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Toshiba VK Series Instructions Manual page 37

Vacuum circuit breakers 5-15kv
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Table 4
.
Check Points for
Inspection
( cont
.
)
"
0
0
)
< o
Remarks
Check Method
Criteria
What
to
do
Check Point
Check Item
No .
CD
w
Secure and
protect
wiring as
necessary .
Visual
check
.
There
should be no covers
pinching wiring or wiring
against sharp or abrasive
surfaces
.
1
Entire
Circuit
Breaker
/
Switchgear
All wiring
ro
Table 2
,
Table 3
{
Pg
. 26
)
Grounding
connection
Visual check
,
check
tightness
with tools
.
All grounding connections
should be
properly made
and tight
.
Tighten
as
necessary
Covers
,
guards
,
and
barriers
Visual
check
.
All
covers
,
guards
,
and
barriers
must
be securely in
place
.
All unused openings
must
be covered
.
Replace or repair as
needed
Visual check
.
Safety signs
,
labels
,
nameplates
,
etc
.
should
not
be covered or obscured by
paint
.
They
must
be
securely
affixed
.
Repair or replace
as
needed
Safety Signs
2
Operating
Mechanism
and Safety
Devices
Visual
check .
There should be
no
dust
and
foreign
matter
.
Remove
foreign
matter by
wiping
clean
Dust and
foreign
matter
Smooth
operation
Operation
should be
smooth
.
Manual
operation
.
Determine cause of
mis
-
ope ration
.
Lubrication
of
bearing pins
Check
by feel
and sight
.
Apply
a small
amount
of machine
3
oil
.
Closing and
tripping shaft
Visual check
.
Must rotate smoothly
.
>
m
2
>
O
m

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