Powell PowlVac IB-60201, Руководство пользователя

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37 Installation
IB-60201
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ptIon
1) Removing the Circuit Breaker from the
Connected to the Test/Disconnected
Position
2) Removing the Circuit Breaker from the
Test/Disconnected Position out of the
Circuit Breaker Compartment
3) Power Racking
Prior to removing the circuit breaker from the
circuit breaker compartment, make sure that
the control circuits are deenergized.
CAUTION CAUTION
!
Prior to removing the circuit breaker from the
circuit breaker compartment, make sure the
circuit breaker is in the open position and all
springs are discharged.
CAUTION CAUTION
!
1) Removing the Circuit Breaker from the
Connected to the Test/Disconnected Position
a. Verify that the circuit breaker
open/closed indicator displays
“BREAKER OPEN” . If “ CLOSED ”,
close door and open breaker from a
remote location or alternately by using
the circuit breaker control switch on
compartment door. Open door and
verify that the circuit breaker
open/closed indicator displays
“ BREAKER OPEN ”.
b. With the compartment door open, press
and hold the manual trip operator and
simultaneously open the racking drive
shaft shutter. Place the racking drive
shaft extension onto the racking drive
shaft. The racking drive shaft extension
socket may be used to push down the
shutter to gain access to the racking
drive shaft.
c. Release the manual trip operator. It will
remain actuated as long as the shutter
is held open by the racking drive shaft
extension socket.
d. Close the compartment door.
e. Rotate the levering access (teardrop)
flap on the compartment door 180° so
that the racking drive shaft extension is
visible.
f. Insert the racking handle onto the
racking drive shaft extension.
g. Turning the racking handle
counterclockwise will begin to rack the
circuit breaker out of the compartment.
Once the circuit breaker position
indicator (Figure 1, c) displays
“Test/Disconnected” the circuit breaker
is in the disconnect position. Look
through the viewing window of the
compartment door to view the circuit
breaker position indicator.
h. Remove the racking handle and open
the compartment door.
i. Remove the racking drive shaft
extension from the circuit breaker and
verify that the manual trip operator has
returned to its normal position.
Note:
This is the Test/Disconnected Position.
Courtesy of NationalSwitchgear.com