Electric Motor Overhaul Checklist

This saves time and money.

Electric motor overhaul checklist.

Carry out electrical mechanical check tests to verify motor condition any reported faults where possible. Some sections may explain explicitly between the three configurations but have different requirements for each. 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 well planned electric motor preventive maintenance programme is the key to dependable long life operation of electric motors.

This was the case with electrical repair service co inc. Electric motor test repair guide. 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. Almost all electrical equipment requires planned inspection and maintenance being carrying out.

Many sections are mainly applicable to the lv mv induction motor equipment and many others are applicable to either synchronous or dc motors. A standard electric motor overhaul includes an initial equipment inspection and diagnosis bearing replacement a test run and report. 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. A sample overhaul work scope includes inspect and record all relevant data from the nameplate.

Electric motor repair shops with an ongoing commitment to high quality standards are the ones most likely to earn certification. This checklist incorporates all range of motors equipment. This article describes a c electrical motor troubleshooting. Preventive electric motor maintenance.

The 90 year old company has a customer base consisting mainly of pulp and paper producers mining operations and cement and aggregate plants. The measurements shall be carried out with an instrument conforming to iso 2954 10 1000 hz frequency range. A further plus point. This ensures electrical equipment is kept in good working condition at all times.

One of the most common causes of electric motor failures is bearing failure. Typical bearing problems include insufficient lubrication worn bearings hot motor excessive loading harsh external environments or replacement with the wrong bearing type. The checklist should also cover inspection of bearings. For bearings fitted with proximity probes the unfiltered peak to peak value of vibration including shaft run out at any load between no load.