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2.3
Requirements for operators
⇒ The product may only be used by persons aged 14 or over who are familiar with the procedures and
en
rules in a dental laboratory�
2.4
Safe condition of the unit
Defective, broken or leaking components may cause injuries�
⇒ Check the power cord, housing, and other components such as connection cables, tubes, and the oper-
ating panel pad for damage, such as kinks, cracks, porosity, and signs of wear and tear�
⇒ Defective equipment must be taken out of service immediately� Disconnect the power plug� Send the
unit in for repair or dispose of it safely� Until then, secure the unit to prevent it from being switched on
again so that it is not used inadvertently�
⇒ Do not expose the unit to mechanical impact� Do not drop it�
2.5
Hazards as a result of modifications and repairs
Improper modifications and repairs to the unit may cause accidents, fire, and electric shock.
⇒ Only have the unit repaired by qualified specialist dealers or return it.
The use of unsuitable accessories or spare parts may result in unpredictable accidents and damage�
⇒ Only use accessories and spare parts supplied or approved by Renfert GmbH�
2.6
Risk as a result of electric shock and fire
Risk of electric shock and of fire as a result of excessive operating voltage or if there is no protective
conductor�
⇒ Ensure that the power plug is easily accessible�
⇒ Only operate the unit using a power cord equipped with a plug appropriate to the local power supply�
Only have the power cords changed by a qualified electrician.
⇒ Only operate the unit if the information on the type plate matches the power supply�
⇒ Only connect the unit to electrical sockets that are connected to the protective conductor system�
⇒ Do not extract flammable or explosive gasses, fumes or dust.
⇒ Do not extract hot materials�
⇒ The following applications involve increased risks and are therefore not permitted:
When cleaning milling chambers and SLM printing systems by suction, a sufficiently high concentration
and purity (i.e., unmixed with other dental dusts such as plaster, resin) can result in spontaneous com-
bustion or the milling dust or printing powder exploding because of a potential exothermic reaction (e�g�,
due to oxidation). An alternative cleaning method must be selected, particularly for the following milling
or printing media (e.g., manual cleaning):
• Wood
• Titanium / titanium-aluminum
• Light metals and light metal alloys (e.g., aluminum, magnesium)
• Cobalt-chrome powder (e.g. for use in SLM systems)
If large quantities of light metals such as titanium alloy are processed (e.g., with sandpaper), pro-
ducing very fine grinding dust, a sufficiently high concentration and purity may result in sponta-
neous combustion because of a potential exothermic reaction.
2.7
Risk to health as a result of dust
Dust emissions may result in damage to health�
⇒ If the dust extractor is employed to extract hazardous materials, appropriate personal protective gear
must be worn and steps must be taken to ensure that the exhaust air is properly ventilated� Refer to the
safety data sheets for the corresponding requirements�
⇒ When disposing of the extracted material or used filters, observe local provisions and accident preven-
tion regulations!
⇒ Depending on the type of extracted material, wear appropriate personal protective equipment when
emptying the dust drawer or cleaning�
⇒ For connection to a CAM system, observe the operating instructions for the CAM system as well as the
safety instructions that they contain�
⇒ Please observe the Safety Data Sheets of the materials to be extracted�
⇒ Only extract with the dust drawer closed�
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