Type DK-15 and DK-25 Air Circuit Breaker
Preface
It would be difficult to over-emphasize the
importance of adequate care of all protective devices.
To assure proper functioning, they should be the sub
ject of periodical,systematic and intelligent inspec
tion.
Even the smallest details of required mainten
ance should not be neglected if
costly
failures
of
equipment and service are to be avoided.
Maintenance
must include occasional checks on calibration as well
as on the coordination and freedom of all moving parts.
The purpose of this Instruction Book on the
DK
circuit
breakers is to provide a guide for those charged with
these responsibilities. It is not possible to outline
a procedure that will apply in
all
cases.
The fre
quency
and character of inspection will for the most
part be
a matter of experience.
In general,
light
monthly inspection,
with a thorough inspection semi
annually,
should be a minimum.
1he
Company will be
glad to furnish such
additional
information
as may
be needed to
amplify or clarify these
instructions.
www
. ElectricalPartManuals
. com
Summary of Contents for DK-15
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