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VEVOR KH5030 - Page 22

VEVOR KH5030
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- 21 -
closure does not occur, do not continue to use it. Turn off the device and
contact customer service or repair service. Never disable these closures.
If the water cooling system is not working properly, do not use this laser
engraver under any circumstances. Always activate the water cooling
system and visually confirm that the water is flowing through the entire
system before turning on the laser tube. Do not use ice water or water
with temperatures higher than 100° F (38 ° C). For best results, keep it
between 60–70°F (15–21°C).
Do not use generic coolant or antifreeze in the cooling water, as they may
leave a corrosive residue and solidify inside the hose and pipes, which
can lead to failure or even explosion. Use custom laser-safe formulations,
or use and store your engraver in a climate-controlled area.
Do not leave potentially flammable, flammable, explosive, or corrosive
materials nearby to avoid exposing them to direct or reflected laser
beams.
Do not use or place sensitive EMI equipment nearby. Make sure that the
area around the laser is free of strong electromagnetic interference
during any use.
Use this machine only for the processing of materials described in the
Material Safety section of this manual. The laser setup and engraving
process must be appropriately adjusted for the specific material.
Ensure that the area is free of other air pollutants as these may pose a
similar risk of reflection, combustion, etc.

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