7
|
Start
‐
up
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0025
‐
0100G_
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0006_IM_en
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46
Fig.
8:
Topping
up
oil
7.1.2
Display
and
control
elements
at
the
switching
and
control
cab
‐
inet
Fig.
9:
Switch
and
control
cabinet
Pushbutton
with
indicator
lamp
(101S1)
Pushbutton
for
switching
the
vacuum
system
on
and
off
Indicator
lamp
lights
up
during
operation
Indicator
lamp
of
the
collective
failure
(101H1)
Indicator
lamp
lights
up
red
when
there
is
an
error
Operating
hours
counter
(101T1)
Displays
the
operating
hours
Main
switch
(100Q1)
Switch
for
switching
the
supply
voltage
on
and
off
7.1.3
Indicators
and
control
elements
on
the
vacuum
system
The
indicating
devices
are
as
follows:
Contact
vacuum
gauge
(CPG,
fig.
1)
Indicates
the
pressure
in
the
vacuum
vessel.
The
switch
‐
on
and
switch
‐
off
value
(pressure
range)
is
set
on
the
contact
vacuum
gauge.
Venting
valve
(VV,
fig.
1)
The
vacuum
system
is
vented
to
atmospheric
pressure
via
this
valve
for
maintenance
work.
Oil
sight
glass
(OSG,
fig.
2)
at
the
vacuum
pump
