A complete range of repair services are available at Dietz Electric Co., All repairs performed at Dietz electric meet or exceed the standards of the National Electrical Manufacturers Association (NEMA) Standard MG1; Electrical Apparatus Service Association (EASA); Institute of Electrical and Electronic Engineers (IEEE) Standard 112A. The Dietz Electric Co., Inc. Is certified by Underwriters Laboratories (UL) to repair explosion proof motors Class I Groups C&D, Class II Groups F& G, Division 1.
Dietz Electric Specializes in Electrical Motor Repair
AC Motor Repair – Squirrel Cage & Synchronous
Dietz Electric specializes in the repair and maintenance of AC motors, including both squirrel cage and synchronous types. These motors are widely used in industrial applications, and our skilled technicians ensure they operate efficiently and reliably. Whether it’s troubleshooting performance issues, replacing damaged components, or a motor overhaul we handle it all.
DC Motors and Generators
Our team is highly experienced in problem diagnosis of and repairing and refurbishing DC motors and generators, providing precise diagnostics and effective solutions. DC motors are crucial for applications requiring high torque at low speeds, and we ensure they are restored to optimal working conditions to minimize downtime.
Alternators – Brush, Brushless, High Frequency
We offer expert repair services for a variety of alternators, including brush and brushless models, as well as high-frequency alternators. These critical components convert mechanical energy into electrical energy, and our comprehensive repair process ensures they operate at peak efficiency.
Armature Repair and Magnet Wire Winding/Rewinding
Dietz Electric provides thorough armature rewinding and winding repairs, essential for the smooth operation of motors and generators. By carefully examining and refurbishing the winding and insulation, we extend the life of your equipment, ensuring reliable performance.
Crane Motors and Wound Rotors
We specialize in repairing crane motors and wound rotor motors, which are key to many industrial lifting applications. Our technicians are adept at restoring these complex motor systems, including both the stator and rotor components. Whether it’s rewinding stator coils or repairing rotor windings, we ensure that your crane motors deliver the power and precision required in demanding environments. By thoroughly inspecting and repairing the stator, we help maintain optimal motor performance and longevity in heavy-duty operations.
Servo and Brushless DC Motors
Servo and brushless DC motors are critical in automation and precision control systems. Electromagnets are used in these motors to regulate movement and torque. .Our repair services for these motors focus on restoring precise feedback and control to keep your automated systems running smoothly through maintaining electromagnetic efficiency.
Dry Type Transformers
Our team is skilled in repairing dry-type transformers, which are essential for distributing electrical power safely and efficiently. We focus on thorough inspections and repairs to reduce the risk of failure and ensure long-term reliability.
U.L. Certified Explosion-Proof Repair
For environments requiring explosion-proof equipment, Dietz Electric is U.L. certified to handle explosion-proof motor repairs. We follow stringent safety and compliance guidelines to ensure that your equipment meets all necessary safety standards while maintaining performance.
Mechanical Motor Repair Services By Dietz Electric
Vertical Pump Electric Motor Repair
Our mechanical repair services include comprehensive diagnosis and troubleshooting of vertical pump motors. Whether it’s performance failure or mechanical wear, we use advanced imaging techniques and failure analysis to restore these critical motors. Our team ensures efficient and reliable operation to minimize downtime.
Mechanical Variable Speed Drives
Dietz Electric specializes in the repair and restoration of mechanical variable speed drives. These components are essential for precise speed control, and we carry out detailed inspections and repairs to optimize performance. From wiring adjustments to mechanical repairs, we ensure your drives are operating at peak efficiency.
Gear Reducers
Gear reducers are vital in reducing motor speed while maintaining torque. We perform expert failure analysis and repairs on gear reducers, ensuring their internal components function smoothly. If needed, we apply dynamic balancing techniques to improve performance and longevity.
Pumps – Centrifugal & Submersible
Our skilled technicians offer extensive repair services for both centrifugal and submersible pumps, providing a thorough diagnosis to pinpoint issues. We address mechanical failures, from impeller wear to wiring and sealing problems, ensuring that pumps operate reliably in demanding conditions.
Inspection and Repair of Fans & Blowers
For fans and blowers, Dietz Electric offers mechanical repairs that focus on maintaining airflow and efficiency. We handle everything from fan blade balancing to motor alignment. Troubleshooting for airflow issues and diagnosing mechanical faults helps prevent system failures.
Dynamic Balancing
Dynamic balancing is an essential part of our mechanical repair capabilities. Whether it’s fan rotors or pump impellers, we use state-of-the-art equipment to perform balancing in our laboratory. This process ensures that rotating equipment operates without vibration, reducing wear and extending the life of your machinery.
Pyro-Cleaning
Our pyro-cleaning service removes contaminants and buildup from mechanical parts, including fans, blowers, and motors. This high-temperature cleaning process effectively removes grease and glycerin residue, restoring parts to their original condition and improving efficiency.
Machine Shop Services For Motor Repair
Turning, Milling, & Grinding
Our machine shop offers precise turning, milling, and grinding services, crucial for motor repair and the fabrication of custom components. Using advanced CNC equipment, we perform detailed diagnosis and failure analysis to ensure every part meets exact specifications. Whether you need shafts, rotors, or other motor components refurbished, our processes restore them to optimal working condition.
Metalizing
Dietz Electric provides expert metalizing services, which involve the application of a metal coating to worn motor parts to extend their lifespan. This process is particularly useful in rebuilding surfaces that experience heavy wear. We employ this technique in combination with detailed failure analysis and troubleshooting to ensure the coated parts maintain their durability and performance.
Selective Plating
For specific motor components that require precise restoration, we offer selective plating services. This targeted metal plating technique allows us to restore key areas without disassembling the entire motor. Our skilled technicians carefully apply this method in our laboratory setting, ensuring a high-quality finish that enhances conductivity and corrosion resistance.
MIG & TIG Welding
Our machine shop also provides MIG and TIG welding services, essential for repairing or fabricating motor components such as casings, frames, and special parts. Whether the issue is related to a cracked housing or a broken flange, we employ advanced welding techniques to deliver durable repairs that withstand high stress and prevent future breakdowns.
Comprehensive Motor Testing and Diagnostics
Vibration Inspection, Testing and Analysis – Predictive Maintenance
Vibration testing and analysis are crucial for diagnosing mechanical issues in motors before they lead to failure. At Dietz Electric, we use advanced vibration inspection and analysis equipment to identify imbalances, misalignments, and bearing issues. This testing method allows us to provide detailed troubleshooting and failure analysis, helping prevent costly breakdowns and extending the lifespan of your motor.
Dynamometer Testing – Fractional to 100HP Electric Motor Power
Our dynamometer testing services cover motors ranging from fractional horsepower to 100HP, allowing us to measure torque, speed, and overall motor efficiency. This test provides a detailed image of your motor’s performance under load, helping to identify potential issues early on. Our testing ensures that your motor is operating at optimal levels before it is returned to service.
DC Hypotential Testing
Dietz Electric’s DC hipot testing is designed to verify the insulation integrity of motors and generators. This non-destructive test applies a high voltage to the insulation system to detect potential weak points or breakdowns. Identifying these issues early allows for proactive maintenance and failure prevention. Hipot testing is a critical procedure to ensure the electrical safety and reliability of your equipment, reducing the risk of unexpected downtime.
Surge Comparison Testing
Surge comparison testing is essential for detecting winding faults, short circuits, and insulation breakdowns in motor coils. This test compares the response of each coil, identifying any discrepancies in flux and other variables that indicate potential failures. Our technicians use this method for both diagnostic purposes and to confirm the quality of motor rewinding or repairs.
Megger Testing to 5000V
Megger testing is a key method for assessing insulation resistance in motor windings, and we offer testing up to 5000V. This high-voltage test checks for deterioration in insulation, ensuring that motors can operate safely and efficiently. Regular megger testing helps us identify early signs of insulation breakdown, allowing for preventative maintenance.
Core Loss Testing
Core loss testing allows us to measure the efficiency of a motor’s magnetic core. High core losses can lead to excessive heating and reduced motor efficiency. By conducting detailed core loss analysis, we can diagnose hidden electrical issues and perform necessary repairs to improve the motor’s performance and reliability.
Advanced Electronic Repair for Motor Controls
AC and DC Variable Speed Drives
At Dietz Electric, we specialize in the repair of AC and DC variable speed drives, which are essential for regulating motor speed and ensuring smooth operation in industrial processes. Our team is equipped to handle a variety of drive models, addressing issues such as faulty controls, power surges, and damaged components. We restore your drives to peak performance, helping you avoid costly operational downtime.
Servo Drives
Servo drives are crucial for maintaining precise control in automated machinery and robotics systems. We offer expert repair services to ensure these drives operate with the accuracy and efficiency your systems demand. From electrical faults to communication errors, we identify and fix issues that could impact the performance of your automated equipment.
Programmable Controllers
Programmable controllers are key to managing complex industrial processes, and when they malfunction, it can halt production. Dietz Electric provides comprehensive repairs for these controllers, ensuring that your systems are back up and running quickly. We service a variety of brands and models, ensuring compatibility and functionality across diverse industrial setups.
Temperature Controllers
Proper temperature regulation is critical in preventing overheating and maintaining the performance of motors and electronic equipment. Our repair services for temperature controllers ensure that these devices accurately monitor and control system temperatures, reducing the risk of equipment failure and extending the lifespan of your systems.
