Repair Procedure

Our process involves a teardown of your REXROTH KRAUSS MAFFEI 6438716 R90972657, ultrasonic cleaning, and reassembly with quality parts to restore operation.

About This Unit

NC Servo Technology provides repair and reconditioning for the REXROTH KRAUSS MAFFEI 6438716 R90972657. With in-house tooling and stocked parts, we keep turnaround times short.

Frequently Asked Questions

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

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

Part of our intake includes troubleshooting to determine the failure point. We report findings before proceeding.

Yes. If the unit can’t be repaired, we contact you with options before doing anything further.

Warranty coverage of a 12-month warranty on parts and labor is included with every repair we complete.

Experience and Warranty

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

17,000+ valves in stock including REXROTH KRAUSS MAFFEI 6438716 R90972657 exchange units

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.

  • 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.
  • Final Performance Verification: After reassembly, each valve is bench-tested against published performance specifications.
  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.

Testing and Bench Verification

NC Servo Technology operates our 13-stand test facility, including setups for proportional and servo valves. Every valve goes through performance and leak testing using industry-standard fluids including MIL-5606 and Skydrol. Our functional testing verifies consistent performance.

Lead Times and Support

As a dedicated source for REXROTH KRAUSS MAFFEI 6438716 R90972657 services, NC Servo Technology targets quick resolution with typical lead times of 2 to 3 weeks. Benefit from our responsive technical support to keep your systems running smoothly.

Product Data Available

For transparent insights into your REXROTH KRAUSS MAFFEI 6438716 R90972657, 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

  • Replace inline filters according to maintenance schedules to maintain proper flow rates.
  • Schedule preventive maintenance intervals based on duty cycle, not just calendar time.
  • Inspect REXROTH KRAUSS MAFFEI 6438716 R90972657 seals regularly to prevent leaks and maintain performance.

Let Us Repair Your REXROTH KRAUSS MAFFEI 6438716 R90972657

Request pricing, availability, and turnaround for your REXROTH KRAUSS MAFFEI 6438716 R90972657. NC Servo Technology provides independent repair with a 1-year warranty. Contact us to set up 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 REXROTH or any original equipment manufacturer (OEM), nor do we claim to be a REXROTH 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.