Inspection and Repair Process

We specialize in the overhaul of your MOOG D631-342F, including the replacement of all necessary gaskets and worn components.

Experience and Warranty

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

If a unit is beyond repair, we explain why and can discuss replacement or exchange options.

Yes. Every unit goes through diagnostic testing and we provide an assessment before moving forward.

It depends on the unit and scope of work. We provide an estimated timeline after initial evaluation.

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

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

Disassembly and Rebuild Procedure

Our team disassembles each valve to assess internal wear. After ultrasonic cleaning, we install replacements and reassemble and verify operation.

  • 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.
  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • Teardown: Every valve is disassembled for internal inspection.

Leak and Performance Testing

NC Servo Tech operates over a dozen dedicated flow test stands, including setups for proportional and servo valves. Every valve goes through performance and leak testing using a range of hydraulic fluids like Skydrol and MIL-5606. Our pre-shipment testing verifies proper functionality.

Common Applications

Our reliable repair services for the MOOG D631-342F are trusted across various sectors including Paper & Pulp, Power Generation, and Manufacturing. We understand the unique demands of valves in these environments.

Performance Data

Every MOOG D631-342F we service is tested under typical applications. Our diagnostics verify performance against published specifications. Cycle life data and Specification sheets are available for purchase upon request.

In-House Inventory for MOOG D631-342F

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

  • Replace inline filters according to maintenance schedules to maintain proper flow rates.
  • Flush the hydraulic system after any major repair to remove debris before reinstalling the MOOG D631-342F.
  • Document all maintenance activities to track performance trends over time.

Schedule Your MOOG D631-342F Service Today

Request pricing, availability, and turnaround for your MOOG D631-342F. NC Servo Tech provides experienced repair with a 1-year warranty. Contact us to start 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.