WIKA LGG serie Betriebsanleitung Seite 23

7. Maintenance, repair and cleaning
7.3 Cleaning
Prior to cleaning, valve heads, drain valve and vent must be closed. For
double valves, only the quick closing levers remain open.
CAUTION!
Physical injuries and damage to property and the
environment
Improper cleaning may lead to physical injuries and damage
to property and the environment. Residual media in the
dismounted instrument can result in a risk to persons,
the environment and equipment. Sufficient precautionary
measures must be taken.
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Check the cleaning liquid for compatibility with the
medium, indicator material, glasses and mica
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Mechanical cleaning of mica shields is not permitted (e.g.
with brushes)
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Do not use any pointed and hard objects for cleaning.
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Do not use the sealings several times
Cleaning with jetting liquid
Open the vent carefully and slowly until the pressure compensation
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with the environment is complete
Take measures to collect or drain the medium
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Open the drain valve and allow the media to drain
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From above, fill with medium or other permissible cleaning agent and
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clean the glass level gauge.
Screw in the plugs with new seals and tighten to 80 ... 100 Nm and/or
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close the drain valve
Recommission the glass level gauge as described in chapter 5.4
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"Commissioning"
Operating instructions glass level gauge, model LGG
EN
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