Key facts
- Brand
- TECO-Westinghouse
- Model
- 143T - 449T
- Category
- Motor
- Documents
- 2
- Languages
- EN
- Last added
- 2026-09-29
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TECO-Westinghouse 143T-449T 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.
Read onlineTECO-Westinghouse 143T - 449T specifications
| Voltage tolerance | ±10% of nameplate voltage; frequency ±5% (combined variation ≤±10%) |
|---|---|
| Maximum belt speed | 5000 ft/min |
| 260‑V motor on 208‑V system | Allowed with slightly modified performance |
| Lubrication interval for frames 143T‑256T | No re‑lubrication required (except MAX‑E1/E2) |
Source: TECO-Westinghouse Frames 56 & 143T-449TZ Induction Motor Service Manual
All TECO-Westinghouse 143T - 449T documents by type
Disassembly, diagnostics and part numbers, for repair.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
Can a 230‑V motor be operated on a 208‑V network?
Yes, a 230‑V motor can be used on a 208‑V system, but its performance characteristics will be slightly modified as indicated on the nameplate.
From: TECO-Westinghouse Frames 56 & 143T-449TZ Induction Motor Service Manual
How often should bearings be lubricated on frames 143T‑256T?
These frames use double‑shielded, pre‑lubricated ball‑bearing motors that do not require re‑lubrication, except for MAX‑E1 and MAX‑E2 models which have re‑greasable features.
From: TECO-Westinghouse Frames 56 & 143T-449TZ Induction Motor Service Manual
What grease is recommended for lubrication?
Use ExxonMobil Polyrex EM grease or equivalent polyurea based grease unless special grease is specified on the nameplate.
From: TECO-Westinghouse 143T-449T Three-Phase Induction Motor Installation and Maintenance Manual
How do I change the motor rotation?
Interchange any two leads of a three-phase motor after the motor has stopped completely.
From: TECO-Westinghouse 143T-449T Three-Phase Induction Motor Installation and Maintenance Manual