Teardown and Rebuild Steps

Each REXROTH 4WE6E52/AW120-60NDAV undergoes reconditioning — disassembly, parts replacement, reassembly, and bench testing before shipment.

Valve Overview

NC Servo Technology provides repair and reconditioning for the REXROTH 4WE6E52/AW120-60NDAV. With in-house tooling and stocked parts, we keep turnaround times short.

Frequently Asked Questions

Warranty coverage of a 12-month warranty on parts and labor is included with every repair we complete.

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

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

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

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

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.

Specializing in REXROTH 4WE6E52/AW120-60NDAV servo valve technology for over five decades

Rebuild Steps

Every REXROTH 4WE6E52/AW120-60NDAV gets a controlled teardown on our bench. We document condition, replace what’s needed, and reassemble to proper operating condition.

  • Teardown: Every valve is disassembled for internal inspection.
  • Leak and Pressure Testing: The reassembled unit is leak-tested and pressure-tested to verify it meets published specs.
  • Final Performance Verification: After reassembly, each valve undergoes bench-testing against published performance specs.
  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.

Diagnostic Testing

Each REXROTH 4WE6E52/AW120-60NDAV 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.

Common Applications

Our expert repair services for the REXROTH 4WE6E52/AW120-60NDAV are trusted across various sectors including Automotive, Aerospace, and Manufacturing. We understand the unique demands of valves in these environments.

Additional REXROTH 4WE6E52/AW120-60NDAV Services

Beyond standard maintenance, we offer specialized reconditioning for your REXROTH 4WE6E52/AW120-60NDAV unit. Our disassembly process includes disassembly and spool evaluation, using only new replacement components.

Lead Times and Support

As a dedicated source for REXROTH 4WE6E52/AW120-60NDAV services, NC Servo Technology targets quick resolution with typical lead times of 2 to 3 weeks. Benefit from our direct access to our technicians to keep your systems running smoothly.

Stock Availability

With over 17,000 valves in stock, we can often provide faster turnaround by sourcing parts in-house rather than waiting on OEM lead times.

Maintenance Tips

  • Check valve alignment carefully to prevent undue stress on internal components.
  • Monitor operating temperatures to identify potential issues before failure occurs.
  • Schedule preventive maintenance intervals based on duty cycle, not just calendar time.

Start Your REXROTH 4WE6E52/AW120-60NDAV Reconditioning Process

Request pricing, availability, and turnaround for your REXROTH 4WE6E52/AW120-60NDAV. NC Servo Technology provides experienced 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.