Teardown and Rebuild Steps

We specialize in the overhaul of your REXROTH 4WEH16J30/6AW120-60NETZ4/5, including the replacement of all necessary seals and worn components.

Experience and Warranty

We stock common wear parts in-house, so most rebuilds don’t require outside sourcing. Less waiting, faster turnaround.

Frequently Asked Questions

We recommend sending pictures, especially if the model number is unclear or there is visible damage.

Yes. We diagnose first, then provide a repair recommendation with our findings. No work begins without your approval.

We regularly work on units with missing labels. Send us a few images and any visible part numbers, and we can usually match it.

Send the unit in whatever condition it’s in. We clean everything during teardown before inspection begins.

Standard turnaround is 1-3 weeks. Rush options are available for time-sensitive situations.

How We Rebuild This Valve

We disassemble every valve, inspect it inside and out, and clean all moving parts. Components that fail inspection are swapped out before the valve is rebuilt and tested.

  • Complete Disassembly: The unit is disassembled and all parts are laid out for individual inspection.
  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.
  • Final Performance Verification: After reassembly, each valve is bench-tested against published performance specifications.
  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.

Diagnostic Testing

NC Servo Technology operates our 13-stand test facility, including setups for proportional and servo valves. Every valve goes through performance and leak testing using industry-standard fluids including MIL-5606 and Skydrol. Our operational testing verifies proper functionality.

Repair, Rebuild and Exchange Options

Beyond standard refurbishment, we offer specialized overhauls for your REXROTH 4WEH16J30/6AW120-60NETZ4/5 unit. Our teardown process includes seal replacement and reassembly to spec, using only new replacement components.

Turnaround and Shipping

As a focused repair facility for REXROTH 4WEH16J30/6AW120-60NETZ4/5 services, NC Servo Technology targets quick resolution with typical lead times of 1 to 3 weeks. Benefit from our responsive technical support to keep your systems running smoothly.

Technical Information

For transparent insights into your REXROTH 4WEH16J30/6AW120-60NETZ4/5, we can provide access to repair records and reports. This transparency offers you peace of mind and aids in long-term maintenance planning.

Maintenance Tips

  • Keep hydraulic fluid clean and at proper levels for consistent valve operation.
  • Perform fluid analysis to detect contamination early and prevent system damage.
  • Use only manufacturer-recommended hydraulic fluids to protect internal valve surfaces.

Start Your REXROTH 4WEH16J30/6AW120-60NETZ4/5 Reconditioning Process

Request pricing, availability, and turnaround for your REXROTH 4WEH16J30/6AW120-60NETZ4/5. NC Servo Technology provides hands-on repair with a 1-year warranty. Contact us to set up your repair.

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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.