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•
Hold the torch on its side, on a flat surface and carefully remove the upper cover by unscrewing
the securing screws (4). Take care not to disturb the components within, so that you can take note
of their exact position.
•
Lift out the gas valve (5) and remove the liner (6) by unscrewing its head (7) using a wrench.
•
Straighten the torch hose and pull the liner completely out of the hose.
•
Thread the power cable eyelet into the liner head .
•
Screw the new liner into the gas valve (5).
•
Re-assemble the torch, taking care to ensure that all the components are correctly seated. Do not force
the two halves of the handle together, ensure that the dowel is lined up before tightening the screws.
•
Replace the torch in the torch support bracket (3).
•
Mount the upper cover (3) of the torch by fixing the screws (1-2).
•
Measure the wire liner and trim it back, using a good pair of side cutters, so that there is no more
of 2mm gap (7) between the end of the liner and the feed roller. Take care to ensure there are no
burrs or sharp edges which may impede the progress of the wire when fitted.
•
Install the wire into the feeding system and close the side panel.
In case of direct connection (fig.11) :
•
Remove the screws (1) securing the torch support bracket (2).
•
Unscrew the brass nut (3) from the torch hose end and remo-
ve the torch from its place.
•
Remove the nozzle and the contact tip.
•
Pull the liner (4) out of the hose.
•
Thread the new liner into the hose to the torch neck.
•
Replace the torch were it was.
•
Mount the brass nut (3) and the plastic support bracket (2)
again.
•
Measure the wire liner and trim it back, using a good pair of
side cutters, so that there is no more of 2mm gap between
the end of the liner and the feed roller. Take care to ensure
there are no burrs or sharp edges which may impede the
progress of thewire when fitted.
•
Install the wire into the feeding system, mount the nozzle and
the contact tip again and close the side panel.
Euro Connection (fig.12):
•
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 wire liner, follow
these instructions:
•
Install the new liner and take care to insert also the
O ring (3) on the wire liner collet (4).
•
Install the collet on the wire liner and replace 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 of the liner you have
just pulled out of the hose.
•
Connect the torch to the machine and install the wire into the feeding system.
8.1
HOW TO CHOOSE THE WIRE LINER fOR DIRECT AND EURO CONNECTION
TORCHES
Mainly we can have 2 types of wire liners: Steel wire liners and Teflon wire liners.
• The steel wire liners can be coated or not coated: the coated wire liners are used for air cooled torches;
the wire liners which are not coated are used for water cooled torches.
• The Teflon wire liners are suggested for the welding of Aluminium, as they allow a smooth feeding
of the wire.
Colour
Diameter
32
-ENGLISH-
BLUE
RED
Ø 0,6-0,9
Ø 1,0-1,2
1
2
4
3
5
1
1
2
STEEL
YELLOW
Ø 1,2-1,6
FIG. 11
FIG. 12
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