General Information

If the MOOG D661-571C valve on your line starts drifting, send it in. We return it tested and ready to install.

The NC Servo Tech Advantage

Our commitment to service excellence shows in everything we do. From initial consultation through project completion, we provide professional support.

Service Procedure

Our valve service process includes complete disassembly, thorough cleaning, component inspection and replacement, careful reassembly, and comprehensive testing.

  • Detailed evaluation and reporting
  • Component-level repair or replacement
  • Assembly checks with correct adjustments
  • Functional and leak testing
  • Documented results supplied at return

Ready When You Are

This unit is not currently listed in stock. Contact us to review repair timelines, exchange possibilities, or alternate solutions tailored to your downtime requirements.

Frequently Asked Questions

Schedule Your MOOG D661-571C Service Today

Trust NC Servo Technology for top-tier service. Contact us today to schedule your repair and get your unit refurbished.