This is a three-phase induction motor installation and maintenance manual
This manual provides installation and maintenance instructions for TECO-Westinghouse three-phase induction motors with frames 143T through 449T. It covers receiving inspections, safety precautions, location requirements, and mounting procedures including alignment and torque specifications.
| Frame Sizes | 143T - 449T |
|---|---|
| Voltage Tolerance | -10% of nameplate voltage |
| Frequency Tolerance | -5% of nameplate frequency |
| Recommended Grease | ExxonMobil Polyrex EM grease |
| Lubrication Interval (Standard) | 7 years for 1-30 Hp, 1800 rpm |
Use ExxonMobil Polyrex EM grease or equivalent polyurea based grease unless special grease is specified on the nameplate.
Interchange any two leads of a three-phase motor after the motor has stopped completely.
Check the insulation resistance if the motor has been in storage for an extensive period or subjected to adverse moisture conditions.