Instruction book
6996 0227 40 7
1 Safety precautions
1.1 Safety icons
Explanation
1.2 General precautions
General precautions
1. The operator must employ safe working practices and observe all related work safety requirements
and regulations.
2. If any of the following statements does not comply with the applicable legislation, the stricter of the two
shall apply.
3. Installation, operation, maintenance and repair work must only be performed by authorized, trained,
specialized personnel.
4. The vacuum pump is designed for handling atmospheric air only. No other gases, vapors or fumes
should be exposed to the vacuum pump intake or processed by the vacuum pump.
5. Before any maintenance, repair work, adjustment or any other non-routine checks:
Stop the vacuum pump
Press the emergency stop button
Switch off the voltage
Make sure that the vacuum pump system is at atmospheric pressure level.
Lock Out - Tag Out (LOTO):
Open the power isolating switch and lock it with a personal lock
Tag the power isolating switch with the name of the service technician.
On units powered by a frequency converter, wait 10 minutes before starting any electrical
repair.
Never rely on indicator lamps or electrical door locks before maintenance work, always
disconnect and check with measuring device.
If the machine is equipped with an automatic restart after voltage failure function and if this
function is active, be aware that the machine will restart automatically when the power is
restored if it was running when the power was interrupted!
In a domestic environment, this product may cause radio interference in which case
supplementary mitigation measures are required.
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