Teco Installation and Maintenance Manual
TEFC Squirrel Cage Induction Motors
Teco Electric and Machinery Company
Manual Number: IOM ~ TEFC Rev.01
6.4.3. Items to be examined prior to initial operation.
a. Cleaning:
Outside of motor.
Motor interior.
b. Measurement of insulation resistance:
Measurement of insulation resistance and standards to determine quality if
Insulation resistance, please refer to measures stated in Section 4.1.2.
Measurement of insulation resistance.
6.4.4. Drying: If the motor has absorbed moisture, it must be dried.
6.4.5. Examination of bearings.
Turn the motor shaft by hand (if practical) to see if it rotates smoothly and
if there is any unusual noise.
6.4.6. Replenishment of grease. (Refer to bearing maintenance Section 7).
6.4.7. Switches and starters.
Clean off dust and any foreign matter etc.
Check if the operation is normal.
Are the moving parts functioning smoothly?
Check if all bolts and nuts are tight and in good order.
6.4.8. Examination and maintenance of standby motor.
Important: The purpose of a standby motor is to substitute as an
emergency motor if the motor in operation breaks down, this motor should
not be exposed to induced vibration whilst stationery.
It is important to always maintain the standby motor in top condition.
Maintenance should be performed strictly according to items and notes
stated previously.
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