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4. Insert the gas hose into the outlet port of the gas regulator.
The hose locks in place in the fitting when pressed into the
port.
5. To remove the gas hose, press down on the ring at the rear
of the gas fitting, and pull the hose out of the fitting.
CHECK THE GAS FLOW
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 does not require the welder
to be turned on or plugged in.
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 pre-set 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; 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 windbreak 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. Change to a neoprene drive roller when welding
with aluminum wire.
Note:
Your unit is shipped with wire installed and the
standard drive roller is already positioned for the
included wire.
STANDARD DRIVE ROLLER
Change the standard drive roller according to the following
steps:
1. Remove the drive tension by unscrewing the tension
adjusting screw (ALL THE WAY in a counter-clockwise
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 setscrew and pull the drive roller off
the drive shaft.
Note:
The drive roller has two wire size grooves built into
it. When installing the drive roller the number
stamped on the drive roller for the wire size you are
using should be facing away from you. If you can
read the wire size you are using on the drive roller,
it is installed backwards. Use only the proper size
drive roller when using your welder.
4. Find the side of the drive roller that is stamped with the
same wire diameter as that of the wire being installed (see
Figure 4, and if in metric, see DESCRIPTION). Make
certain the spacing washer is still on the motor shaft and
push the drive roller onto the motor shaft, aligning the
setscrew with the flat side of the drive shaft. Make sure the
side stamped with the desired wire diameter is away from
you.
Drive Roller
Figure 4. Drive Roller
5. Slide the roller onto the shaft so that the groove in the roller
lines up with the inlet tube and the welding gun liner. You
can look at the alignment from the top of the welder.
6. Tighten the setscrew, while holding the drive roller in place.
NEOPRENE DRIVE ROLLER
Change to the neoprene drive roller (not included with unit)
according to the following steps:
1. Remove the drive tension by unscrewing the tension
adjusting screw (ALL THE WAY in a counter-clockwise
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 setscrew in the standard drive roller and
remove it and the spacing washer from the drive shaft.
4. Do not use the spacing washer. The spacing washer is for
use with the standard drive roller only. Save the spacing
washer with the standard drive roller.
5. While holding the side of the neoprene drive roller that has
the setscrew toward you (see Figure 5), push the neoprene
drive roller onto the motor shaft as far as it will go. Align
the setscrew with the flat side of the drive shaft.
Motor Shaft
Spacing
Washer
9
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