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• Loosen and lower the plastic knob (A) (Fig.5). Release the upper roll (B) of the feeder. Extract
the wire from the torch liner.
• When the wire is disconnected, grasp it with pliers so that it cannot exit from the spool. If
necessary, straighten it before inserting it in the wire input guide (C). Insert the wire on the
lower roll (D) and in the torch liner (E).
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 1/2" from the
end is straight (no curves). Failure to follow these instructions could cause damage
to the liner.
• Lower the upper roll (B) and place the knob (A). Tighten slightly. If tightened too much, the
wire gets locked and could cause motor damage. If not tighten enough, the rolls will not feed
the wire.
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
roll is driven by the inside groove. Feed rolls are marked on
the side identifying the groove nearest that side.
• Close the side panel of the machine. Connect the power supply
cable to the outlet. Turn on the switch. Press the torch
switch. The wire fed by the wire feeding motor at variable speed
must slide through the liner. When it exits from the torch neck,
release the torch switch. Turn off the machine. Mount the contact
tip and the nozzle.
When checking the correct exit of the wire from the torch do not
bring your face near the torch. You may run the risk of being
wounded by the outgoing wire. Do not bring your fingers close
to the feeding mechanism when working! The rolls, when moving,
may crush the fingers. Periodically, check the rolls. Replace them
when they are worn and compromise the regular feeding of the wire.
Replacing the Wire Liner
Before performing this procedure, be sure the gas supply line and input power cable are
disconnected.
• Disconnect the torch from the machine.
• Place it on a flat surface and carefully remove
the brass nut (1).
• Pull the liner out of the hose.
• Install the new liner and mount the brass nut (1) again.
In case you are replacing a Teflon or graphite
wire liner, follow these instructions:
• Install the new liner and insert the wire liner
collet (3) and the O ring (4).
• Mount the brass nut (1).
• Cut the wire liner close to the brass nut
WARNING: the length of the new wire liner must be the same as the liner you have just
pulled out of the hose.
• Connect the torch to the machine and install the wire into the feeding system.
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