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INSTALL THE SHIELDING GAS
WARNING
IMPROPER HANDLING AND MAINTE-
NANCE OF COMPRESSED GAS CYLIN-
DERS AND REGULATORS CAN RESULT
IN SERIOUS INJURY OR DEATH! Always
secure gas cylinders to the welding cart, a
wall, or other fixed support to prevent the
cylinder from falling over and rupturing. Read,
understand, and follow all the COMPRESSED
GASSES AND EQUIPMENT HAZARDS in the
SAFETY SUMMARY at the front of this manu-
al. Secure your gas cylinder to the welding
cart, or other fixed support.
1. Remove the protective cap from the cylinder
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 PRESENT.
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 (Clarke model
WE6540 - sold separately) into the cylin-
der 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
REGULATORS 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 compressed gas cylinder adapter
from your gas supplier to install between
your gas cylinder and regulator.
-The gas control function requires the
welder to be plugged in and turned on.
-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 factory
for a flow of 20 cubic feet per hour. If your
gas regulator has an adjustment to control
the gas flow rate, turn the adjustment key
clockwise to increase gas flow; counter-
clockwise 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
CYLINDER 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.
Figure 8. Feed Motor
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