Valve Overview

The MOOG 078-136D is one of many models we routinely service. Our process includes disassembly, cleaning, and reassembly using reliable components.

Teardown and Rebuild Steps

Each MOOG 078-136D undergoes reconditioning — disassembly, parts replacement, reassembly, and bench testing before shipment.

Frequently Asked Questions

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

Not required, but removing excess oil or loose debris before packing helps keep things clean in transit.

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

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

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

About Our Shop

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

Factory-level test stands dedicated to MOOG 078-136D performance verification

How We Rebuild This Valve

Our team disassembles each valve to assess internal wear. After ultrasonic cleaning, we install replacements and reassemble and verify operation.

  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.
  • Final Performance Verification: After reassembly, each valve undergoes bench-testing against published performance specs.
  • Complete Disassembly: The unit is disassembled and all parts are laid out for individual inspection.
  • Leak and Pressure Testing: The reassembled unit is leak-tested and pressure-tested to verify it meets published specs.

Leak and Performance Testing

We carry out full diagnostics on every valve, including flow gain, leakage, pressure shift, and frequency testing. Our test facility supports performance logging and report generation. Our operational testing verifies spec-level operation.

Technical Specifications

Every MOOG 078-136D we service is tested under real-world conditions. Our diagnostics verify performance against published specifications. Performance data and Technical diagrams are available for purchase upon request.

Maintenance Tips

  • Use only manufacturer-recommended hydraulic fluids to protect internal valve surfaces.
  • Flush the hydraulic system after any major repair to remove debris before reinstalling the MOOG 078-136D.
  • Replace inline filters according to maintenance schedules to maintain proper flow rates.

Let Us Repair Your MOOG 078-136D

Request pricing, availability, and turnaround for your MOOG 078-136D. NC Servo Tech provides experienced repair with a 1-year warranty. Contact us to set up 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.