When a Hitachi servo motor fails, precision-driven production systems can quickly lose accuracy, efficiency, or come to a complete stop. These motors are often used in high-performance automation environments where consistent motion control is critical. At Servotech, we specialize in comprehensive Hitachi servo motor repair services designed to restore performance, improve reliability, and extend the life of your equipment.
Our technicians are experienced in servicing Hitachi servo systems used across advanced manufacturing, robotics, CNC machinery, and automated production lines. Each motor is evaluated individually to identify the root cause of failure and ensure a complete, system-level repair approach rather than a surface-level fix.
Hitachi AC Servo Motor Repair
Every Hitachi AC servo motor that enters our facility undergoes a detailed diagnostic inspection to assess both electrical and mechanical condition. Our AC servo motor repair process focuses on restoring precision performance by evaluating key components such as stators, rotors, feedback devices, housings, and bearings.
Hitachi AC servo motors are known for their high efficiency and tight control tolerances, which means even minor component degradation can impact overall system performance. Our technicians carefully inspect each unit to ensure all worn or failing components are identified and corrected.
Once repairs are completed, each motor is tested under simulated operating conditions to verify smooth operation, torque consistency, and compatibility with industrial drive systems. This ensures that every Hitachi AC servo motor is returned ready for reliable performance in demanding production environments.
Hitachi DC Servo Motor Repair
Hitachi DC servo motor repair requires a detailed, methodical approach due to the mechanical wear characteristics of brushed motor systems. Each motor is fully disassembled, cleaned, and inspected to evaluate both electrical integrity and mechanical condition.
DC servo motors commonly experience wear in carbon brushes, commutators, and internal windings. Our repair process includes full replacement of worn components, deep cleaning to remove carbon buildup, and restoration of proper alignment to ensure smooth, efficient operation.
Because many Hitachi DC servo motors are found in long-running industrial systems, some components may be obsolete or difficult to source. Servotech addresses this challenge through a combination of extensive inventory management and in-house machining capabilities, allowing us to fabricate or adapt replacement parts when necessary.
Servotech provides complete Hitachi AC servo motor repair and DC servo motor repair services built on precision, technical expertise, and reliable execution. Whether supporting advanced automation systems or legacy industrial equipment, we focus on restoring performance and extending equipment life. When reliability and accuracy matter, Servotech is a trusted partner for Hitachi servo motor repair and long-term support.
Our Repair & Refurbishment Process
1. Checking In
- Motor is photographed and documented by our receiving department
- Unique job number is assigned
- Acknowledgement is sent via email
- Motor is delivered to the appropriate department to be evaluated
2. Evaluation
The evaluation of each Hitachi servo motor is extremely thorough and is 100% free for all our customers. Our technicians fully inspect all mechanical and electrical components and perform multiple tests to determine the root cause of failure. This includes, but is not limited to:
- Bearing fits
- Housing fits
- Worn output shafts
- Corroded and/or broken flanges
- Burnt stator windings
- Failed encoders
- Damaged connectors
3. Quote
Our purchasing department then generates a firm quote outlining the cause of failure and listing all required parts for repair. Our team specializes in sourcing components for Hitachi servo systems, including both current and legacy models. We understand the importance of fast turnaround and work to minimize downtime wherever possible.
4. Servo Motor Repair
Once the quote is approved, our technicians begin the repair process. Any required in-house work such as winding, machining, or precision balancing is completed in the appropriate department. Each Hitachi servo motor is rebuilt using high-quality replacement parts and restored to good-as-new condition.
5. Final Testing
After repairs are completed, each Hitachi servo motor moves to quality control for final testing. We test units under simulated operating conditions using factory-compatible drives to ensure proper performance, responsiveness, and stability. This process confirms that the motor will function correctly once reinstalled in the field.
6. Painting & Re-Labeling
A professional finish helps protect your Hitachi servo motor from environmental wear and contamination while restoring its appearance. Our painting department applies application-specific coatings, including:
- Food grade epoxy
- IP67 epoxy
- Marine epoxy
7. Return Shipping
Our shipping department ensures every Hitachi servo motor is carefully packaged for safe return. Protective caps are installed on connectors, documentation is verified, and any included accessories are accounted for. For added protection, we use custom foam packaging or built-to-fit shipping crates depending on motor size.
Frequently Asked Questions (FAQ's)
Can I get a quote to repair my Hitachi servo motor prior to sending it in?
No, we need to inspect the servo motor in-house to provide a firm quote. However, we can typically provide a ballpark estimate over the phone. Call our expert staff at 860-632-0164 with your Hitachi servo motor model number.
Where do I send the servo motor?
Send your Hitachi servo motor to the address below. No need to address it to anyone’s attention—our receiving department will handle it upon arrival.
Servotech, Inc.
478 Timber Ridge Road
Middletown, CT 06457
How long will it take to repair my Hitachi servo motor?
Our standard lead time is 5 business days if all parts are available. Expedited Rapid Response service is available for an additional 15% with a 48-hour turnaround.
Do you offer a warranty on repairs or refurbishments?
Yes, we offer a one-year in-service warranty on Hitachi servo motor repairs and refurbishments. The warranty period begins once the motor is installed back into operation.
What is your service area?
We service customers across all major regions worldwide, including the Americas, Europe, Asia, Africa, and Oceania. If you can ship us your servo motor, we can repair it.
Servotech is an independent service provider and is not affiliated with or endorsed by Hitachi. All trademarks are the property of their respective owners.
