How We Repair Your Unit

Our process involves a teardown of your NC Servo 77-5NC, mineral bath and ultrasonic cleaning, and reassembly with quality parts to restore operation.

Independent Repair Facility

As a specialized repair facility, we have dedicated test equipment that general-purpose shops don’t. That means your NC Servo 77-5NC gets serviced by people who work on these units regularly.

Specializing in NC Servo 77-5NC servo valve technology for over five decades

Frequently Asked Questions

In most cases, repair costs less than replacement, especially for legacy or OEM-specific models. We evaluate every unit and let you know what makes sense.

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

Yes, our standard 1-year parts and labor warranty is standard on all repairs. Details are provided with your service report.

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

Yes. We diagnose first, then provide a repair recommendation with our findings. No work begins without your approval.

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.
  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • 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.

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 functional testing verifies consistent performance.

Industries We Serve

Our reliable repair services for the NC Servo 77-5NC are trusted across various sectors including Plastics & Injection Molding, Industrial Machinery, and Power Generation. We understand the unique demands of valves in these environments.

Additional NC Servo 77-5NC Services

Beyond standard sales, we offer specialized repairs for your NC Servo 77-5NC unit. Our teardown process includes pressure testing and spool evaluation, using only new replacement components.

Lead Times and Support

As a dedicated source for NC Servo 77-5NC 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.

Maintenance Tips

  • Keep hydraulic fluid clean and at proper levels for consistent valve operation.
  • Replace inline filters according to maintenance schedules to maintain proper flow rates.
  • Keep a spare NC Servo 77-5NC on hand to minimize downtime during unplanned failures.

Request a Quote for Your NC Servo 77-5NC Maintenance

Request pricing, availability, and turnaround for your NC Servo 77-5NC. NC Servo Technology provides warrantied repair with a 1-year warranty. Contact us to start 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 NC Servo or any original equipment manufacturer (OEM), nor do we claim to be a NC Servo 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.