Miller GA-17C - Section 1 - Safety Precautions and Signal Words; General Information and Safety; Safety Alert Symbol and Signal Words

SECTION
1
-
SAFETY PRECAUTIONS
AND SIGNAL
WORDS
1-1.
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
For
Operation
Of
Arc
Weld
ing
Power
Source
in
the
welding
power
source
Owners
Manual.
1-2.
SAFETY
ALERT
SYMBOL
AND
SIGNAL
WORDS
The
following safety
alert
symbol
and
signal
words
are
used
throughout
this
manual
to
call
attention
to
and
identify
different
levels of hazard and
special
instruc
tions.
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
2-
INTRODUCTION
Table
2-1.
SpecificatIons
Ampere
Ratina
60%
Duty
Cycre
Wire
Diameter

Cable
Length
Coolina
Method
Weight
Net
Ship
170 Amoeres
With
~O2
0.023
-
0.035
in.
(0.6
-
0.9
mm)
lOft.
(3.0
m)
12
ft.
(3.7
m)
15
ft.
(4.6
m)
Air
3.5
lbs.
(1.6
kg)
I
6 lbs.
(2.7
kg)
4
lbs.
(1.8
kg)
I
6.5
lbs.
(3
kg)
4.5
lbs.
(2
kg)
7
lbs.
(3.2
kg)
2-1.
DUTY
CYCLE
The
duty
cycle
of
a
welding
gun
is the
percentage
of
a
ten
minute
period
that
a
gun
can
be
operated
at
a
given
output
without
overheating
and
damaging
the
gun.
This
gun
is rated
at
60%
duty
cycle
using
C02
shielding
gas.
This
means
the
gun
can
be
operated
at
170
amperes
for
six
minutes
out
of
ten
with
C02
shielding
gas.
During
the
remaining
four
minutes,
the
gun
must
operate
at
no
load
to
permit
proper
cooling.
If
rated
amperage
is
exceeded,
the
duty cycle
must
be reduced.
a
CAUTION: EXCEEDING
THE
RATED
AM
PERAGE
WITH
CO2
OR FAILING
TO
RE
DUCE
THE
WELDING
AMPERAGE
OR
DUTY
CYCLE WHEN
USING
A
MIXED
SHIELDING
GAS
can
result
In
damage
to
the
gun.

Do
not
exceed rated
amperage
when
using
CO2.

Operate
at
30%
duty
cycle
when
using
mixed
shielding
gas.
2-2.
DESCRIPTION
This unit
is
an
air-cooled
semiautomatic
Gas
Metal
Arc
Welding
(GMAW)
gun.
The
alpha-numeric designation
refers
to
the
following:
G-Gun
A

Air
Cooled
17Ampere
Rating:
170
Amperes
CCurved
HeadTube
OM-1028
Page
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