Operation
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EN-US · 30.30.01.01963 · 00 · 05/19
9 Operation
9.1 General Preparations
WARNING
Extraction of hazardous media, liquids or bulk material
Personal injury or damage to property!
4
Do not extract harmful media such as dust, oil mists, vapors, aerosols etc.
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Do not extract aggressive gases or media such as acids, acid fumes, bases, biocides, dis-
infectants or detergents.
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Do not extract liquids or bulk materials, e.g. granulates.
Always carry out the following tasks before activating the system:
1. Before each use, check that the safety devices are in perfect condition.
2. Check the ejector for visible damage and deal with any problems immediately (or notify your super-
visor).
3. Ensure that only authorized personnel are present in the working area of the machine or system and
that no other personnel are put in danger by switching on the machine.
There must be no people in the system danger area while it is in operation.
9.2 Changing the Blow-Off Flow Rate on the Ejector
Do not overwind past the stop on the valve screw. The blow off flow rate can be adjusted
within the range between 0% and 100%.
Valve screw
+
-
The figure shows the position of the valve screw, which can be used to adjust the blow off flow rate. The
valve screw is equipped with a stop on both sides.
1. Turn the valve screw clockwise to reduce the flow rate.
2. Turn the valve screw counterclockwise to increase the flow rate.