How We Repair Your Unit

Our process involves a teardown of your MOOG J662C120, mineral bath and ultrasonic cleaning, and reassembly with quality parts to restore operation.

Why Repair With NC Servo

Unlike OEM shops, we use our own inventory to handle most rebuilds. That cuts down on lead time and gets your unit back faster.

17,000+ valves in stock including MOOG J662C120 exchange units

Frequently Asked Questions

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

Turnaround time varies by model and condition. Contact us for a timeline specific to your unit.

If the main housing or board is intact, repair is usually the better option. We can restore most units to working condition with tested parts.

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

Even if the tag is worn off, we can often match the unit based on shape, size, and internal configuration.

How We Rebuild This Valve

The process begins with disassembly and visual evaluation. We then clean, replace worn pieces, and reassemble the valve to restore its function.

  • 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.
  • Teardown: Every valve is disassembled for internal inspection.
  • Leak and Pressure Testing: The reassembled unit is leak-tested and pressure-tested to verify it meets published specs.

Testing and Bench Verification

NC Servo operates our 13-stand test facility, 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 functional testing verifies spec-level operation.

MOOG J662C120 Specifications

Every MOOG J662C120 we service is tested under operating environments. Our diagnostics verify performance against published specifications. Cycle life data and Specification sheets are available for purchase upon request.

In-House Inventory for MOOG J662C120

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

Maintenance Tips

  • Perform fluid analysis to detect contamination early and prevent system damage.
  • Store spare MOOG J662C120 valves in a clean, dry environment to prevent corrosion and contamination.
  • Monitor operating temperatures to identify potential issues before failure occurs.

Ready to Restore Your MOOG J662C120?

Request pricing, availability, and turnaround for your MOOG J662C120. NC Servo provides experienced repair with a 1-year warranty. Contact us to schedule your repair.

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NC Servo 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.