WELDKAR WK TIG 320 AC PULSE Mode D'emploi page 19

3. Remove all flammables within 35 ft (11 m) of the
welding arc. If this is not possible, tightly cover
them with approved covers.
4. Be alert that welding sparks and hot materials from
welding can easily go through small cracks and
openings to adjacent areas.
5. Watch for fire, and keep a fire extinguisher nearby.
6. Be aware that welding on a ceiling, floor, bulkhead,
or partition can cause fire on the hidden side.
!
7. Do not weld on closed containers such as tanks or
drums.
8. Connect work cable to the work as close to the
welding area as practical to prevent welding current
from travelling long, possibly unknown paths and
causing electric shock and fire hazards.
9. Do not use welder to thaw frozen pipes.
10. Remove stick electrode from holder or cut off
welding wire at contact tip when not in use.
WARNING
FLYING SPARKS AND HOT METAL
can cause injury.
Chipping and grinding cause flying metal.
As welds cool, they can throw off slag.
1. Wear approved face shield or safety goggles. Side
shields recommended.
2. Wear proper body protection to protect skin.
WARNING
CYLINDERS can explode
if damaged.
Shielding gas cylinders contain gas under high pressure.
If damaged, a cylinder can explode. Since gas cylinders
are normally part of the welding process, be sure to
treat them carefully.
1. Protect compressed gas cylinders from excessive
heat, mechanical shocks, and arcs.
2. Install and secure cylinders in an upright position by
chaining them to a stationary support or equipment
cylinder rack to prevent falling or tipping.
3. Keep cylinders away from any welding or other
electrical circuits.
4. Never allow a welding electrode to touch any
cylinder.
5. Use only correct shielding gas cylinders, regulators,
hoses, and fittings designed for the specific
application; maintain them and associated parts in
good condition.
6. Turn face away from valve outlet when opening
cylinder valve.
7. Keep protective cap in place over valve except when
cylinder is in use or connected for use.
8. Read and follow instructions on compressed gas
cylinders, associated equipment, and Safety
Standards.
WARNING
MOVING PARTS
can cause injury
Moving parts, such as fans, rotors, and belts can cut
fingers and hands and catch loose clothing.
1. Keep all doors, panels, covers, and guards closed
and securely in place.
2. Stop engine before installing or connecting unit.
3. Have only qualified people remove guards or covers
for maintenance and troubleshooting as necessary.
4. To prevent accidental starting during servicing,
disconnect negative (-) battery cable from battery.
5. Keep hands, hair, loose clothing, and tools away
from moving parts.
6. Reinstall panels or guards and close doors when
servicing is finished and before starting engine.
WARNING
SPARKS can cause BATTERY GASES
TO EXPLODE; BATTERY ACID can burn
eyes and skin.
Batteries contain acid and generate explosive gases.
1. Always wear a face shield when working on a
battery.
2. Stop engine before disconnecting or connecting
battery cables.
3. Do not allow tools to cause sparks when working on
a battery.
4. Do not use welder to charge batteries or jump start
vehicles.
5. Observe correct polarity (+ and –) on batteries.
NOTE
Considerations about welding and the effects
of LOW FREQUENCY ELECTRIC AND MAGNETIC
FIELDS
Electric current following through any conductor causes
localized Electric and Magnetic Fields (EMF). Welding/
cutting current creates EMF fields around cables and
power sources.
The magnetic fields created by high currents may affect
the operation of pacemakers. Wearers of vital electronic
equipment (pacemakers) shall consult their physician
before beginning any arc welding, cutting, gouging or
spot welding operations.
Exposure to EMF fields in welding/cutting may have
other health effects which are now not known.
To reduce magnetic fields in the workplace, use the
following procedures.
1. Keep cables close together by twisting or taping
them.
2. Arrange cables to one side and away from the
operator.
3. Do not coil or drape cable around the body.
!
4. Keep welding Power Source and cables as far away
from body as practical
WARNING
ABOUT PACEMAKERS
The above procedures are among those
also normally recommended for pacemaker wearers.
Consult your doctor for complete information.
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