Motor Diagnostics (3)

3. COUPLING (Direct & Belted)

The coupling between the motor and load also has faults due to wear and application:
•Direct drive misalignment
•Insert wear

The most accurate system for fault detection is vibration analysis then motor current signature analysis then infrared analysis.
4. LOAD (Fans, Pumps, Compressors, Gearboxes, Etc.)

The primary load faults are worn parts such as the seal, bearings and impellor.

Test instruments capable of testing load problems include:
•MCSA
•Vibration
•Infrared Analysis, and
•Ultrasonics
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