Hypertherm Powermax30 Operator Manual - Manual (Page 18)

1-6 Hypertherm
SAFETY
11/08
• 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 or local codes.
GAS CYLINDERS CAN
EXPLODE IF DAMAGED COMPRESSED GAS EQUIPMENT
SAFETY
Gas cylinders contain gas under high pressure.
If damaged, a cylinder can explode.
• Handle and use compressed gas cylinders in
accordance with applicable national or 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.
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 or
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