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• There should be fire-fighting equipment nearby and the local fire station's phone number should be clearly
displayed.
• It is highly recommended to have an extra work table nearby in order to avoid placing objects on or directly
adjacent to the machine, which could become a re or laser hazard.
3.3 Electrical Grounding
Poor grounding WILL cause equipment failure and create a serious electrical shock hazard. The
manufacturer and/or seller bear(s) no responsibility and assume(s) no liability for any damage, accidents, or
injuries caused by bad grounding connections.
This machine employs a powerful laser. As discussed in the Safety Information above, it is extremely high voltage
and potentially dangerous, so users MUST securely ground it to avoid the buildup of static electricity.
Electrical grounding must meet the following conditions:
• Using a standard 3-prong outlet will provide sucient grounding.
Warning
If you do not have access to a 3-prong outlet, you MUST use the grounding cable and ensure its proper
connection.
• The far end of the cable should be securely connected to a metal rod driven at least 10 feet (3 m) deep into soil
located at least 5 feet (1.5 m) from the machine.
• The resistance along the line should be no greater than 5 Ω.
3.4 General Instructions
1. Align the two holes on the bottom of the support column with the
corresponding holes on the working platform.
2. Insert and tighten 2 screws to x the support column by using the provided
hex wrench.
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