
A Plus Electric Motor Repair, Inc. repairs Kollmorgen servo motors at our shop in St. Charles, Illinois. Kollmorgen servo motors drive packaging machines, converting lines, printing presses, robotics and machine tools, and when one fails the whole machine stops. We repair Kollmorgen servo motors for customers throughout northern Illinois, northwest Indiana and southern Wisconsin.
- AC brushless and DC servo motors
- Rewinding, balancing and machining done in house
- EASA member shop, with a lead rewinder who has been rewinding motors since the 1970s
- Standard repairs in 7 to 10 days, rush repairs in 3 to 5 days
- One-year repair warranty
- Free pickup and delivery within 50 miles of St. Charles
Kollmorgen and Regal Rexnord
Kollmorgen was part of Altra Industrial Motion, which Regal Rexnord acquired in 2023. That puts Kollmorgen in the same family as Boston Gear, Leeson and Century.
Kollmorgen Equipment We Repair
- AKM brushless AC servo motors
- Goldline and older Kollmorgen servo motors
- DC servo motors
- Servo motors with resolver or encoder feedback
- Servo motors with holding brakes
- Direct drive and frameless motors (call to confirm)
Our Kollmorgen Repair Process
- Incoming inspection. We record the model and serial number, feedback type and the reported fault.
- Electrical testing. Winding resistance, insulation and surge testing, plus checks of the encoder or resolver and the holding brake.
- Teardown and failure analysis. We inspect bearings, seals, shaft, magnets and connectors for contamination and wear.
- Written quote. You receive a repair quote, and a replacement option when one is faster or more economical.
- Repair. Bearings, seals, brake, connectors and windings as required, with the feedback device realigned to the motor.
- Final testing before the motor is returned.
Common Reasons Kollmorgen Servo Motors Come In
- Bearing and seal failure
- Encoder or resolver faults and misalignment
- Coolant and oil contamination
- Holding brake failure
- Winding shorts and insulation breakdown
- Damaged connectors and cables
What to Send for a Quote
Send a photo of the motor’s label. On Kollmorgen motors, the full model number identifies the frame, winding, feedback and options. Include the drive model if you have it, the fault code or symptom, and how quickly you need the motor back.
Frequently Asked Questions
Can you repair a Kollmorgen AKM servo motor?
Yes. We repair AKM servo motors, including bearings, seals, brakes, connectors and windings, and we realign the feedback device before the motor leaves the shop.
Do I need to send the drive too?
Usually not. Send the motor with its model number and the fault you are seeing. If the drive is suspect, we can look at it as well. See our servo motor repair page.
Is there Kollmorgen repair near me?
Our shop is in St. Charles, Illinois. Pickup and delivery are free within 50 miles, which covers most of the Chicago area and the Fox Valley. We also serve Rockford, northwest Indiana and southern Wisconsin. See our full service area.
What if a Kollmorgen servo motor fails after hours?
Call our 24-hour emergency line at (630) 283-8433.
Related Resources
- Servo motor repair
- Mitsubishi Electric servo motor repair
- Electric motor testing
- All motor brands we repair
Contact
A Plus Electric Motor Repair, Inc.
3483 Swenson Ave, St. Charles, IL 60174
Office: (630) 283-3569, Monday through Friday 8:00 AM to 4:30 PM, Saturday 8:00 AM to 12:00 PM
24-hour emergency line: (630) 283-8433
Request a Kollmorgen repair quote
Kollmorgen, AKM, Goldline and Regal Rexnord are trademarks of their respective owners. A Plus Electric Motor Repair, Inc. is an independent repair facility and is not affiliated with or authorized by the manufacturer.