24 Month (Two Year) Inspection; Renewal Parts - ABB AMVAC Manual

5 24 Month (Two Year)
Inspection
In addition to the annual inspection, perform
the following recommended inspection and
maintenance at 24 month (two year)
intervals, or sooner, if required by local
conditions or regulations.
DANGER
Turn off power
switchgear before performing any
inspection or maintenance operations.
Check incoming line terminals to
verify that the equipment is de-
energized and grounded. Check out-
going terminals to ensure that no
back-feed condition exists.
1. Clean the circuit breaker stationary
primary contacts.
Breaker Installation
Maintenance Manual 1VAL050502-MB
for detailed instructions.
2. Inspect secondary wiring bundles for
signs of discoloration because of heat or
chafing. Check for cracked or embrittled
insulation. Replace wire whenever
unsure.
3. Inspect primary insulation system for
accumulated contamination.
insulation with a dry cloth, dry-air,
vacuum, or if necessary with an OSHA
approved solvent.
4. Check the calibration of protective
relays.
5. Follow the recommendations of any
individual device instructions furnished
for maintenance of the device.
Courtesy of NationalSwitchgear.com
ahead of the
Refer to Circuit
Operation and
Clean
6. Contact ABB Service if any abnormality
is experienced.
6

Renewal Parts

Order factory original replacement parts
from ABB Inc., Lake Mary, Florida 32746.
Specify quantity, part numbers, description,
and nameplate data of the device requiring
the replacement parts.
For replacement parts, call toll free: 1-
800-929-SWGR.
Outside of USA call: 1-407-732-2000
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