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4
Safety
01.4IB.26264A
FlexGear
™
Low Voltage Arc Resistant Switchgear
c. G
enerAl
1. Only qualified personnel trained in
the usage, installation, operation, and
maintenance of the circuit breaker shall
be allowed to work on this equipment. It
is mandatory that this instruction bulletin,
the applicable circuit breaker manual, any
supplements, and service advisories be
studied, understood, and followed.
2. Maintenance programs must be consistent
with both customer experience and
manufacturer’s recommendations,
including service advisories and instruction
bulletin(s). A well planned and executed
routine maintenance program is essential
for the equipment’s reliability and safety.
3. Service conditions and circuit breaker
applications shall also be considered in the
development of safety programs. Variables
include ambient temperature; humidity;
actual continuous current; thermal cycling;
number of operations; interrupting duty;
and any adverse local conditions including
excessive dust, ash, corrosive atmosphere,
vermin and insect infestations.
d. S
pecIfIc
1.
DO NOT WORK ON ENERGIZED
SWITCHGEAR.
If work must be performed
on the switchgear, remove it from service
and place it in an electrically safe condition.
2.
DO NOT WORK ON THE SWITCHGEAR
WITH THE CONTROL CIRCUIT ENERGIZED.
3.
EXTREME CARE MUST BE EXERCISED
TO KEEP ALL PERSONNEL, TOOLS, AND
OTHER OBJECTS CLEAR OF MECHANISMS
WHICH ARE TO BE OPERATED,
DISCHARGED, OR RELEASED.
These
circuit breakers utilize stored energy
mechanisms. These mechanisms must be
serviced only by skilled and knowledgeable
personnel capable of releasing each spring
load in a controlled manner. Detailed
information regarding these mechanisms
is found in the appropriate circuit breaker
instruction bulletin.
4.
DO NOT ATTEMPT TO CLOSE THE CIRCUIT
BREAKER MANUALLY ON AN ENERGIZED
CIRCUIT.
5.
DO NOT USE AN OPEN CIRCUIT BREAKER
AS THE SOLE MEANS OF ISOLATING A
HIGH VOLTAGE CIRCUIT.
For complete
isolation, the circuit breaker shall be in
the disconnected position or shall be
withdrawn completely.
6.
ALL COMPONENTS SHALL BE
DISCONNECTED BY MEANS OF A VISIBLE
BREAK AND SECURELY GROUNDED FOR
SAFETY OF PERSONNEL PERFORMING
MAINTENANCE OPERATIONS ON THE
SWITCHGEAR.
