Repair Procedure

We specialize in the overhaul of your REXROTH 4WEH22D74/6EW110N, including the replacement of all necessary gaskets and worn components.

Key Details

At NC Servo Technology, our shop is equipped to service the REXROTH 4WEH22D74/6EW110N. We use a consistent process to restore each unit to working condition.

Frequently Asked Questions

Yes. Our repairs include our standard 1-year parts and labor warranty covering parts and labor.

Yes. Every unit goes through diagnostic testing and we provide an assessment before moving forward.

Expedited options are available depending on current scheduling. Contact us to discuss your timeline.

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

We give you a straight assessment after inspection. If repair doesn’t make sense, we’ll let you know and discuss alternatives.

Independent Repair Facility

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

In-house parts inventory eliminates OEM lead time delays for REXROTH 4WEH22D74/6EW110N

Repair Process

Our team disassembles each valve to assess internal wear. After ultrasonic cleaning, we install replacements and reassemble and verify operation.

  • Complete Disassembly: The unit is disassembled and all parts are laid out for individual 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.
  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.

Diagnostic Testing

With our 13-stand test facility and a Hagenbush proportional valve system, we verify flow curves, hysteresis, frequency response, and more. Performance reports and graphs are available for purchase on request. Our performance testing verifies proper functionality.

Repair, Rebuild and Exchange Options

Beyond standard sales, we offer specialized overhauls for your REXROTH 4WEH22D74/6EW110N unit. Our teardown process includes reassembly to spec and disassembly, using only replacement replacement components.

Maintenance Tips

  • Replace inline filters according to maintenance schedules to maintain proper flow rates.
  • Perform fluid analysis to detect contamination early and prevent system damage.
  • Inspect REXROTH 4WEH22D74/6EW110N seals regularly to prevent leaks and maintain performance.

Get an Expert Repair for Your REXROTH 4WEH22D74/6EW110N

Request pricing, availability, and turnaround for your REXROTH 4WEH22D74/6EW110N. NC Servo Technology provides independent repair with a 1-year warranty. Contact us to set up your repair.

Request a Quote View All REXROTH Products Shop REXROTH Inventory

NC Servo Technology 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.