Qualification and
personal
responsibility
Use only in proper
working condition
Safe work
Dangerous voltage
2.2.1 Personal responsibility
Ensure that only authorized and skilled personnel works with the
equipment. This is particularly important with regard to trouble‑
shooting and remedy.
> Carefully read these instructions for repair before starting
work.
> Replace wear parts regularly.
> Never operate a defective or damaged device.
> P ersonal safety has top priority!
> Always be conscious of safety.
> Observe the owners' directives at work, the national accident
prevention regulations and occupational safety provisions.
2.2.2 Eliminate sources of danger
Only use the vacuum system when it is in proper working
condition.
> Carry out maintenance and repair outside the hazardous
area, i.e., outside potential explosive atmospheres.
The owner must determine additional protective measures to en‑
sure safe personal protection if work has to carry out inside a
hazardous area.
> Observe the operating instructions of the owner.
> Switch off the device prior to maintenance and repair.
> Secure the device against restarting.
Parts may carry dangerous voltages for some minutes even when
the device is switched off.
To avoid fatal injuries to not carry out any work during this period.
> Mark activities at the device appropriately, e. g. using a
instruction plate. Ensure that the instruction plate is available
also during temporary interruption.
> Afterwards restore the protective equipment immediately, if
you have deactivated safety functions and protective equip‑
ment due to maintenance or repair work.
Safety instructions
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