Overview

The ULTRA 4658-7428E is one of many models we routinely service. Our process includes disassembly, cleaning, and reassembly using reliable components.

How We Repair Your Unit

We specialize in the overhaul of your ULTRA 4658-7428E, including the replacement of all necessary gaskets and worn components.

Frequently Asked Questions

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

Send the unit in whatever condition it’s in. We clean everything during teardown before inspection begins.

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

We recommend sending pictures, especially if the model number is unclear or there is visible damage.

Yes. Our repairs include a one-year warranty covering parts and labor.

Experience and Warranty

As a specialized repair facility, we have dedicated test equipment that general-purpose shops don’t. That means your ULTRA 4658-7428E gets serviced by people who work on these units regularly.

17,000+ valves in stock including ULTRA 4658-7428E exchange units

How We Rebuild This Valve

We disassemble every valve, inspect it inside and out, and clean all moving parts. Components that fail inspection are swapped out before the valve is rebuilt and tested.

  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.
  • Leak and Pressure Testing: The reassembled unit is leak-tested and pressure-tested to verify it meets published specs.
  • 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.

Testing and Bench Verification

NC Servo operates thirteen in-house test stands, including setups 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 operational testing verifies proper functionality.

Turnaround and Shipping

As a focused repair facility for ULTRA 4658-7428E services, NC Servo targets quick resolution with typical lead times of 1 to 3 weeks. Benefit from our dedicated support team to keep your systems running smoothly.

Data Sheets & Reports

For detailed insights into your ULTRA 4658-7428E, we can provide access to reports and service logs. This transparency offers you peace of mind and aids in long-term maintenance planning.

Maintenance Tips

  • Use only manufacturer-recommended hydraulic fluids to protect internal valve surfaces.
  • Store spare ULTRA 4658-7428E valves in a clean, dry environment to prevent corrosion and contamination.
  • Inspect ULTRA 4658-7428E seals regularly to prevent leaks and maintain performance.

Get an Expert Repair for Your ULTRA 4658-7428E

Request pricing, availability, and turnaround for your ULTRA 4658-7428E. NC Servo provides warrantied repair with a 1-year warranty. Contact us to set up 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 ULTRA or any original equipment manufacturer (OEM), nor do we claim to be a ULTRA 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.