Retsch Mixer Mill MM 500 nano, Manual

Page: 12 / 95

Safety
12
2.6 Preventing risks during normal operation
The failure to comply with the following safety instructions constitutes improper use and
presents a risk to personnel and to operational safety.
Transport and installation
•
Do not carry the device by yourself during transport and installation.
•
Wear safety footwear for transport and installation.
•
Only connect the device to sockets with a PE protective conductor.
•
When connecting the device, the values on the type plate must correspond to those for the
power connection.
Operation
•
Read the manual before commissioning the device.
•
Only operate the device at a workstation of sufficient size that offers adequate stability.
•
Check the mains lead for damage before operating the device.
•
Never operate the device if damage is visible or suspected.
•
Only operate the device according to the technical application limits.
•
During operation, do not wear any jewellery, wear your hair down or wear a tie or similar
loose item of clothing.
•
Wearing hearing protection during operation.
•
Before operating the device, take measures that take account of restricted communication
during operation of the device.
•
Pay attention to your surroundings during grinding because the noise makes it more difficult
to pick up acoustic signals.
•
Do not operate the device in potentially explosive atmospheres.
•
Take note of the safety data sheets for the samples and follow instructions by taking
appropriate measures in advance.
•
Do not grind any explosive and/or flammable substances.
•
Do not grind any substances that might become explosive and/or flammable during
grinding.
•
The components that come into contact with sample material can get very hot or cold during
operation. Before removing the samples, wait for the temperature to adjust, and wear
protective gloves if necessary.
•
Always wear protective gloves and goggles when handling liquid nitrogen for cryogenic
grinding.
•
Under no circumstances fill liquid nitrogen or dry ice into the grinding jar and then close the
jar. The high pressure that arises in the jar would burst the grinding jar open.
Servicing and repair
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Before servicing, switch the device off at the main switch.
•
Only clean the device with a dry or damp cloth.
•
Do not clean the device with compressed air.
•
Have all repairs carried out by the device manufacturer or by an authorised agent.