Teardown and Rebuild Steps

Our process involves a teardown of your MOOG 77-2NC, mineral bath and ultrasonic cleaning, and reassembly with quality parts to restore operation.

About Our Shop

As a specialized repair facility, we have dedicated test equipment that general-purpose shops don’t. That means your MOOG 77-2NC gets serviced by people who work on these units regularly.

One-year warranty on all MOOG 77-2NC valve repairs

Frequently Asked Questions

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

Yes. Our repairs include a 12-month warranty on parts and labor covering parts and labor.

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

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

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.

How We Rebuild This Valve

Every MOOG 77-2NC gets a controlled teardown on our bench. We document condition, replace what’s needed, and reassemble to proper operating condition.

  • 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.
  • Teardown: Every valve is disassembled for internal inspection.
  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.

Hydraulic Testing Process

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 operational testing verifies spec-level operation.

Common Applications

Our expert repair services for the MOOG 77-2NC are trusted across various sectors including Plastics & Injection Molding, Power Generation, and Automotive. We understand the unique demands of valves in these environments.

Turnaround and Shipping

As a specialist for MOOG 77-2NC services, NC Servo Tech targets quick resolution with typical lead times of 1 to 3 weeks. Benefit from our dedicated support team to keep your systems running smoothly.

Parts and Inventory

With more than 17,000 valve units in inventory, we can often provide faster turnaround by sourcing parts in-house rather than waiting on OEM lead times.

Maintenance Tips

  • Keep hydraulic fluid clean and at proper levels for consistent valve operation.
  • Conduct thorough visual inspections for wear or leaks during routine maintenance.
  • Use only manufacturer-recommended hydraulic fluids to protect internal valve surfaces.

Ready to Restore Your MOOG 77-2NC?

Request pricing, availability, and turnaround for your MOOG 77-2NC. NC Servo Tech provides independent repair with a 1-year warranty. Contact us to set up your repair.

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.