198 Operating instruction SCK Gas Sampling System OI/SCK-EN Rev. E
Probe retractor: Checking and tightening the drive chain
Maintain adequate drive chain tension so as to prevent damage to the retrac-
tor.
weekly or as required
Always take the following safety measures when performing this work:
Wear the general protective equipment.
Turn the service switch to
ON
and secure the service switch against un-
authorized 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.
Do not perform the work until the gas sampling system has cooled
down.
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 retract-
ed from the kiln (see
Operating the service switch
on page 161).
The EMERGENCY STOP switch is pressed.
Meaning
measures
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