Electric Motor Repair

Welcome to Lincoln Service, serving customers since 1956

With over six decades of experience, we pride ourselves on being experts in the field. Our comprehensive range of services ensures that your motors are restored to optimum functionality, keeping your operations running smoothly. Our skilled technicians meticulously handle these intricate processes, ensuring the durability and performance of your motors.

Our specialized services include:

  • AC 3 Phase Motor Stator Rewinding
  • AC 3 Phase Motor Re-insulation
  • DC Motor Re-insulation
  • DC Motor Armature Rewinding
  • DC Motor Field Coil Rewinding

These services optimize the efficiency and reliability of your motors, extending their lifespan.

We also cater to specific motor components by providing services such:

  • Commutator Re-Bar
  • Commutator Turn and Undercutting
  • New Brush Install
  • New Brush Holder Install
  • Bearing Replacement
  • Rotor Balancing
  • New Shaft Install
  • New Keyway Install
  • New Fan Install
  • Endbracket Sleeving
  • Conduit Modifications

Our Repair Process

Electric Motor Repair Procedures

Electric Motor Repair capabilities

1. Data

Motor nameplate data is recorded

2. 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
  • Cracks in motor base

3. 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)

4. 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 (or burned out if required)
  • Core test is performed on the stator housing
  • Magnets are inspected for cracks

5. ASSEMBLY

  • New bearings are installed
  • New seals are installed
  • If required, new windings are impregnated
  • Brakes are rebuilt or replaced depending on manufacturer design.

6. ROTOR BALANCING AND TESTING

  • Rotor is run through a full vibration diagnostic

7. 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

8. SERVICE REPORT

  • A Final 3-page Service Report is filled out
  • 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

Whether it’s worn-out bearings or damaged shafts, our expert technicians use high-quality part replacements and advanced techniques to ensure precise installations, eliminating any potential issues.

With a strong commitment to customer satisfaction, we prioritize your needs and expectations. Our dedicated team is readily available to address any inquiries or concerns throughout the repair process. We aim to not only meet but exceed your expectations, ensuring a seamless and satisfactory experience.

Over the years, our business has earned a stellar reputation for reliability, quality craftsmanship, and attention to detail. By choosing our electric motor repair services, you can trust that your motors are in capable hands, and that we will deliver superior results to keep your operations running efficiently.

Contact us today to experience the expertise and reliability of our electric motor repair services. Let us help you restore your motors to their optimal performance and save your business time and money.