Electric Motor Repair
Is your motor missing from the list? We'll still fix it.
- Call A&C Electric for repairs (586) 469.0710 -
Electric Motor Repair in Grand Rapids, MI
A&C Electric is a leading provider of industrial motor repair services in Michigan, with 4 locations and a one-year warranty on all repairs. Our team of experts can repair any type of electric motor, including servo motors, spindles, blowers, brakes, pumps, gearboxes, crane motors, eddy current Ajusto-Spede drives, and press drives.
Fast and affordable electric motor repair
We provide fast and affordable electric motor repair services for all types of electric motors. A&C Electric has made significant investments in in-house equipment that ensures your motor will be repaired as soon as possible. Our in-house equipment is set up to ensure that you receive your motor back with as little downtime as possible. Contact us today for a free quote!
Contact A&C Electric, a certified motor distributor, for Electric Motor Repair in Grand Rapids, MI.
Servo Lab Capabilities




Servo Lab Repair Procedures
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Data
Motor nameplate data is recorded
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Inspection
A visual inspection of any damage to the motor.
We check for- Damaged Leads/Terminals
- Worn output shaft/keyways
- Cracks in end bells or covers
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Job Ticket
We complete to full write up off all motor data
Including- All winding tests (Resistance, Meg Ω, Continuity)
- All bearing sizes
- All seal sizes
- Brake torque tests (Record Torque, winding resistance)
- Feedback Tests (Tachometer/Encoder)
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Motor Disassembly
- Bearing and seal sizes are recorded
- Bearing fits are measured on shaft and End bell
- Brake torque is measured as well as resistance and Meg Ω
- More winding tests are performed (Surge and HiPOT tests)
- Stator is then washed and baked in oven
- Magnets are inspected for cracks or if loose on shaft
- Encoder is tested with either (Heidenhain PWM20, Sick PGT-11, or Mitchell Electronics equipment)
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Assembly
- New bearings are installed
- New seals are installed
- If required, new windings are impregnated
- Brakes are rebuilt or replaced depending on manufacturer design.
- Rebuilt or New encoders are installed and aligned using:
- (Heidenhain PWM20, Sick PGT-11, or Mitchell Electronics equipment)
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Rotor Balancing and Testing
- Rotor is run through a full vibration diagnostic
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Run Testing
- Every Motor is Run for a minimum of 1 hour using one of our drives.
- We use Siemens S110, S120, IndraDrive, AB Kinetix 300, Yaskawa 7, and AMC drives
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Service Report
- A Final 3-page Service Report is filled out
- Pinout diagram for power and feedback is provided
- Brake torque is recorded a final time for our Service Reports
- A photo of nameplate and motor is attached
- A motor tag is installed on motor with QR code linking Service Report and Job Histories
- If requested, a YouTube link is attached to the service report of motor


