Toshiba VK-6M32A Installation Operation & Maintenance page 32

Mav
31. 2012
9:2OAM
No. 1530
P.
33
Page
30
MAINTENANCE
INSPFCTIONANDMAINTST{AilCE INTERVALS
Tho
frsqu€ncy
and detail
ot
the
required
lnspefilons
will
vary
depending
on
th6
anvironment of service and type ot inspection
to
be
performed. Ueing Fig. 44 select between
the
charts oJ op€rating years and
operating
cycles which
will
reQuire
thd
most fr€quant
inspections and maintenance.
ln addhion, when applying circuit b.eakers in
severe almospheric
sites such as
outdoor
companftents
,
dusty
gnvironm€nts
,
high
temperaturss
and/or
high
humidity
the
inspection and nrairtanenc6 frequency should
ba. at a minimum,
twice as oft€n.
lf th€
1
2th year overhaul is not cetriBd out, ths
Detsil
lnspBction
should be applied
in
the
cyeleE
of ths
Psriodical lnspaction (every
3
years),
Should
the circuit
breeker ba subiEcted
to
a
sev€re condition
such
as
drop,
collision,
earthquek6
or
fire
contacr Toshiba lnternational
corporation for s compi6ts inspection.
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I
Frio.Hl
ItlHr
gerdot!
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i
PllEsnrEtsdl Clrd(
Vlllnll
Pdiddiod
I
0
1000
4000
0000
4@
5000
5000
7000
d0d0
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Fic.
,*4
lnepection Frequensy
Schedule5
fffir@t
ablpdudE'ign
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8.
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Fig.rlS
lnepection and Maintenance Tree