Preventive Maintenance - WEG SSW-07 Manual Del Usuario

Chapter 6 - SOLUtION aND trOUBLeShOOtING
6.3 PREVENTIVE
MAINTENANCE
Component
Terminals, Connectors
Fans / Ventilation Systems
Power Module / Power
Connections
(1) Every six months.
(2) Twice a month.
48
WARNING!
Always disconnect the general power supply before touching any
electric component associated to the Soft-Starter SSW-07.
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.
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.
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
table 6.3 - Periodic inspections after putting into use
Corrective Action
Tightening
(1)
Cleaning
(1)
Substitute fan
Cleaning or substitution
(2)
(1)
Tightening
(1)