Key Details

NC Servo Technology provides repair and reconditioning for the MOOG D635-662E. With in-house tooling and stocked parts, we keep turnaround times short.

Why Repair With NC Servo

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

Specializing in MOOG D635-662E servo valve technology for over five decades

Frequently Asked Questions

Yes, a one-year warranty is standard on all repairs. Details are provided with your service report.

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

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

Even if the tag is worn off, we can often match the unit based on shape, size, and internal configuration.

You can send it as-is. We handle all cleaning and preparation as part of our standard process.

Disassembly and Rebuild Procedure

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

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

Testing and Bench Verification

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 functional testing verifies proper functionality.

Where the MOOG D635-662E Is Used

Our professional repair services for the MOOG D635-662E are trusted across various sectors including Aerospace, Plastics & Injection Molding, and Defense. We understand the unique demands of valves in these environments.

Performance Data

Every MOOG D635-662E we service is tested under real-world conditions. Our diagnostics verify performance against published specifications. Performance data and Technical diagrams are available for purchase upon request.

Repair, Rebuild and Exchange Options

Beyond standard refurbishment, we offer specialized reconditioning for your MOOG D635-662E unit. Our teardown process includes spool evaluation and leak testing, using only new replacement components.

Lead Times and Support

As a focused repair facility for MOOG D635-662E services, NC Servo Technology targets quick resolution with typical lead times of 1 to 2 weeks. Benefit from our direct access to our technicians to keep your systems running smoothly.

Product Data Available

For documented insights into your MOOG D635-662E, we can provide access to reports and service logs. This transparency offers you compliance assurance and aids in long-term maintenance planning.

Maintenance Tips

  • Keep hydraulic fluid clean and at proper levels for consistent valve operation.
  • Document all maintenance activities to track performance trends over time.
  • Check system pressure regularly to verify it stays within the MOOG D635-662E rated operating range.

Schedule Your MOOG D635-662E Service Today

Request pricing, availability, and turnaround for your MOOG D635-662E. NC Servo Technology provides warrantied 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 MOOG or any original equipment manufacturer (OEM), nor do we claim to be a MOOG 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.