13
turing. Read, understand, and follow all the
COMPRESSED GASSES AND EQUIPMENT HAZ-
ARDS in the SAFETY SUMMARY at the front of
this manual. Secure your gas cylinder to the
welding cart, or other fixed support.
1. Remove the protective cap from the cylin-
der and inspect the regulator connecting
threads for dust, dirt, oil, and grease.
Remove any dust or dirt with a clean
cloth. DO NOT ATTACH YOUR REGULATOR
IF OIL, GREASE, OR DAMAGE ARE PRE-
SENT.
2. Open the cylinder valve FOR JUST AN
INSTANT to blow out any foreign matter
inside the valve port. Never aim the open
valve cylinder port at yourself or
bystanders.
3. Screw the regulator into the cylinder
valve and tighten with a wrench.
4. Firmly push the gas hose over barbed fit-
tings on back of welder and regulator.
5. Secure both ends of hose onto barbed fit-
tings with hose clamps.
CHECK THE GAS FLOW
WARNING
IMPROPER HANDLING AND MAINTENANCE
OF COMPRESSED GAS CYLINDERS AND REG-
ULATORS CAN RESULT IN SERIOUS INJURY
OR DEATH. To reduce the risk of injury or
death, always stand to the side of the cylinder
opposite the regulator when opening the
cylinder valve, keeping the cylinder valve
between you and the regulator. Never aim the
open cylinder valve port at yourself or
bystanders. Failure to comply with this warning
could result in serious personal injury.
Note: If the cylinder you have is equipped with
male regulator connecting threads instead of
female, you will need to obtain a special com-
pressed gas cylinder adaptor from your gas
supplier to install between your gas cylinder
and regulator.
-The gas control function does not require
the welder to be turned on or plugged in.
-To avoid damage to your regulator, make
sure you have the regulator valve closed
before opening the cylinder valve.
1. Slowly crack open the cylinder valve, then
turn open ALL THE WAY.
2. Pull the trigger on the gun to allow the gas
to flow. KEEP THE TRIGGER PULLED. Listen
and feel for gas flowing from the end of the
welding gun. If your regulator has no
adjustment, it has been preset at the facto-
ry for a flow of 20 cubic feet per hour. If
your gas regulator has an adjustment to
control the gas flow rate, turn the adjust-
ment key clockwise to increase gas flow;
counterclockwise to reduce flow. For most
welding, the gas flow should be set at 15-
20 cubic feet per hour. If no gas is heard or
felt, verify all steps involved in connecting
the gas.
3. Release the trigger.
Note: If welding outside or in a draft, it may
become necessary to set up a wind break to
keep the shielding gas from being blown from
the weld area.
-MAKE SURE TO TURN OFF THE GAS CYLIN-
DER VALVE WHEN DONE WELDING.
ALIGN AND SET THE DRIVE ROLLER
Before installing any welding wire into the unit,
the proper sized groove must be placed into
position on the wire drive mechanism.
Change the drive roller according to the
following steps:
1. Remove the drive tension by unscrewing
the tension adjusting screw (ALL THE WAY
in a counterclockwise direction). The drive
tension screw will come loose, allowing you
to pull the drive tension arm up away from
the drive roller. Make sure to keep the
screw and the spring in place with the drive
tension arm.
2. If there is wire already installed in the
welder, roll it back onto the wire spool by
hand-turning the spool counter-clockwise.
Be careful not to allow the wire to come
out of the rear end of the gun without
holding onto it or it will unspool itself. Put
the end of the wire into the hole on the
outside edge of the wire spool and bend it
over to hold the wire in place. Remove the
spool of wire from the welder.
3. Loosen the drive roller set screw with the
provided hex wrench and pull the drive
roller off the drive shaft.
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