Valve Overview

We’ve serviced hundreds of MOOG 79-086 units over the years. Each one goes through the same controlled teardown, parts replacement, and testing process.

Independent Repair Facility

NC Servo Tech operates independently, so we’re not tied to manufacturer delays or restrictions. That means more flexibility when your system is down.

Specializing in MOOG 79-086 servo valve technology for over five decades

Frequently Asked Questions

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

No cleaning required. Our repair process includes disassembly and cleaning of all components.

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

Yes, rush service is available for an additional fee. Let us know your deadline when you submit your request.

We confirm next steps with you if a unit can’t be rebuilt. No work proceeds without your approval.

Disassembly and Rebuild Procedure

The repair process for the MOOG 79-086 includes disassembly, diagnostic review, and replacement of failed seals, spools, or other elements. Final assembly includes leak and function testing.

  • 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.
  • Complete Disassembly: The unit is disassembled and all parts are laid out for individual inspection.
  • Final Performance Verification: After reassembly, each valve undergoes bench-testing against published performance specs.

Hydraulic Testing Process

NC Servo Tech operates our 13-stand test facility, including setups for proportional and servo valves. Every valve goes through performance and leak testing using industry-standard fluids including MIL-5606 and Skydrol. Our operational testing verifies spec-level operation.

Industries We Serve

Our professional repair services for the MOOG 79-086 are trusted across various sectors including Aerospace, Automotive, and Defense. We understand the unique demands of valves in these environments.

Repair, Rebuild and Exchange Options

Beyond standard sales, we offer specialized reconditioning for your MOOG 79-086 unit. Our teardown process includes reassembly to spec and leak testing, using only replacement replacement components.

Turnaround and Shipping

As a dedicated source for MOOG 79-086 services, NC Servo Tech targets quick resolution with typical lead times of 2 to 3 weeks. Benefit from our responsive technical support to keep your systems running smoothly.

Parts and Inventory

With an extensive stock of 17,000+ valves, we can often provide faster turnaround by sourcing parts in-house rather than waiting on OEM lead times.

Maintenance Tips

  • Schedule preventive maintenance intervals based on duty cycle, not just calendar time.
  • Keep a spare MOOG 79-086 on hand to minimize downtime during unplanned failures.
  • Check valve alignment carefully to prevent undue stress on internal components.

Get a Free Evaluation for Your MOOG 79-086

Request pricing, availability, and turnaround for your MOOG 79-086. 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.