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32
Installation
PowlVac 38™ ARM 3000A Series 4
Vacuum Circuit Breaker
01.4IB.65131
1) Prior to Inserting the Circuit Breaker into the
Circuit Breaker Compartment:
a. Check the Primary Disconnecting
Devices and Circuit Breaker
Compartment
Examine the primary disconnecting
devices for any signs of damage and
contamination. Check to see that
none are bent out of alignment. If
contamination is found refer to
Ch 5 Maintenance, B. Mechanism
for cleaning and
lubrication procedures. If the primary
disconnecting devices are damaged
make no attempt to repair. Contact
Powell for further information.
Examine the circuit breaker
compartment to see that it is clean and
clear of debris that might interfere with
circuit breaker travel.
b. Racking the Circuit Breaker into the
Circuit Breaker Compartment
The described racking procedures
apply only for the PowlVac® ARM circuit
breaker. For all other constructions,
refer to the appropriate instructions or
instruction bulletin(s) for the applicable
racking procedures.
The circuit breaker is designed to be
electrically racked into the circuit
breaker compartment from a remote
location with the compartment door
closed. The ARM circuit breaker may
also be manually racked using the
emergency override option with the
compartment door open.
Before inserting a circuit breaker into
the circuit breaker compartment, be
sure that the indicator flag on the front
cover of the circuit breaker displays
“BREAKER TEST/DISCONNECTED”.
!
CAUTION
Before attempting to rack a circuit breaker
in or out of a circuit breaker compartment
equipped with a key interlock, make sure
that the interlock is unlocked and in the open
position.
!
CAUTION
The illustrations shown for all racking
procedures are provided to show device
locations and are intended only as a guideline.
These illustrations may not be representative
of site specific safety practices for performing
the procedure. Before attempting any racking
procedure, review
NOTICE
