Hypertherm MicroEDGE Pro Shape Cutting Control Rev.2 - Manual (Page 16)

S-6 Hypertherm
Safety
03/10
Work cable Attach the work cable securely to the
workpiece or the work table with good metal-to-metal
contact. Do not connect it to the piece that will fall
away when the cut is complete.
Work table Connect the work table to an earth
ground, in accordance with appropriate national and
local electrical codes.
Input power
• Be sure to connect the power cord ground wire to the
ground in the disconnect box.
• If installation of the plasma system involves connecting
the power cord to the power supply, be sure to
connect the power cord ground wire properly.
• Place the power cord’s ground wire on the stud first,
then place any other ground wires on top of the power
cord ground. Fasten the retaining nut tightly.
• Tighten all electrical connections to avoid excessive
heating.
gRoUNDINg SAfEty
StAtIC ELECtRICIty CAN DAMAgE CIRCUIt BoARDS
Use proper precautions when handling printed circuit boards:
• Store PC boards in anti-static containers.
• Wear a grounded wrist strap when handling PC boards.
CoMPRESSED gAS EqUIPMENt
SAfEty
• Never lubricate cylinder valves or regulators with oil
or grease.
• Use only correct gas cylinders, regulators, hoses and
fittings designed for the specific application.
• Maintain all compressed gas equipment and
associated parts in good condition.
• Label and color-code all gas hoses to identify the type
of gas in each hose. Consult applicable national and
local codes.
gAS CyLINDERS CAN
ExPLoDE If DAMAgED
Gas cylinders contain gas under high pressure.
If damaged, a cylinder can explode.
• Handle and use compressed gas cylinders in
accordance with applicable national and local codes.
• Never use a cylinder that is not upright and secured
in place.
• Keep the protective cap in place over valve except
when the cylinder is in use or connected for use.
• Never allow electrical contact between the plasma arc
and a cylinder.
• Never expose cylinders to excessive heat, sparks, slag
or open flame.
• Never use a hammer, wrench or other tool to open a
stuck cylinder valve.