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5. Maintenance/Inspections
To prevent electric shock, turn off the power before starting
maintenance and inspections.
To prevent electric shock or other injury, check to make sure that
the unit status indicators read OFF and DISCHARGED before
beginning maintenance and inspection work.
To prevent electric shock, do not touch charged parts.
Keep fingers and other body parts, objects, etc. away from the unit
mechanism, as you may become caught in the mechanism and
injured.
To prevent electric shock or other injury, do not attempt to modify
the lock mechanism on the disconnecting switch mounted on the
unit power side.
Hazardous voltage can cause serious injury or death. Make sure
maintenance and inspection work is performed only by authorized
personnel.
The VCB should be maintained and inspected periodically to maintain performance and
ensure a long service life.
Operating and environmental conditions will usually dictate the
frequency of inspection required. NFPA Publication 70B "Electrical Equipment Maintenance"
may be used as a guide for setting up the maintenance program.
Contact with energized components can cause severe injury, death and
property damage. Turn off and lock-out primary and control circuit power
before servicing.
Improper maintenance can cause severe injury, death and property damage.
Only qualified and authorized persons are to install, operate or service this
equipment.
Grease is conductive. Do not allow grease or any other substances to
contaminate insulating materials. Contaminated insulators can allow a short
circuit or ground fault to occur.
MAINTENANCE RECORD
Keep a permanent record of all maintenance work. At a minimum, this record should include:
1) Items inspected
2) Reports of any testing
DANGER
WARNING
WARNING
WARNING