AW120-60NZ45/V

Request pricing, availability, and turnaround for your REXROTH 4WE6J53/AW120-60NZ45/V. NC Servo provides experienced repair with a 1-year warranty. Contact us to start your repair.

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NC Servo is an independent third-party repair facility. We are not affiliated with, endorsed by, sponsored by, or authorized by REXROTH or any original equipment manufacturer (OEM), nor do we claim to be a REXROTH service center. All brand names, trademarks, model numbers, and part numbers referenced on this page are the property of their respective owners and are used solely for identification and compatibility purposes.