Inspection and Repair Process

Our repair process for the MOOG 775-117 begins with teardown and ultrasonic cleaning to assess all components.

Valve Overview

The MOOG 775-117 is one of many models we routinely service. Our process includes disassembly, cleaning, and reassembly using reliable components.

Frequently Asked Questions

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

Yes. Our technicians can often identify units based on photos, dimensions, or manufacturer markings. Send a photo before shipping to speed up intake.

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

Part of our intake includes troubleshooting to determine the failure point. We report findings before proceeding.

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

About Our Shop

NC Servo Tech specializes in both valves and electronic controls, which lets us operate without the delays of OEM service centers.

50+ years of expertise in MOOG 775-117 Valve Repair

Rebuild Steps

Every MOOG 775-117 gets a controlled teardown on our bench. We document condition, replace what’s needed, and reassemble to proper operating condition.

  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.
  • Final Performance Verification: After reassembly, each valve is bench-tested against published performance specifications.
  • Leak and Pressure Testing: The reassembled unit is leak-tested and pressure-tested to verify it meets published specs.
  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.

Diagnostic Testing

With our 13-stand test facility and a Hagenbush proportional valve system, we verify flow curves, hysteresis, frequency response, and more. Performance reports and graphs are available for purchase on request. Our operational testing verifies spec-level operation.

Repair, Rebuild and Exchange Options

Beyond standard maintenance, we offer specialized repairs for your MOOG 775-117 unit. Our teardown process includes seal replacement and leak testing, using only replacement replacement components.

Maintenance Tips

  • Perform fluid analysis to detect contamination early and prevent system damage.
  • Flush the hydraulic system after any major repair to remove debris before reinstalling the MOOG 775-117.
  • Conduct thorough visual inspections for wear or leaks during routine maintenance.

Let Us Repair Your MOOG 775-117

Request pricing, availability, and turnaround for your MOOG 775-117. NC Servo Tech provides warrantied 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 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.