Our Approach to Repair

Each Moog E772-103 undergoes a meticulous reconditioning, starting with a full disassembly and ending with rigorous performance testing.

The NC Servo Tech Advantage

As a focused electronic controls company, our technicians work on industrial components like the Moog E772-103 daily, giving us a level of experience you won’t find elsewhere.

30+ years of expertise in Moog E772-103 Valve Repair

Frequently Asked Questions

Service Procedure

The comprehensive repair process for the Moog E772-103 includes full disassembly, diagnostic review, and replacement of failed seals, spools, or other critical elements. Final assembly includes thorough leak and function testing.

• In-House Parts Sourcing: Many repairs use reliable components sourced from our extensive inventory of existing units.
• Meticulous Cleaning: All parts undergo an ultrasonic cleaning process to remove contaminants before inspection.
• Rigorous Testing: The reassembled unit undergoes rigorous leak and pressure testing to verify it performs to specification.
• Final Performance Verification: After reassembly, each valve is bench-tested to ensure it meets or exceeds original performance specifications.

Testing & Diagnostics

NC Servo Tech operates thirteen state-of-the-art test stands, including setups specifically for proportional and servo valves. Every valve goes through performance and leak testing using a range of hydraulic fluids like Skydrol and MIL-5606. Our performance testing ensures ensured functionality.

Maintenance Tips

• Inspect Moog E772-103 seals regularly to prevent leaks and ensure optimal performance.
• Check valve alignment carefully to prevent undue stress on internal components.
• Conduct visual inspections for wear or leaks.