WARNING: CONTAMINATION HAZARD
Risk of toxic exposure. Contaminated parts can be detrimental to health and the
environment. Before beginning with any work, nd
out whether any parts are
contaminated. Adhere to the relevant regulations and take the necessary precautions
when handling contaminated parts.
▪ Liquid and solid particles or dust must not enter the pump. Install the
adequate lters, separators and/or condensers. In case of doubt
consult us.
▪ The pump must be packaged in such a way that it will not be
damaged during shipping so that no harmful substances can escape
from the package.
▪ The vacuum and exhaust lines must be leak tight. Hazardous process
gases may escape or the pumped gases can react with air or
atmospheric humidity. After installation of the pump and after servicing
work on the vacuum system, leak detection is necessary.
When pumping hazardous gases we recommend to do leak detection
regularly. Leaks in the pump cannot be ruled out under all
circumstances. When pumping hazardous gases, the operator must
make sure that leaks at the pump and in the vacuum system will not
be a hazard.
▪ Since all application related hazards for vacuum systems cannot be
described in detail in these operating instructions, we have a separate
document (safety booklet) available in which the hazards and general
safety concepts for design, operation and maintenance of vacuum
systems are explained.
When planning to pump hazardous substances with this pump, read
the related chapters in the safety booklet and these operating
instructions rst. You can download the safety booklet from our
homepage.
▪ The pump is not suitable for oxygen pumping operation.
▪ Before commissioning the pump, make sure that the media which are
to be pumped are compatible with each other to avoid hazardous
situations. All relevant safety standards and regulations must be
observed.
▪ If the pump has previously handled hazardous gases, implement the
proper precautionary measures before opening the intake or exhaust
connection. Before opening the pump, purge it for a longer period with
an inert gas. If necessary, use gloves, a respirator and/or protective
clothing and work under an exhaust hood. Firmly seal off the pump.
When shipping the contaminated pump for servicing, also state the
type of hazard. Refer to Service on page 49 for more details.
▪ When cleaning a system in which a pump has been integrated, all
parts in contact with the medium need to be compatible with the
cleaning agent to prevent a chemical reaction. Residues of the
cleaning agent within the pump must be avoided.
▪ The pump is not suitable for operation in the explosion hazard areas.
300956027_002_A0 - 03/2022 - © Leybold
10
Important safety information
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