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Risks during maintenance, decommissioning, disposal and in event of malfunctions
Danger to life from electric shock during maintenance and service work
There is a danger to life from electric shock when making contact with live components that still exist
after the vacuum pump has been switched off.
► Disconnect the vacuum pump safely from the mains.
► Wait until the vacuum pump comes to a standstill (rotation speed = 0).
► After switching off the vacuum pump, wait another 5 minutes until the capacitors have dis-
Danger to life from electric shock in the event of a fault
In the event of a fault, devices connected to the mains may be live. There is a danger to life from
electric shock when making contact with live components.
► Always keep the mains connection freely accessible so you can disconnect it at any time.
Risk of crushing from rotating parts
Fingers and hands may be caught by rotating pistons within the connection flange. This results in se-
vere injuries.
► Keep limbs out of the reach of the roots pump.
Health hazard through poisoning from toxic contaminated components or devices
Toxic process media result in contamination of devices or parts of them. During maintenance work,
there is a risk to health from contact with these poisonous substances. Illegal disposal of toxic sub-
stances causes environmental damage.
► Take suitable safety precautions and prevent health hazards or environmental pollution by toxic
► Decontaminate affected parts before carrying out maintenance work.
► Wear protective equipment.
Scalding from hot lubricant
Danger of scalding when draining lubricant if it comes into contact with the skin.
► Wear protective equipment.
► Use a suitable collection receptacle.
2.3 Safety precautions
WARNING
charged.
WARNING
WARNING
WARNING
process media.
CAUTION
Duty to provide information on potential dangers
The product holder or user is obliged to make all operating personnel aware of dangers
posed by this product.
Every person who is involved in the installation, operation or maintenance of the product
must read, understand and adhere to the safety-related parts of this document.
Infringement of conformity due to modifications to the product
The Declaration of Conformity from the manufacturer is no longer valid if the operator
changes the original product or installs additional equipment.
● Following the installation into a system, the operator is required to check and re-evalu-
ate the conformity of the overall system in the context of the relevant European Direc-
tives, before commissioning that system.
Safety
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