ENGLISH
V4-007 J EN
Originalbetriebsanleitung
17
4
Inadmissible operating methods
Installation on uneven and / slanting foundations.
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Securing transport devices to the acoustic hood, e.g. using eye bolts in the accou-
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stic hood element, winding ropes without expansion braces etc.
Non-observance of operating data.
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Non-observance of maintenance intervals.
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Incorrect direction of rotation.
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Switching on
- during run-down.
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- during reverse rotation.
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Inadmissible increase in pressure.
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Remaining under or exceeding maximum rotational speed.
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Exceeding the maximum temperature.
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Pole change to lower rotational speed before motor has come to a standstill.
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Operating without a properly connected fault indicator / control is not permited.
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Risk of total machine damage!
Operation without assemblies or with damaged assemblies which serve for the
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protection of persons and machine.
Overfilling the maximum oil level.
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Operation without oil.
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“Reasonably foreseeable misuse” that can result from easily forseeable
human behaviour:
Operating the machine without having filled the lubricant.
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Operating the machine with too much lubricant.
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Operating the machine with reduced intake performance, e.g. due to a soiled
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intake filter, starting strainer etc.
Assembly and commissioning of the rotary piston machine with intake-side and/or
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discharge-side flange sealers, protection covers or similar.
Insufficient ventilation at the installation site, no insulated lines.
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Open fire or sparks created by welding, separating or similar in direct proximity to
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the unit. Risk of fire!
Operating the machine without an isolated protective device, open belt or coupling
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drive.
Risk of injury from rotating components!
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Taking out the transport securing pin under the hinged motor support during ope-
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ration.
Only applicable for belt drive machines.
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VM compressor
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Continuous operation of the compressor where
�i = 4 and there is a differential
pressure of < 2 bar.
VML compressor
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Continuous operation of the compressor where
�i = 2.3 and there is a differential
pressure of < 1 bar.
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