Teardown and Rebuild Steps

Our repair process for the REXROTH 4WRTE42-V begins with teardown and mineral bath and ultrasonic cleaning to assess all components.

Why Repair With NC Servo

We’ve built our shop around one thing: industrial repair. With decades of hands-on experience and deep product knowledge, we deliver consistent results.

50+ years of expertise in REXROTH 4WRTE42-V Valve Repair

Frequently Asked Questions

If the main housing or board is intact, repair is usually the better option. We can restore most units to working condition with tested parts.

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

We confirm next steps with you if a unit can’t be rebuilt. No work proceeds without your approval.

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

Yes, a 12-month warranty on parts and labor is standard on all repairs. Details are provided with your service report.

Repair Process

Each valve goes through teardown to expose wear and buildup. After mineral bath cleaning, we replace damaged parts and reassemble the unit to spec.

  • Teardown: Every valve is disassembled for internal inspection.
  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • Leak and Pressure Testing: The reassembled unit is leak-tested and pressure-tested to verify it meets published specs.
  • 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 performance testing verifies consistent performance.

Performance Data

Every REXROTH 4WRTE42-V we service is tested under operating environments. Our diagnostics verify performance against published specifications. Specification sheets and Technical diagrams are available for purchase upon request.

Lead Times and Support

As a dedicated source for REXROTH 4WRTE42-V services, NC Servo targets quick resolution with typical lead times of 1 to 2 weeks. Benefit from our dedicated support team to keep your systems running smoothly.

Maintenance Tips

  • Inspect REXROTH 4WRTE42-V seals regularly to prevent leaks and maintain performance.
  • Keep a spare REXROTH 4WRTE42-V on hand to minimize downtime during unplanned failures.
  • Monitor operating temperatures to identify potential issues before failure occurs.

Get an Expert Repair for Your REXROTH 4WRTE42-V

Request pricing, availability, and turnaround for your REXROTH 4WRTE42-V. NC Servo provides warrantied repair with a 1-year warranty. Contact us to start your repair.

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.