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SECTION
2
SAFETY PRECAUTIONS AND SIGNAL WORDS
2-1.
GENERAL INFORMATION AND SAFETY
A.
General
Information
presented
in
this manual and
on
various la
bels,
tags,
and
plates
on
the unit
pertains
to
equipment
design,
installation,
operation,
maintenance,
and
troubleshooting
which should be
read, understood,
and
followed for the safe and effective
use
of this
equipment.
B.
Safety
The
installation,
operation,
maintenance,
and trouble
shooting
of
arc
welding equipment requires practices
and
procedures
which
ensure
personal
safety
and the
safety
of others.
Therefore,
this
equipment
is
to
be in
stalled,
operated,
and maintained
only by qualified
per
Sons
in accordance with this
manual
and all
applicable
codes such
as,
but not limited
to,
those listed at the end
of Section
1
Safety
Rules.
2-2.
SAFETY
ALERT
SYMBOL
AND
SIGNAL
WORDS
The
following safety
alert
symbol
and
signal
words
are
used
throughout
this manual
to call attention to and iden
tify
different
levels of hazard and
special
instructions.
a
This
safety
alert
symbol
is used with the
signal
words
WARNING and CAUTION
to
call
atten
tion to the
safety
statements.
a
WARNING
statements
identify procedures
or
practices
which
must
be followed
to
avoid seri
ous
personal injury
or
loss of life.
4~
CAUTION
statements
identify
procedures
or
practices
which
must
be followed
to
avoid minor
personal injury
or
damage
to
this
equipment.
IMPORTANT
statements
identify
special
instructions
necessary for
the most efficient
operation
of this
equip
ment.
SECTION
3
SPECIFICATIONS
Table 3-1.
Specifications
Model
Ampere Rating
At
100% Duty
Cycle
DCEN;
ACHF
Tun9sten
Size
Capacity
Cable
Length
Torch
Body
Cooling
Method
Wei
ght
Net
Ship
MT-24-12-1
MT-24-25-1
MT-24F-1 2-1
MT-24-VF-12-1
MT-24F-25-1
MT-24VF-25-1
80
Amperes
With
Argon*
.020 thru
3/32
in.
(0.5
thru
2.4
mm)
12.5 ft.
(3.8 m)
25 ft
(7.6 m)
Length:
8.1 in.
(206.0 mm)
Handle
Diameter:
0.75 in.
(19.0 mm)
Weight:
2.0
oz.
(57.0 g)
Air
2
lbs.
(0.9 kg)
2.5 lbs.
(1.1 kg)
4.5 lbs.
(2.0 kg)
5.0 lbs.
(2.3 kg)
12.5 ft.
(3.8 m)
25 ft.
(7.6 m)
Length:
8.0 in.
(203.0 mm)
Handle
Diameter:
0.75 in.
(19.0 mm)
Weight:
3.0
oz.
(85.0
g)
2 lbs.
(0.9
kg)
3 lbs.
(1.1 kg)
4.5 lbs.
(2.0
kg)
5.0 lbs.
(2.3 kg)
*Rated With Gas Lens Collet
Body
3-1.
DUTY CYCLE
The
duty cycle
of
a
welding
torch is the
percentage
of
a
ten
minute
period
that
a
torch
can
be
operated
at
a
given
load. This torch is rated
at
100%
duty cycle using
argon
shielding
gas.
This
means
that the torch
can
beoperated
at
rated load conditions
continuously.
CAUTION:
EXCEEDING
THE
RATED
AMPERAGE and
duty cycle
can
result in
damage
to
the torch.
Do
not
exceed rated amperage and
duty cycle
stated in Table 3-1.
3-2.
DESCRIPTION
This
air-cooled torch is
specifically
for
use
with the Gas
Tungsten
Arc
Welding (GTAW)
process. The
alphanu
meric model
designation
refers
to
the
following:
24
-
Ampere Rating:
80
Amperes.
12-
12.5 ft.
(3.8
m)
Cable
25
-
25 ft.
(7.6 m)
Cable
1
-
One-Piece,
High-Flex
Cable
V
-
Gas
Valve
F
-
Flex Head
a
OM-1 558
Page
3
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