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32
Installation
PowlVac® DHP 15kV Replacement Circuit Breaker
01.4IB.50032C
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!
CAUTION
Prior to removing the circuit breaker from the
circuit breaker compartment, make sure that
the control circuits are deenergized.
!
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.
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 by using the
circuit breaker control switch on the
compartment door. Open door and
verify that the circuit breaker
open/closed indicator displays
“
BREAKER OPEN
”.
b. Insert the racking handle on the
racking operating shaft and turn it
counterclockwise until the racking crank
rotates freely.
Note:
This is the Test Position.
2) Removing the Circuit Breaker from the
Test/Disconnected Position out of the Circuit
Breaker Compartment
!
CAUTION
Prior to removing the circuit breaker from the
circuit breaker compartment, make sure that
the control circuits are deenergized.
!
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.
a. Roll the circuit breaker towards the front
of the cell until the rail latch engages
the notch in the guide rail.
b. Press down on the rail latch to release
the circuit breaker from the guide rail
and roll the circuit breaker completely
out of the compartment using the
handles on the front cover.