200 Operating instruction SCK Gas Sampling System OI/SCK-EN Rev. E
Probe retractor: Checking and, if necessary, adjusting the position of
the probe
Due to changes entailed by the process or the system it may be necessary to
change the position of the gas sampling probe. Note that the tip of the probe
should be max. 30 cm in the rotary kiln after start-up. The gas sampling probe
must not be inserted further than absolutely necessary into the rotary kiln in
order to minimize impacts on the unprotected area of the probe caused by
the process.
every six months or as required (kiln conversion work, process changes)
Always take the following safety measures when performing this work:
Wear the general protective equipment.
Before commencing adjustment work, turn the service switch to
ON
and
secure the service switch against unauthorized switching (with a pad-
lock).
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 adjustment work until the gas sampling system has
cooled down.
Explanation of safety measures:
Safety regulations for maintenance work on
page 158.
How to check probe position:
With the probe inserted, check the distance between the flange
and the pipe sealing device.
Target requirement: The flange must be touching.
If this target requirement is not met, adjust the probe by
means of the following actions:
Adjust the tube sealing device
change vertical position
change horizontal position.
Proceed as follows to realign the tube sealing device:
Step Procedure
Turn service switch to
ON
position.
WARNING! Gas sampling probe moves out of the kiln. Do not
stand in the area of travel of the gas sampling probe or probe
carriage until the probe is completely retracted and the warn-
measures
checking probe
position
Instructions:
adjusting the tube
sealing device
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