Electric Motor Overhaul Checklist

Many sections are mainly applicable to the lv mv induction motor equipment and many others are applicable to either synchronous or dc motors.

Electric motor overhaul checklist.

A standard electric motor overhaul includes an initial equipment inspection and diagnosis bearing replacement a test run and report. Almost all electrical equipment requires planned inspection and maintenance being carrying out. Electric motor test repair guide. This article describes a c electrical motor troubleshooting.

Typical bearing problems include insufficient lubrication worn bearings hot motor excessive loading harsh external environments or replacement with the wrong bearing type. Some sections may explain explicitly between the three configurations but have different requirements for each. Carry out electrical mechanical check tests to verify motor condition any reported faults where possible. A further plus point.

This was the case with electrical repair service co inc. The 90 year old company has a customer base consisting mainly of pulp and paper producers mining operations and cement and aggregate plants. This checklist incorporates all range of motors equipment. One of the most common causes of electric motor failures is bearing failure.

With the motor at normal operating temperature the vibration velocity shall not exceed 2 8 mm s rms or 4 mm s peak in any direction. For bearings fitted with proximity probes the unfiltered peak to peak value of vibration including shaft run out at any load between no load. This ensures electrical equipment is kept in good working condition at all times. Low contact resistance high insulation resistance bearing lubrication proper air gap and overall dryness of the motor assembly.

Preventive electric motor maintenance. With extensive modern production facilities and a high vertical range of. A sample overhaul work scope includes inspect and record all relevant data from the nameplate. This saves time and money.

All work steps that are needed for the reconditioning or overhaul of an electric motor including disassembly cleaning drying balancing and so on are carried out in close proximity at our own motor factory in berlin. The measurements shall be carried out with an instrument conforming to iso 2954 10 1000 hz frequency range. Electric motor repair shops with an ongoing commitment to high quality standards are the ones most likely to earn certification. Maintenance procedure to overhaul electrical motors the main aim for the maintenance of electrical motor is to ensure.