About This Unit

Whether the issue is age, wear, or contamination, the REXROTH Z4WE6E6820/AG24N9K4MR can often be restored. NC Servo Tech applies the same structured approach to every rebuild.

Teardown and Rebuild Steps

Each REXROTH Z4WE6E6820/AG24N9K4MR undergoes reconditioning — disassembly, parts replacement, reassembly, and bench testing before shipment.

Frequently Asked Questions

It depends on the unit and scope of work. We provide an estimated timeline after initial evaluation.

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

Photos help us confirm the unit type and speed up intake. You can upload them through our quote request form.

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

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

About Our Shop

Unlike OEM shops, we use our own inventory to handle most rebuilds. That cuts down on lead time and gets your unit back faster.

Rebuild Steps

We rebuild every valve from the inside out: cleaning, inspection, parts replacement, reassembly, and bench testing.

  • Final Performance Verification: After reassembly, each valve is bench-tested against published performance specifications.
  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.
  • Teardown: Every valve is disassembled for internal inspection.

Diagnostic Testing

Each REXROTH Z4WE6E6820/AG24N9K4MR is tested on a dedicated flow bench before it ships. We check pressure, flow, leakage, and response characteristics against published specifications. Our operational testing verifies consistent performance.

REXROTH Z4WE6E6820/AG24N9K4MR Specifications

Every REXROTH Z4WE6E6820/AG24N9K4MR we service is tested under typical applications. Our diagnostics verify performance against published specifications. Cycle life data and Technical diagrams are available for purchase upon request.

Maintenance Tips

  • Perform fluid analysis to detect contamination early and prevent system damage.
  • Store spare REXROTH Z4WE6E6820/AG24N9K4MR valves in a clean, dry environment to prevent corrosion and contamination.
  • Flush the hydraulic system after any major repair to remove debris before reinstalling the REXROTH Z4WE6E6820/AG24N9K4MR.

Start Your REXROTH Z4WE6E6820/AG24N9K4MR Reconditioning Process

Request pricing, availability, and turnaround for your REXROTH Z4WE6E6820/AG24N9K4MR. NC Servo Tech provides independent repair with a 1-year warranty. Contact us to set up your repair.

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NC Servo Tech 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.