ABB SCK, Системное руководство

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176 System Manual SCK Gas Sampling System 42/23-81 EN Rev. 4
Gas sampling probe H: Replacing the intake filter
 once a year or as required
Always take the following safety measures when performing this work:
 Wear a face mask against heat, heat-proof gloves and protective welder's cloth-
ing.
 Turn the service switch to ON and secure the service switch against unauthor-
ized switching (with a padlock).
 Additionally press the EMERGENCY STOP switch.
 Do not enter the danger area around the retractor until it is at standstill and the
warning lamps and buzzer are off and the flap valve is closed.
 Lock the shutter when working on the plunger, unlock the shutter after replacing
the filter.
 Do not perform the work until the gas sampling system has cooled down.
Explanation of safety measures: Safety regulations for maintenance work on page
156.
 Wrench (SW32)
The following conditions must be met:
 The service switch is in the ON position; the gas sampling probe is retracted
from the kiln (see Operating the service switch on page 159).
 The EMERGENCY STOP switch is pressed.
For extensive work on the probe tip (e.g. when replacing the filter) it is advisable to
swing the probe out to the right so that you can access the tip area more easily.
Swing the probe tip back in after replacing the filter.
.
Maintenance interval
Safety
measures
Tools required
Requirements
Procedure