Inspection and Repair Process

Our process involves a teardown of your MOOG D631Z343C, mineral bath and ultrasonic cleaning, and reassembly with quality parts to restore operation.

Why Repair With NC Servo

We stock common wear parts in-house, so most rebuilds don’t require outside sourcing. Less waiting, faster turnaround.

In-house parts inventory eliminates OEM lead time delays for MOOG D631Z343C

Frequently Asked Questions

Send the unit in whatever condition it’s in. We clean everything during teardown before inspection begins.

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

Send it in for evaluation. We’ll inspect it and give you a repair-vs-replace recommendation based on the actual condition of the unit.

Helpful but not required. If you can photograph the label, connectors, and overall unit, it gives our team a head start.

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

Repair Process

Every MOOG D631Z343C gets a controlled teardown on our bench. We document condition, replace what’s needed, and reassemble to proper operating condition.

  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.
  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.
  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • Complete Disassembly: The unit is disassembled and all parts are laid out for individual inspection.

Hydraulic Testing Process

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 performance testing verifies spec-level operation.

Repair, Rebuild and Exchange Options

Beyond standard refurbishment, we offer specialized reconditioning for your MOOG D631Z343C unit. Our disassembly process includes bench testing and flow verification, using only replacement replacement components.

Lead Times and Support

As a dedicated source for MOOG D631Z343C services, NC Servo Technology targets quick resolution with typical lead times of 1 to 2 weeks. Benefit from our dedicated support team to keep your systems running smoothly.

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.

Technical Information

For documented insights into your MOOG D631Z343C, we can provide access to repair records and reports. This transparency offers you peace of mind and aids in long-term maintenance planning.

Maintenance Tips

  • Check valve alignment carefully to prevent undue stress on internal components.
  • Replace inline filters according to maintenance schedules to maintain proper flow rates.
  • Conduct thorough visual inspections for wear or leaks during routine maintenance.

Ready to Restore Your MOOG D631Z343C?

Request pricing, availability, and turnaround for your MOOG D631Z343C. NC Servo Technology provides independent repair with a 1-year warranty. Contact us to schedule 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.