Mandatory:
Isolate
the
breakel'.
The. position
indicctor
of th-e closing
spring
shows "discharged".
Earth
both
sides
of
the
breaker
as
specified
in
the
relevant
standards.
Disconnect
supply
clnd motor voltage.
(For the
works described
in
the
chapters
3.2,
:1.3,3.4
the
voltages
are
still
necessary).
Mind the
relevant
:;afety
regulations.
When opening
a po' e column,
pump the
SF6 gas
in a service
unit
and evacuate
the
cl)lumns.
Then ventilate
the
pole
columns.
When opening
a pole
cl)lumn.
proceed
as follows:
Wear rubber
gloves,
protective
clothing,
gas mask and breathing
eouip'11ent during
(I!)ening and cleaning.
Remove decompos it i on products
immedi ate ly after
havi ng opened the
breaker
(pole)
or
Iny subassembly.
Wipe off
decompos~tion
products
with
a piece
of cloth
or use
a
vacuum cleaner.
Do not
agitate
declmposition
products
unnecessarily.
Neutral'ize
deposits
(arc
products),
adsorption
filter
and used -
cloth
with
a 3 %;oda
solution
for
24 hours,
or dispose
of
as
harmful
substance~:,.
Summary of Contents for SF6
Page 21: ...Fig 83 Exploded view of tle spring operating mechanism ...
Page 31: ...SF 1377 0 SF 1377 d SF 1377 0 SF 1377 0 SF 1377 _ 0 SF 1377 d SF 1377 0 SF 1377 0 ...
Page 32: ...SF 1377 c rUlUb m m I SF 1377 c J i SF 1377 SF 137 b 0 SF 1377 SF 1377 0 b ...
Page 33: ...BeruLub FK 33 Fig B8 Points of lubrication at the interrupter unit and at thE arcing contacts ...
Page 34: ...SF 1377 bl SF 1377 bl SF 1377 II 1 _ _ _ __ L i SF 1377 bl SF 1377 cl SF 1377 bl SF 1377 bl ...
Page 35: ...1 CLtl _ l1oLykote BR2 pLus l 0 ...
Page 38: ...2 7 17 2 7 18 2 7 16 2 7 02 2 7 18 2 7 03 2 7 01 2 7 06 2 7 11 2 7 07 2 7 22 ...
