Inspection and Repair Process

Our repair process for the A-T-J 84-9-350 begins with teardown and mineral bath and ultrasonic cleaning to assess all components.

About This Unit

Whether the issue is age, wear, or contamination, the A-T-J 84-9-350 can often be restored. NC Servo Technology applies the same structured approach to every rebuild.

Frequently Asked Questions

Yes. We diagnose first, then provide a repair recommendation with our findings. No work begins without your approval.

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

All repairs come with a one-year warranty. Contact us for specifics on your unit.

You can send it as-is. We handle all cleaning and preparation as part of our standard process.

Expedited options are available depending on current scheduling. Contact us to discuss your timeline.

Experience and Warranty

We’ve built our shop around one thing: industrial repair. With decades of hands-on experience and deep product knowledge, we deliver consistent results.

Factory-level test stands dedicated to A-T-J 84-9-350 performance verification

Repair Process

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.

  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • Leak and Pressure Testing: The reassembled unit is leak-tested and pressure-tested to verify it meets published specs.
  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.
  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.

Testing and Bench Verification

With over a dozen dedicated flow test stands and a Hagenbush proportional valve system, we verify flow curves, hysteresis, frequency response, and more. Performance reports and graphs are available for purchase on request. Our functional testing verifies consistent performance.

Additional A-T-J 84-9-350 Services

Beyond standard maintenance, we offer specialized reconditioning for your A-T-J 84-9-350 unit. Our overhaul process includes seal replacement and spool evaluation, using only replacement replacement components.

Turnaround and Shipping

As a focused repair facility for A-T-J 84-9-350 services, NC Servo Technology targets quick resolution with typical lead times of 2 to 3 weeks. Benefit from our direct access to our technicians to keep your systems running smoothly.

Parts and Inventory

With more than 17,000 valve units in inventory, we can often provide faster turnaround by sourcing parts in-house rather than waiting on OEM lead times.

Documentation on Request

For transparent insights into your A-T-J 84-9-350, we can provide access to service logs and repair records. This transparency offers you peace of mind and aids in long-term maintenance planning.

Maintenance Tips

  • Keep hydraulic fluid clean and at proper levels for consistent valve operation.
  • Conduct thorough visual inspections for wear or leaks during routine maintenance.
  • Monitor operating temperatures to identify potential issues before failure occurs.

Let Us Repair Your A-T-J 84-9-350

Request pricing, availability, and turnaround for your A-T-J 84-9-350. NC Servo Technology provides experienced repair with a 1-year warranty. Contact us to start your repair.

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NC Servo Technology is an independent third-party repair facility. We are not affiliated with, endorsed by, sponsored by, or authorized by A-T-J or any original equipment manufacturer (OEM), nor do we claim to be a A-T-J 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.