Repair Procedure

Our process involves a teardown of your MOOG 773-590, ultrasonic cleaning, and reassembly with quality parts to restore operation.

Experience and Warranty

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

Frequently Asked Questions

Not required, but removing excess oil or loose debris before packing helps keep things clean in transit.

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.

We regularly work on units with missing labels. Send us a few images and any visible part numbers, and we can usually match it.

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

Photos help us confirm the unit type and speed up intake. You can upload them through our quote request form.

Repair Process

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

  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.
  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • Final Performance Verification: After reassembly, each valve is bench-tested against published performance specifications.
  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.

Diagnostic Testing

We carry out full diagnostics on every valve, including flow gain, leakage, pressure shift, and frequency testing. Our test facility supports performance logging and report generation. Our pre-shipment testing verifies proper functionality.

Industries We Serve

Our trusted repair services for the MOOG 773-590 are trusted across various sectors including Paper & Pulp, Manufacturing, and Steel & Metals. We understand the unique demands of valves in these environments.

Technical Specifications

Every MOOG 773-590 we service is tested under typical applications. Our diagnostics verify performance against published specifications. Cycle life data and Technical diagrams are available for purchase upon request.

Repair, Rebuild and Exchange Options

Beyond standard maintenance, we offer specialized reconditioning for your MOOG 773-590 unit. Our overhaul process includes seal replacement and leak testing, using only replacement replacement components.

Turnaround and Shipping

As a specialist for MOOG 773-590 services, NC Servo Technology targets quick resolution with typical lead times of 2 to 3 weeks. Benefit from our direct access to our technicians to keep your systems running smoothly.

Maintenance Tips

  • Store spare MOOG 773-590 valves in a clean, dry environment to prevent corrosion and contamination.
  • Flush the hydraulic system after any major repair to remove debris before reinstalling the MOOG 773-590.
  • Use only manufacturer-recommended hydraulic fluids to protect internal valve surfaces.

Get a Free Evaluation for Your MOOG 773-590

Request pricing, availability, and turnaround for your MOOG 773-590. 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.