Motor Maintenance

Motor life can be extended by performing motor maintenance at ____________.

• apart and different dates

• Regular intervals

• no need for maintenance

• None of the above

The frequency of service required varies depending on _____ ,

_____, _____ and of each motor.

• the environment

• importance

• availability

• All of the above

One of the most common causes of motor Failure is

• Moisture

• air

• normal temperature

The FIRST step in motor maintenance is

• Feel for heat and vibration

• feel for air passage

• listen to abnormal noises

• none of the above

Loose mounting bolts will cause

• harmonics

• irregular voltage

• Heat

• Vibration

what is accumulated on the motor in this picture

• Dirt

• Moisture

• Loose bolts

Some motors employ protective relay to display

• Current

• Voltage

• Trmperature

• All of the above

Point of air entry is called

• intake

• exhaust

• air passage

• cooling system

A larger motors could be opened up for examining the _______.

• External parts

• Internal parts

• All parts

What is this called?

• Circuit diagram

• Motor Nameplate

• Datasheet