Teardown and Rebuild Steps

Our repair process for the MOOG D662-338C begins with teardown and ultrasonic cleaning to assess all components.

About Our Shop

NC Servo Technology operates independently, so we’re not tied to manufacturer delays or restrictions. That means more flexibility when your system is down.

Specializing in MOOG D662-338C servo valve technology for over five decades

Frequently Asked Questions

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

Yes. Photos of the nameplate and overall unit let us begin identification before it arrives, which speeds up the process.

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

Inspection and root-cause analysis are part of our standard process. We identify the issue before starting any repair work.

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

Disassembly and Rebuild Procedure

Every MOOG D662-338C gets a controlled teardown on our bench. We document condition, replace what’s needed, and reassemble to proper operating condition.

  • 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 is bench-tested against published performance specifications.
  • Teardown: Every valve is disassembled for internal inspection.
  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.

Testing and Bench Verification

Each MOOG D662-338C is tested on a dedicated flow bench before it ships. We check pressure, flow, leakage, and response characteristics against published specifications. Our functional testing verifies consistent performance.

Additional MOOG D662-338C Services

Beyond standard sales, we offer specialized repairs for your MOOG D662-338C unit. Our overhaul process includes bench testing and seal replacement, using only replacement replacement components.

Maintenance Tips

  • Perform fluid analysis to detect contamination early and prevent system damage.
  • Monitor operating temperatures to identify potential issues before failure occurs.
  • Schedule preventive maintenance intervals based on duty cycle, not just calendar time.

Let Us Repair Your MOOG D662-338C

Request pricing, availability, and turnaround for your MOOG D662-338C. NC Servo Technology provides experienced 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.