Application Guide

9
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PLASMA ARC CAN CAUSE INJURY.
The heat from the plasma arc can cause serious burns. The force of the arc adds greatly to the burn hazard. The
intensely hot and powerful arc can quickly cut through gloves and tissue.
• Keep away from the torch CUTTING TIP (D).
• Do not grip material near the cutting path.
• The pilot arc can cause burns - keep away from torch CUTTING TIP when trigger is pressed.
• Wear proper flame-resistant clothing covering all exposed body areas.
• Point PLASMA TORCH away from your body and toward workpiece when pressing the torch trigger – pilot arc
comes on immediately.
• Turn OFF machine and disconnect INPUT POWER CABLE before removing SHIELD CUP (E), changing torch
consumables or disassembling PLASMA TORCH.
• Use only the PLASMA TORCH that came connected to your plasma cutting machine or a certified replacement.
Additional Symbols for Installation, Operation, and Maintenance
HOT PARTS CAN CAUSE SEVERE BURNS.
• Do not touch hot parts bare handed.
• Allow cooling period before working on PLASMA TORCH (9).
MOVING PARTS CAN CAUSE INJURY.
• Keep away from moving parts such as fans.
• Keep all doors, panels, covers, and guards closed and securely in place.
FLYING METAL CAN INJURE EYES.
• Wear safety glasses with side shields or face shield.
MAGNETIC FIELDS CAN AFFECT PACEMAKERS.
• Pacemaker wearers keep away.
• Wearers should consult their doctor before going near plasma arc cutting operations.
OVERUSE CAN CAUSE OVERHEATING.
• Allow cooling period; follow rated duty cycle.
• Reduce amperage or reduce length of continuous cutting to reduce duty cycle protection events.
EXPLODING HYDROGEN HAZARD.
• When cutting aluminum underwater or with the water touching the underside of the aluminum, free hydrogen
gas may collect under the workpiece and pose an explosion.
FALLING UNIT CAN CAUSE INJURY.
• Use lifting handle to lift unit only, NOT running gear, gas cylinders, or any other accessories.
FIRE OR EXPLOSION HAZARD.
• Do not locate unit on, over, or near combustible surfaces.
• Do not install unit near flammables.
• Do not overload building wiring – be sure building power supply system is properly sized, rated, and protected
to handle this unit.
H.F. RADIATION CAN CAUSE INTERFERENCE.
• High frequency (H.F.) can interfere with radio navigation, safety services, computers, and communications
equipment. Have only qualified persons familiar with electronic equipment perform this installation. The user
is responsible for having a qualified electrician promptly correct any interference problem resulting from the
installation. If notified by the FCC about interference, stop using the equipment at once. Have the installation
regularly checked and maintained. Keep machine doors and panels tightly shut, keep spark gaps at correct
setting, and use grounding and shielding to minimize the possibility of interference.
ARC CUTTING CAN CAUSE INTERFERENCE.
• Electromagnetic energy can interfere with sensitive electronic equipment such as computers and computer-
driven equipment such as robots. To reduce possible interference, keep cables as short as possible, close
together, and down low, such as on the floor. Locate cutting operation 100 meters from any sensitive electronic
equipment. Be sure this plasma cutting machine is installed and grounded according to this manual. If
interference still occurs, the user must take extra measures such as moving the machine, using shielded cables,
using power line filters, or shielding the work area.