Repair Procedure

Each MOOG 73-101 undergoes reconditioning — disassembly, parts replacement, reassembly, and bench testing before shipment.

About Our Shop

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

50+ years of expertise in MOOG 73-101 Valve Repair

Frequently Asked Questions

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

You’ll hear from us either way. If it’s not repairable, we’ll return the unit and provide our findings.

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.

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

Rebuild Steps

The repair process for the MOOG 73-101 includes disassembly, diagnostic review, and replacement of failed seals, spools, or other elements. Final assembly includes leak and function testing.

  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.
  • Complete Disassembly: The unit is disassembled and all parts are laid out for individual inspection.
  • 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.

Testing and Bench Verification

NC Servo operates over a dozen dedicated flow test stands, including setups for proportional and servo valves. Every valve goes through performance and leak testing using standard test fluids to match your operational needs. Our functional testing verifies consistent performance.

Where the MOOG 73-101 Is Used

Our professional repair services for the MOOG 73-101 are trusted across various sectors including Defense, Automotive, and Manufacturing. We understand the unique demands of valves in these environments.

Performance Data

Every MOOG 73-101 we service is tested under typical applications. Our diagnostics verify performance against published specifications. Performance data and Technical diagrams are available for purchase upon request.

Additional MOOG 73-101 Services

Beyond standard sales, we offer specialized overhauls for your MOOG 73-101 unit. Our overhaul process includes disassembly and leak testing, using only new replacement components.

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

  • Keep hydraulic fluid clean and at proper levels for consistent valve operation.
  • Keep a spare MOOG 73-101 on hand to minimize downtime during unplanned failures.
  • Schedule preventive maintenance intervals based on duty cycle, not just calendar time.

Need Your MOOG 73-101 Back Online?

Request pricing, availability, and turnaround for your MOOG 73-101. NC Servo provides hands-on repair with a 1-year warranty. Contact us to request your repair.

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NC Servo 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.