Inspection and Repair Process

Our repair process for the MOOG 931C begins with teardown and mineral bath cleaning to assess all components.

Why Repair With NC Servo

Unlike OEM shops, we use our own inventory to handle most rebuilds. That cuts down on lead time and gets your unit back faster.

Frequently Asked Questions

Yes. If the unit can’t be repaired, we contact you with options before doing anything further.

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

Expedited options are available depending on current scheduling. Contact us to discuss your timeline.

In most cases, repair costs less than replacement, especially for legacy or OEM-specific models. We evaluate every unit and let you know what makes sense.

Standard turnaround is 1-3 weeks. Rush options are available for time-sensitive situations.

Repair Process

We disassemble every valve, inspect it inside and out, and clean all moving parts. Components that fail inspection are swapped out before the valve is rebuilt and tested.

  • Complete Disassembly: The unit is disassembled and all parts are laid out for individual inspection.
  • 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.
  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.

Testing and Bench Verification

With over a dozen dedicated flow 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 functional testing verifies proper functionality.

Common Applications

Our trusted repair services for the MOOG 931C are trusted across various sectors including Defense, Power Generation, and Construction. We understand the unique demands of valves in these environments.

Turnaround and Shipping

As a focused repair facility for MOOG 931C 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

  • Flush the hydraulic system after any major repair to remove debris before reinstalling the MOOG 931C.
  • Monitor operating temperatures to identify potential issues before failure occurs.
  • Keep hydraulic fluid clean and at proper levels for consistent valve operation.

Request a Quote for Your MOOG 931C Maintenance

Request pricing, availability, and turnaround for your MOOG 931C. NC Servo Tech provides warrantied repair with a 1-year warranty. Contact us to schedule 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.