Pfeiffer DuoLine DUO 20 M, Руководство по эксплуатации

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Maintenance
Fig. 11: Draining the operating fluid
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Screw in operating fluid drain screw 198a; pay attention to o-ring.
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Allow pump to run for a maximum of 5 seconds with the vacuum flange open.
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Drain off remaining operating fluid.
– In case of serious contamination, the operating fluid will have to be changed
several times (flushing):
Flushing
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Fill up with operating fluid to the middle of the sight glass.
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Operate the pump with the gas ballast open until the pump has warmed up.
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Drain the operating fluid again and check for contamination, flush again if neces-
sary.
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Screw the operating fluid drain screw back in.
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Fill up with operating fluid and check the filling level (see p. 15, chap. 5.5) .
198a
WARNING
Operating fluid may contain toxic substances from the pumped media!
Danger of poisoning from the emission of harmful substances (radioactive, toxic, etc.)
from the operating fluid.
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Wear suitable protective clothing and respirators.
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Dispose of operating fluid according to the local regulations
NOTE
Request safety data sheets for operating fluids and lubricants
from Pfeiffer Vacuum or download them from the Internet.
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Dispose of operating fluid according to the local regulations.