Repair Procedure

We specialize in the overhaul of your MOOG D633-313A, including the replacement of all necessary seals and worn components.

About Our Shop

We’ve built our shop around one thing: industrial repair. With decades of hands-on experience and deep product knowledge, we deliver consistent results.

Factory-level test stands dedicated to MOOG D633-313A performance verification

Frequently Asked Questions

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

Rush and priority service options exist. Availability depends on current workload, so contact us early.

Yes. Photos of the nameplate and overall unit let us begin identification before it arrives, which speeds up the process.

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

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

Disassembly and Rebuild Procedure

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.

  • Final Performance Verification: After reassembly, each valve is bench-tested against published performance specifications.
  • Complete Disassembly: The unit is disassembled and all parts are laid out for individual inspection.
  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • Leak and Pressure Testing: The reassembled unit is leak-tested and pressure-tested to verify it meets published specs.

Diagnostic Testing

Each MOOG D633-313A is tested on a dedicated flow bench before it ships. We check pressure, flow, leakage, and response characteristics against published specifications. Our functional testing verifies consistent performance.

Repair, Rebuild and Exchange Options

Beyond standard refurbishment, we offer specialized repairs for your MOOG D633-313A unit. Our overhaul process includes internal inspection and leak testing, using only new replacement components.

Turnaround and Shipping

As a dedicated source for MOOG D633-313A services, NC Servo Technology targets quick resolution with typical lead times of 1 to 3 weeks. Benefit from our responsive technical support to keep your systems running smoothly.

In-House Inventory for MOOG D633-313A

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.

Product Data Available

For detailed insights into your MOOG D633-313A, we can provide access to reports and repair records. This transparency offers you record-keeping and aids in long-term maintenance planning.

Maintenance Tips

  • Keep hydraulic fluid clean and at proper levels for consistent valve operation.
  • Perform fluid analysis to detect contamination early and prevent system damage.
  • Inspect MOOG D633-313A seals regularly to prevent leaks and maintain performance.

Start Your MOOG D633-313A Reconditioning Process

Request pricing, availability, and turnaround for your MOOG D633-313A. NC Servo Technology provides hands-on 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.