Pfeiffer Vacuum Penta 10, Translation Of The Original Operating Instructions

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21
Maintenance

Screw in operating fluid drain screw 172a; pay attention to o-ring.

Allow pump to run for a maximum of 5 seconds with the vacuum flange open.

Drain off remaining operating fluid.
– In case of serious contamination, the operating fluid will have to be changed
several times (flushing):
Flushing

Fill up with operating fluid to the middle of the sight glass.

Operate the pump with the gas ballast open until the pump has warmed up.

Drain the operating fluid again and check for contamination, flush again if neces-
sary.

Screw the operating fluid drain screw back in.

Fill up with operating fluid and check the filling level (siehe S. 14, Kap. ) .
WARNING
Operating fluid may contain toxic substances from the pumped media!
Danger of poisoning from the emission of harmful substances from the operating fluid.

Wear suitable protective clothing and respirators.

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.

Dispose of operating fluid according to the local regulations.