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Hoyer HMA3 112M-2 User Manual

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Electric Motors
Motor Manual
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Hoyer HMA3 112M-2 Specifications

General IconGeneral
BrandHoyer
ModelHMA3 112M-2
CategoryEngine
LanguageEnglish

Summary

Notice and Safety Information

Safety Instructions

Essential safety requirements for personnel, equipment, and handling.

Operation Safety

Covers shaft key fastening and general safe operation practices.

Lifting Procedures

Outlines safe lifting methods using eyebolts for motors size 100 and larger.

Transport Guidelines

Specifies how to secure motors for safe transport to prevent damage or injury.

Installation and Commissioning

General Installation and Commissioning

Procedures for motor installation, earthing, and initial checks.

Support and Alignment

Guidelines for mounting motors on sturdy supports and ensuring proper alignment.

Electrical Connection and Cabling

General Connection Guidelines

Covers supply variations, earthing, cable types, and EMC requirements.

Connection Diagram

Thermal Protection

Thermal Protection with Thermistors (PTC)

Details PTC thermistors for motor overheating protection and their connection.

Permissible Axial and Radial Bearing Loads

Permissible Axial Loads (Horizontal)

Permissible Axial Loads (Vertical)

Frequency Converter Operation

Bearing Deterioration with VFD

Addresses increased risk of bearing currents and factors influencing them.

Additional Solutions for Bearing Currents

Hoyer VFD Application Suggestions

Operation

General Operational Considerations

Emphasizes safety equipment, qualified personnel, and rated values for motor operation.

Pre-Start Checklist

Lists essential checks before powering on the motor for safe operation.

Motor Operation with a VFD

Operating Speed

Maintenance

General Maintenance Practices

Outlines routine inspection, cleaning, and checks for motor performance and longevity.

Bearings and Re-greasing

Covers bearing types, lubrication, re-greasing procedures, and intervals.

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