User manual

Northern Industrial Welding
4
Operating Instructions and Parts Manual
ST80i
General Safety Information
1.1 Your Welding Environment
-Keep the environment you will be
welding in free from flammable
materials.
-Always keep a fire extinguisher
accessible to your welding
environment.
-Always have a qualified person
install and operate this equipment.
-Make sure the area is clean, dry and
ventilated. Do not operate the welder
in humid, wet or poorly ventilated
areas.
-Always have your welder maintained
by a qualified technician in
accordance with local, state and
national codes.
-Always be aware of your work
environment. Be sure to keep other
people, especially children, away
from you while welding.
-Keep harmful arc rays shielded from
the view of others.
-Mount the welder on a secure bench
or cart that will keep the welder
secure and prevent it from tipping
over or falling.
1.2 Your Welder’s Condition
-Check all cables, power cord and
welding cable to be sure the
insulation is not damaged. Always
replace or repair damaged
components before using the welder.
-Check all components to ensure they
are clean and in good operating
condition before use.
1.3 Use of Your Welder
Do not operate the welder if the
output cable, electrode, or any part
of the system is wet. Do not immerse
them in water. These components
and the welder must be completely
dry before attempting to use it.
-Follow the instructions in this manual.
-Keep welder in the off position when
not in use.
-Connect ground lead as close to the
area being welded as possible to
ensure a good ground.
-Do not allow any body part to come
in contact with the electrode if you are
in contact with the material being
welded, ground or electrode from
another welder.
-Do not weld if you are in an awkward
position. Always have a secure
stance while welding to prevent
accidents. Wear a safety harness if
working above ground.
-Do not drape cables over or around
your body.
-Wear a full coverage helmet with
shade (see ANSI Z87.1 safety
standard) and safety glasses while
welding.
-Wear proper gloves and protective
clothing to prevent your skin from
being exposed to hot metals, UV and
IR rays.
-Do not overuse or overheat your
welder. Allow proper cooling time
between duty cycles.
-Always use this welder in the rated
duty cycle to prevent excessive heat
and failure.
1.4 Specific Areas of Danger, Caution or
Warning
Electrical Shock
Electric arc welders can
produce a shock that
can cause injury or
death. Touching electrically live parts
can cause fatal shocks and severe
burns. While welding, all metal
components connected to the unit are
electrically hot. Poor ground