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ACO’s Guide to Prolonging the Life of Your Servo Motors: Maintenance and Repair Tips

October 30, 2023

Servo motors are the linchpin of numerous automated systems, seamlessly driving the machinery that powers our modern world. However, like any mechanical device, they're susceptible to wear and tear over time. The good news is, with regular maintenance and timely repairs, you can significantly extend the life and efficiency of your servo motors.

Monthly Servo Motor Preventative Maintenance Checks

Temperature Monitoring

Overheating is a common nemesis of servo motors. Excessive heat can degrade the motor's internal components, leading to a gradual decline in performance and, eventually, total failure. By keeping a close eye on the motor's temperature, you can detect and address overheating issues before they escalate into major problems.

Here are some effective ways to monitor temperature:


Regular lubrication is crucial to ensure the smooth operation of your servo motors. It minimizes friction, reduces wear, and extends the motor's lifespan. Here's how you can maintain proper lubrication:

Electrical Connections

Maintaining secure and clean electrical connections is paramount for the efficient operation of your servo motors.

Mechanical Maintenance

Proper Mounting

The mounting position of a servo motor is crucial for its performance and longevity. A poorly mounted motor can suffer from misalignments, vibrations, and other mechanical stresses that can significantly shorten its lifespan.

Here's how to ensure proper mounting:

Alignment and Balance

Misalignment and imbalance can cause undue stress on the motor's bearings and other components, leading to premature failure.

Stages of Repair Services

Stage 1 – Inspection and testing: Consulting with customers to understand the fault, followed by testing to duplicate the fault. This stage is critical as it sets the foundation for the subsequent repair process. Utilizing advanced diagnostic tools, technicians can accurately identify the root cause of the problem.

Stage 2 – Disassembly and Diagnosis: Full disassembly and testing of all components including feedbacks, field winding, and rotor shafts among others. This in-depth examination allows for a thorough understanding of the motor's condition and the extent of damage or wear.

Stage 3 – Quotation: Providing a detailed quote for the necessary repairs which can include cleaning, decontamination, servo motor rewind, or shaft replacement depending on the condition of the servo motor. Transparency in costing helps build trust with customers and ensures there are no surprise costs later on.

Stage 4 – Repair & Testing: Rebuilding the motor back to OEM specifications, calibrating all feedback devices, and conducting a minimum 3-hour load test to eliminate any intermittent issues. This rigorous testing ensures that the repaired motor will operate reliably under real-world conditions.

Servo Warranty on Repairs

ACO stands behind the quality of their repair services with a 1-Year Warranty, offering peace of mind to customers. Despite the status of the manufacturer’s warranty, all repairs conducted by ACO are meticulously tested and undergo rigorous quality assurance before shipping. In the event of any issues post-repair, customers are encouraged to reach out to ACO’s dedicated customer service team for a swift resolution.

In-house vs. Professional Repair Services

When to Seek Professional Help

When your servo motors experience issues that go beyond basic troubleshooting or when specialized equipment is needed, it's time to seek professional help. Having a trusted repair partner like ACO Servo Motor Repair Services can ensure that complex repairs are handled accurately and efficiently.

Investing in Training and Equipment

Equipping Your Team

To handle minor issues in-house, invest in training your staff on basic maintenance and troubleshooting techniques. Additionally, equipping your facility with necessary tools and diagnostic equipment can facilitate timely interventions and prolong the life of your servo motors.


This guide underscores the importance of regular maintenance, timely repairs, and having a reliable professional service partner. Establishing a regular maintenance schedule and building a strong relationship with a trusted repair service provider like ACO Servo Motor Repair Services can significantly contribute to extending the operational lifespan of your servo motors, ensuring they continue powering your automated systems effectively for years to come.