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•
Switch the unit ON thru the ON/OFF switch (14).
The gas flow is manually controlled with the valve on the TIG torch. Use inert gas
(argon ) only.
CLOSE THE GAS VALVE ON THE TORCH HANDLE. Turn on gas at the gas regulator, then
open the valve on the torch handle and check for gas flow.
STARTING THE ARC BY CONTACT (LIFT ARC)
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Fix the tungsten electrode so that it protrudes approximately 4-5mm from the torch nozzle.
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Set the welding current with the Left Knob (8).
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Position the torch at a distance of 3-4mm so with the nozzle in contact with the work piece at a 45° angle.
•
With a rapid movement short - circuit the tungsten electrode and go back to a distance of 3-4 mm.
Advance the torch maintaining the same distance from the work piece. To stop welding, simply re-
move the torch from the work piece.
REMEMBER to close the gas valve immediately at the end of welding.
MIG (GMAW) AND FLUX CORE (FCAW) WELDING
TORCH CONNECTION
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Plug the torch hose into the socket (11) on the front of the welder having care to not damage the
contacts and secure by hand screwing in the threaded connection.
WIRE LOADING
Ensure the gas and electrical supplies are disconnected. Before proceeding, remove
the nozzle and the contact tip from the torch.
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Open the side panel.
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Loosen the nut of the spool holder (brake drum). In the case you are replacing the wire spool, extract
it.
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Remove the plastic protection from the spool. Place it on
the spool holder.
•
Mount the spacer as shown in the Figure 2 if required for
the spool to be installed.
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Tighten the lock nut.
Tighten nut to appropriate tightness. Excessive
pressure strains the wire feeding motor. Too little
pressure does not allow the proper wire feeding.
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Loosen and lower the plastic knob (A) (Fig.3). Open the
pressure arm (B) of the feeder.
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Disconnect the wire from the edge of the wire spool being
careful to keep tension on the end of the wire.
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Cut off a short section of the end of the wire to insure a
straight end. Insert the the straight end into the wire inlet
guide (C) past the wire feed roll and into the wire liner.
WARNING: keep the torch straight. When feeding a
new wire through the liner, make sure the wire is
cut cleanly (no burrs or angles) and that at least 2 cm from the end is straight (no curves).
Failure to follow these instructions could cause damage to the liner.
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Lower pressure arm (B) and lift pressure adjustment knob (A) into place.
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Adjust the pressure on the wire with knob (A) to insure smooth feeding without slippage. Do not over
tighten the pressure adjustment as it may damage the motor.
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Connect the input power cord and turn on the welder.
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Press the torch trigger and observe the wire feeding into the torch liner.
WARNING: When changing the wire diameter being used, or replacing the wire feed
roll, be sure that the correct groove for the wire diameter selected is inside, closest
to the machine. The wire is driven by the inside groove. Feed rolls are marked on the
side identifying the groove opposite that side.
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Close the welder side panel.
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Squeeze and hold the torch trigger until the wire appears at the end of the torch neck.
•
Turn off the welder and install the contact tip and nozzle.
EN-7
A
B
B
C
D
D
Figure 2
Figure 3
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