164 Operating instruction SCK Gas Sampling System OI/SCK-EN Rev. E
Checking the duct opening:
Preferably check and clean the duct opening when the rotary kiln is out of
operation. If you clean the duct opening when the rotary kiln is in operation.
Wear a face mask against heat, heat-proof gloves and protective weld-
er's clothing and respiratory protection against toxic gases.
Keep the time in which the feedthrough opening is open as short as
possible.
Checking and cleaning the cooling module:
Do not perform work on the cooling water circuit until the gas sampling
system has cooled down.
Avoid contact with the cooling water and the anti-freeze.
Wash any cooling water and anti-freeze off the skin immediately with
water and soap.
If cooling water or anti-freeze gets in the eyes despite protective glass-
es, rinse them thoroughly under running water, holding the eyelids open.
Observe instructions in the anti-freeze manufacturer's safety data sheet.
Explanation of safety measures:
Safety regulations for maintenance work on
page 158.
The following conditions must be met:
The service switch is in the
ON
position, the gas sampling probe is com-
pletely retracted from the kiln (see
Operating the service switch
on page
161).
The service switch is secured against unauthorized actuation.
The gas sampling system has cooled down.
The EMERGENCY STOP switch is pressed.
Perform the following steps for the control cabinet:
Check general condition of control cabinet with regard to the
following:
general damage
missing or loose covers
visible damage to connection cables
Check control cabinet for dripping water or other liquids.
In the event of excessive soiling of the surface of the control
cabinet, clean with a soft brush or compressed-air.
Clean touchscreen, particularly edge areas, with compressed-
air and/or moist cloth (if you use cleaning agents, you can
request a resistance table from ABB Service).
cleaning the control
cabinet:
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