WEG Electric Motor Installation, Operation & Maintenance Manual


This multilingual manual from WEG is a definitive guide covering the complete lifecycle of electric motors—from installation and alignment to operation, safety, and long-term maintenance. Designed for professionals working with IEC and NEMA frame motors in various industrial applications, this document ensures safe and optimal motor usage across Portuguese, English, and Spanish-speaking regions.

Key Points

  • Covers WEG low and high voltage motors with IEC 56–630 and NEMA 42–9606/10 frames.
  • Detailed procedures for motor storage, including oil mist, greased, and sliding bearing configurations.
  • Electrical connection diagrams for various startup types (e.g., Y-?, Part-Winding, Dual-Speed).
  • Covers specific WEG motor families like HGF, W50/W51 HD, W22, and others.
  • Includes installation guidance for direct coupling, flange mounting, belt drives, and ventilation duct setups.
  • Safety protocols for electrical insulation, vibration, and thermal protection.
  • Compliance with international standards: IEC 60034-1, NEMA MG 1, UL 1004-1, and CSA C22.2 No. 100.
  • Content presented in Portuguese, English, and Spanish for global usability.