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Do not pump substances which may form deposits inside the pump. The pumps
•
are not suitable for pumping substances which may form deposits inside the
pump. Deposits and condensate in the pump may lead to increased tempera-
tures even to the point of exceeding the maximum permitted temperatures. De-
posits may cause seizing of the pump unit.
•
Check the inlet and outlet of the pump and its oil condition, if there is a danger of
forming deposits or corrosion inside the pump, e.g., in the pump unit. Inspect
the pump regularly and clean if necessary. In case, replace corroded parts or
change pump oil.
•
Consider interactions and chemical reactions of the pumped media. Ensure
that the materials of the pump's wetted parts are compatible with the pumped
substances, see section "Technical data".
When changing the substances pumped, we recommend purging the pump with
air or inert gas prior to changing the pumped media. Purging the pump will pump
out residues and it will reduce the possibility of reactions of the pumped sub-
stances with each other and with the pump's materials or with the pump oil. If
necessary change oil before changing the pumped media.
Safety during operation
➨ Adopt suitable measures to prevent the release of dangerous, toxic, explosive,
corrosive, noxious or polluting fluids, vapors and gases. To prevent any emission
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 formation of explosive mix-
tures inside the pump, in the oil reservoir, or at the outlet of the pump. In such
circumstances, 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 potentially 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.
+ Prevent any part of the human body from coming into contact with vacuum.
+ If there is an exhaust isolation valve, make sure that you cannot operate the
equipment with the valve closed to avoid a risk of bursting!
+ Always provide a free and pressureless exhaust outlet to avoid damage to the
pump and risk of bursting.
+ Comply with applicable regulations when disposing of chemicals. Take into con-
sideration that chemicals may be contaminated. Take adequate precautions to
protect people from the effects of dangerous substances (chemicals, oil mist,
thermal decomposition products of fluoroelastomers). Use appropriate protective
clothing and safety goggles.
+ Interruption of the pumping unit or of a pump (e.g., due to power failure), failure
of connected components or of parts of the supply, or change in parameters must
not be allowed to lead to dangerous conditions. In case of a leak in the manifold
or at the shaft seal, pumped substances might be released into the environment
or into the pump housing or motor.
Comply with all notes regarding proper use of the pumps, as well as operation
and maintenance guidance.
Documents are only to be used and distributed completely and unchanged. It is strictly the users´ responsibility to check carefully
the validity of this document with respect to his product. Manual-no.: 999069 / 28/04/2016
page 7 of 20
densate in the pump may lead to increased tempera-
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