User guide

page 18 of 102
of such substances from the pump outlet, install an
appropriate collecting and disposal system and take
protective action for pump and environment.
➨ You must take suitable precautions to prevent any for-
mation of explosive mixtures in the pump chamber or
at the outlet of the pump. In case, e.g., of a diaphragm
failure, mechanically generated sparks, hot surfaces
or static electricity may ignite these mixtures. Use inert
gas for gas ballast or venting, if necessary.
➨ Drain appropriately or otherwise remove any poten-
tially explosive mixtures at the outlet of the pump, or
dilute them to non-explosive concentrations.
➨ Never operate this pump if it has a damaged cord or
plug.
+ If the pump is not working properly, has been dropped
or has fallen into water, contact your pump service pro-
vider.
+ Prevent any part of the human body from coming into
contact with vacuum.
+ Make sure that the exhaust pipeline cannot become
blocked.
+ Check the overpressure safety relief device at the ex-
haust waste vapor condenser at appropriate intervals.
+ Attention: At pressures above approximately 795 Torr
(1060 mbar) the pressure reading becomes incorrect
due to saturation of the pressure transducer. The dis-
play ashes. Release pressure immediately! Risk of
bursting!
+ Comply with applicable regulations when disposing of
chemicals. Take into consideration that chemicals may
be contaminated. Take adequate precautions to pro-
tect people from the effects of dangerous substances
(chemicals, thermal decomposition products of uoro-