Modify Akd-8, Switchgear Compartment; 17- Cut Power To Akd-8: Switchgear; Rack Out Akd-8, Legacy/Existing Cb; 19- Check, Clean, Grease Akd-8, Compartment - ABB AKR30S-800A Installation And Maintenance Manual

Retrofill circuit breakers
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Modify AKD-8, Switchgear Compartment
17-
Cut Power to AKD-8: Switchgear
Danger
e
[It must be ensured that the supply power to the
oe
compartment is turned off/ compartment is de-
clea Sea
energized
for all the
incoming
and
outgoing
pts nr Pre
circuits
of the
LVS
prior to
any work
being
conducted on it.
e
During the installation and related work on the
tasks.
e
Ensure only qualified personnel install, operate, service, and maintain all electrical
equipment.
Before modifying the switchgear compartment, de-energize/switch off the breaker. If the
circuit breaker is ON and the springs are charged, to turn it off, press the OPEN button on
the circuit breaker fascia, and ensure that the circuit breaker contacts are open.
18-
Rack Out AKD-8, Legacy/Existing CB
To rack-out legacy (old or original) breaker from compartment, refer to your legacybreaker's
manual on how to remove the existing breaker.
19-
Check, Clean, Grease AKD-8, Compartment
Inspect the compartment for damage or signs of overheating.
Check the orientation of primary finger clusters match the switchgear stabs.
Check racking pin diameters agree with breaker racking cam slots.
Check the secondary disconnect integrity & their mounting supports for any damage or
cracks.
5.
|f switchgear parts show cracks or damage contact ABB post sales service 888-437-
3765.
6.
Check each breaker compartment for bolted joints in the primary disconnect bars.
Where such joints exist, check the bolts for tightness.
7.
Inside the compartment, check the contact areas on each primary disconnect bar or
cluster of fingers for foreign matter that may have accumulated. Clean those areas if
necessary with a clean, lint-free rag and isopropyl alcohol or acetone.
8.
Be sure to apply a thin film of electrical grease (red, DS50H387) to the contact areas for
better electrical connections inside the compartment.
2TSA451009P0000 Rev-B
©2020 Emax 2 Retrofill Circuit Breakers 800-5000A | 21

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