Electric Motor Overhaul Checklist

Preventive electric motor maintenance.

Electric motor overhaul checklist.

A standard electric motor overhaul includes an initial equipment inspection and diagnosis bearing replacement a test run and report. Carry out electrical mechanical check tests to verify motor condition any reported faults where possible. This saves time and money. 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.

A further plus point. This ensures electrical equipment is kept in good working condition at all times. Electric motor repair shops with an ongoing commitment to high quality standards are the ones most likely to earn certification. A sample overhaul work scope includes inspect and record all relevant data from the nameplate.

The checklist should also cover inspection of bearings. The measurements shall be carried out with an instrument conforming to iso 2954 10 1000 hz frequency range. Low contact resistance high insulation resistance bearing lubrication proper air gap and overall dryness of the motor assembly. 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. Some sections may explain explicitly between the three configurations but have different requirements for each. One of the most common causes of electric motor failures is bearing failure. A well planned electric motor preventive maintenance programme is the key to dependable long life operation of electric motors.

This article describes a c electrical motor troubleshooting. Here we provide an electric motor diagnostic table a troubleshooting guide that helps diagnose and repair most electric motor problems for motors found on hvac equipment in buildings such as air conditioners furnace or air handler blower fans oil burner motors well pumps and condensate return. Electric motor test repair guide. Many sections are mainly applicable to the lv mv induction motor equipment and many others are applicable to either synchronous or dc motors.

With extensive modern production facilities and a high vertical range of. This was the case with electrical repair service co inc. Almost all electrical equipment requires planned inspection and maintenance being carrying out. 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.