4 Specific safety instructions and the symbols used
Unsafe practices and other important information are emphasised in this manual.
Warnings are emphasised by means of special signs.
Always read the manual before using the Mixer!
4.5
Working on the electrical equipment
NOTE!
Switch on briefly to check whether the motor is rotating in the direction indicated (arrow on the pump housing).
NOTE!
The machine connection must comply with VDE standards.
When the motor is connected to the power supply, check that the motor voltage, frequency converter and mains voltage
correspond.
The voltages are indicated on the motor rating plate or the frequency converter data sheet.
Only qualified electricians may repair the machine’s electrical equipment.
Check the electrical equipment regularly.
Re-tighten any loose connections.
Replace damaged lines/cables immediately.
Keep the frequency converter locked and clean at all times!
Only authorised persons with key/tool are allowed access.
Never hose down a frequency converter to clean it.
4.6
Working on the flush tank
The machine must not be commissioned (even briefly) if the barrier medium circuit is not intact, otherwise the axial face seal
may be destroyed.
Check that screw connections are firmly tightened after any maintenance or repair work.
After completion of the maintenance or repair work, and before resuming production, make sure that all the materials, tools and
other equipment required for carrying out the maintenance or repair work are removed from the work area of the installation and
that all the installation’s safety devices are functioning properly.
4.7
Observe the environmental protection instructions
The legal obligations relating to the prevention of waste and recycling/disposal must be observed whenever work is done on
and with the machine. Particularly when installation, repair and maintenance work is performed, water-hazardous substances,
such as:
-
Lubricating grease and oil
-
Hydraulic fluids
-
coolants
-
solvent-containing cleaning fluids
do not contaminate the soil or enter the drains.
These substances must be stored, transported, collected and disposed of in suitable tanks.
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