Preventive Maintenance - WEG SSW-07 Manual Del Usuario

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6.3 PREVENTIVE
MAINTENANCE
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WARNING!
Always disconnect the general power supply before touching any
electric component associated to the Soft-Starter SSW-07.
Periodic inspections of Soft-Starters SSW-07 and installations
are necessary to avoid operating problems due to unfavorable
environmental conditions like high temperature, moisture, dust,
vibrations or due to the aging of the components.
Component
Terminals, Connectors
Fans / Ventilation Systems
Power Module / Power
Connections
(1) Every six months.
(2) Twice a month.
table 6.3 - Periodic inspections after putting into use
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Chapter 6 - SOLUtION aND trOUBLeShOOtING
Do not apply any high voltage tests on
the Soft-Starter SSW-07!
If necessary, consult the manufacturer.
Do not use megometers to test thyristors.
Abnormality
Loose screws
Loose connectors
Dirty fans
Abnormal noise
Fan always off
Abnormal vibration
Dust in the air filters
Accumulated dust, oil, moisture, etc. Cleaning
Screws with loose connections
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Corrective Action
Tightening
(1)
Cleaning
(1)
Substitute fan
Cleaning or substitution
(2)
(1)
Tightening
(1)
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