Download 1 - Miller Electric

ARC RAYS
burn eyes and skin.
can
NOISE
Arc rays from the cutting process produce intense
visible and invisible (ultraviolet and infrared) rays
that can burn eyes and skin.
protection (helmet or shield) with correct shade of
protect your face and eyes when cutting or watching.
ANSI Z49.1 (see Safety Standards) suggests a No. 9 shade
(with No. 8 as minimum) for all cutting currents less than 300
can
damage hearing.
Prolonged noise from some cutting applications
damage hearing if levels exceed limits
specified by OSHA (see Safety Standards).
can
Wear face
1.
filter to
5.
Use
6.
Warn others
amperes. Z49.1 adds that lighter filter shades may be used
when the arc is hidden by the workpiece. As this is normally the
case
are
with low current
provided for
the
cutting, the
shades
suggested
Table 1.
4.
material
(wool
and
leather)
and foot
be
can
40
Read the
Cutting
#4
_________
________
#5
I
#6
I
#8
________
5.
only if it is well ventilated, or while
air-supplied respirator. Fumes from cutting and
oxygen depletion can alter airquality causing injury or death. Be
sure the breathing air is safe.
Work in
6.
confined space
a
an
Do not cut in locations near degreasing, cleaning, or spraying
operations. The heat and rays of the arc can react with vapors to
form highly toxic and irritating gases.
on coated metals, such as galvanized, lead, or
plated steel, unless the coating is removed from the
cutting area, the area is well ventilated, and if necessary, while
Do not cut
cadmium
If ventilation is poor,
4.
high.
Minimum Shade Number
L~H~
60
6080
use
exhaust at the
to
arc
remove
3.
Plasma Arc
I
2040
7.
head out of the fumes. Do not breathe the fumes.
If inside, ventilate the area and/or
cutting fumes and gases.
2.
muffs if noise level is
Amperes
Below 20
wearing
Cutting produces fumes and gases. Breathing
these fumes and gases can be hazardous to your
health.
Keep your
or ear
about noise hazard.
protection.
FUMES
AND
GASES
hazardous to your health.
1.
plugs
Eye Protection For
Current Level In
operators convenience.
Wear
3.
ear
nearby
in Table 1
approved safety glasses with side shields.
Use protective screens or barriers to protect others from flash
and glare; warn others not to watch the arc.
Wear protective clothing made from durable, flame-resistant
2.
approved
Material
manufacturers
use an
wearing an air-supplied respirator. The coatings and any metals
containing these elements can give off toxic fumes when cut.
approved air-supplied respirator.
Safety
Data Sheets
(MSDSs) and the
coatings, and
8.
instruction for metals to be cut,
Do not cut containers with toxic
containers that have held toxic
be
cleaners.
PLASMA ARC
c~
can cause
3.
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.
~
or
reactive materials inside
reactive materials
or
they
or
must
emptied and properly cleaned first.
pilot arc can cause burns keep away from torch tip when
trigger is pressed.
Wearproperflame-retardantclothingcoveringallexposedbody
The
areas.
5.
Point torch away from your body and toward work when
torch trigger
pilot arc comes on immediately.
pressing the
1.
Keep away from
2.
Do not
grip
the torch
material
near
6.
Turn oft power source and disconnect input power before
disassembling torch or changing torch parts.
7.
Use
tip.
the
CYLINDERS
culling path.
can
explode
if
damaged.
4.
in the Owners
only torch(es) specified
Never allow electrical contact between
a
Manual.
plasma arc torch
and
a
cylinder.
Gas cylinders contain gas under high pressure. If
damaged, a cylinder can explode. Since gas
cylinders are normally part of metalworking
processes, be sure to treat them carefully.
5.
Never cut
6.
Use
only
designed
compressed gas cylinders from excessive heat,
mechanical shocks, slag, open flame, sparks, and arcs.
7.
Turn face away from valve outlet when
8.
Keep protective cap
on a
pressurized cylinder
associated parts in
1.
2.
Protect
cylinders in an upright position by chaining
stationary support or equipment cylinder rack tO
prevent falling or tipping.
Keep cylinders away from any cutting or other electrical circuits.
Install and
them to
3.
1-3.
Additional
can cause severe
burns.
Do not touch hot
1.
parts bare handed.
Allow cooling period before working on torch.
2.
FLYING PIECES OF METAL
or
DIRT
can
injure
eyes.
Wear safety glasses
1.
shield.
Page
2
9.
use or
will result.
good condition.
in
place
connected for
over
equipment,
opening cylinder
valve.
except when cylinder is
use.
Read and follow instructions
associated
valve
compressed gas cylinders,
publication P-i listed in Safety
on
and CGA
Standards.
Installation, Operation, And Maintenance Hazards
HOT PARTS
OM-182 701
in
secure
a
explosion
correct gas cylinders, regulators, hoses, and fittings
for the specific application; maintain them and
with side shields
or
face
FALLING
EQUIPMENT
can
cause
serious personal injury and equipment
damage.
1.
Use lifting eye to lift unit only, NOT running gear,
gas cylinders, or any other accessories.
2.
Use
3.
If
equipment of adequate capacity
lift forks to
using
long enough
unit.
move
to extend
unit, be
to lift unit.
sure
forks
beyond opposite
are
side of