ABB SCK - Page 70

70 Operating instruction SCK Gas Sampling System OI/SCK-EN Rev. E
Danger Where / in what situa-
tion does the danger
arise?
Preventive action
Danger due to
current-carrying
parts
When working on elec-
tric components
 Only specialized electrical
personnel may work on
the electric system.
 Disconnect the gas sam-
pling system from the
power supply before
opening the connection
and terminal box.
 Observe national regula-
tions pertaining to elec-
trical equipment.
 The main terminals -X30,
-X40 and the input termi-
nals of the main switches
-Q30, -Q40 are live even
when the main switches
are off.
 All metallic parts in the
environment that can be
touched at the same time
as the machine must also
be grounded together.
 Check pre-protection
according to the docu-
mentation.
Risk of burning due
to hot surfaces, hot
gases, jet flames
At the duct opening
when installing the
probe in the rotary kiln
 Preferably install the
probe when the rotary
kiln is out of operation.
If you install the probe when
the rotary kiln is in opera-
tion:
 Wear a face mask against
heat, heat-proof gloves
and protective welder's
clothing and respiratory
protection against toxic
gases.
 Keep the time in which
the duct opening is open
as short as possible.