Key Details

The MOOG 79-128 is one of many models we routinely service. Our process includes disassembly, cleaning, and reassembly using reliable components.

Inspection and Repair Process

Our process involves a teardown of your MOOG 79-128, mineral bath and ultrasonic cleaning, and reassembly with quality parts to restore operation.

Frequently Asked Questions

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

Inspection and root-cause analysis are part of our standard process. We identify the issue before starting any repair work.

Warranty coverage of a one-year warranty is included with every repair we complete.

Yes. Our technicians can often identify units based on photos, dimensions, or manufacturer markings. Send a photo before shipping to speed up intake.

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

Experience and Warranty

We stock common wear parts in-house, so most rebuilds don’t require outside sourcing. Less waiting, faster turnaround.

Factory-level test stands dedicated to MOOG 79-128 performance verification

Repair Process

The repair process for the MOOG 79-128 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.
  • Complete Disassembly: The unit is disassembled and all parts are laid out for individual inspection.
  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.
  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.

Hydraulic Testing Process

NC Servo Tech operates over a dozen dedicated flow test stands, including setups for proportional and servo valves. Every valve goes through performance and leak testing using standard test fluids to match your operational needs. Our performance testing verifies spec-level operation.

Additional MOOG 79-128 Services

Beyond standard sales, we offer specialized overhauls for your MOOG 79-128 unit. Our teardown process includes disassembly and pressure testing, using only replacement replacement components.

Lead Times and Support

As a specialist for MOOG 79-128 services, NC Servo Tech targets quick resolution with typical lead times of 1 to 2 weeks. Benefit from our direct access to our technicians 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.

Technical Information

For documented insights into your MOOG 79-128, we can provide access to repair records and service logs. This transparency offers you record-keeping and aids in long-term maintenance planning.

Maintenance Tips

  • Schedule preventive maintenance intervals based on duty cycle, not just calendar time.
  • Replace inline filters according to maintenance schedules to maintain proper flow rates.
  • Use only manufacturer-recommended hydraulic fluids to protect internal valve surfaces.

Schedule Your MOOG 79-128 Service Today

Request pricing, availability, and turnaround for your MOOG 79-128. NC Servo Tech provides experienced repair with a 1-year warranty. Contact us to start your repair.

Request a Quote View All MOOG Products Shop MOOG Inventory

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.