Overview

We’ve serviced hundreds of MOOG 73-103SD units over the years. Each one goes through the same controlled teardown, parts replacement, and testing process.

Independent Repair Facility

As a specialized repair facility, we have dedicated test equipment that general-purpose shops don’t. That means your MOOG 73-103SD gets serviced by people who work on these units regularly.

One-year warranty on all MOOG 73-103SD valve repairs

Frequently Asked Questions

Most repairs are completed within 1 to 3 weeks, depending on workload and parts availability.

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

Yes. We diagnose first, then provide a repair recommendation with our findings. No work begins without your approval.

All repairs come with a one-year warranty. Contact us for specifics on your unit.

Yes. Send us photos of the unit from multiple angles. Our team has serviced thousands of models and can often ID them visually.

Disassembly and Rebuild Procedure

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

  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.
  • Leak and Pressure Testing: The reassembled unit is leak-tested and pressure-tested to verify it meets published specs.
  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.

Testing and Bench Verification

With thirteen in-house test stands 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 consistent performance.

Performance Data

Every MOOG 73-103SD we service is tested under typical applications. Our diagnostics verify performance against published specifications. Cycle life data and Performance data are available for purchase upon request.

Additional MOOG 73-103SD Services

Beyond standard refurbishment, we offer specialized repairs for your MOOG 73-103SD unit. Our disassembly process includes spool evaluation and seal replacement, using only replacement replacement components.

Lead Times and Support

As a specialist for MOOG 73-103SD services, NC Servo Tech targets quick resolution with typical lead times of 1 to 2 weeks. Benefit from our dedicated support team to keep your systems running smoothly.

Maintenance Tips

  • Check valve alignment carefully to prevent undue stress on internal components.
  • Check system pressure regularly to verify it stays within the MOOG 73-103SD rated operating range.
  • Monitor operating temperatures to identify potential issues before failure occurs.

Schedule Your MOOG 73-103SD Service Today

Request pricing, availability, and turnaround for your MOOG 73-103SD. 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.