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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.
a
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%Dut
DCEN,
XCl~F
Tun9sten
Size
Capacity
Cable
Length
Torch
Body
Cooling
Method
Weight
Net
Ship
MTTC-1512HR
MTTC-1512NR
MUG-i 525HR
MUC-1525NR
MUG-i
51 2VHR
MUC-1512VNR
MUG-i 525VHR
MUG-i 525VNR
*150
Amperes
With
Argon
.020 thru
1/8
in.
(0.5
thru
3.2
mm)
12.5 ft
(3.8 m)
25 ft.
(7.6 m)
Length:
8.0 in.
(203 mm)
Handle Diameter:
0.9 in.
(23 mm)
Weight:
4.6
oz.
(130 g)
Air
2.5 lbs.
(1.1 kg)
3.0 lbs.
(1.4
kg)
5.0 lbs.
(2.3 kg)
5.5 lbs.
(2.5 kg)
12.5 ft.
(3.8 m)
25 ft.
(7.6 m)
Length:
8.8 in.
(222 mm)
Handle Diameter:
0.9 in.
(23 mm)
Weight:
7.5
oz.
(210 g)
2.5 lbs.
(1.1
kg)
3.0 lbs.
(1.4
kg)
5.0 lbs.
(2.3 kg)
5.5 lbs.
(2.5
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
be
operated
at rated
load conditions
continuously.
a
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
heavy duty
torch is
specifically
for
use
with the
Gas
Tungsten
Arc
Welding (GTAW)
process.
The
alphanumeric
model
designation
refers
to
the
following:
15
-
Ampere Rating:
150
Amperes
12- 12.5 ft.
(3.8 m)
Cable
25
-
25 ft.
(7.6 m)
Cable
H
-
High-Flex
Cable
(1 piece assembly)
N
-
High-Performance
Cable
(2 piece assembly)
R
-
Rigid
Head
V
-
Gas Valve
OM-1561
Page
3
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