Replacing The Wire Liner; How To Choose The Wire Liner For Direct And Euro Connect Torches - Forney 190 MULTI-PROCESSOR Manual De Instrucciones

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.
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" FROM THE END IS STRAIGHT (NO CURVES). FAILURE TO
FOLLOW THESE INSTRUCTIONS COULD CAUSE DAMAGE TO THE LINER.
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 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.
• Pull the liner out of the hose.
• Install the new liner and mount the brass nut 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 and the
O ring.
• Mount the brass nut.
• Cut the wire liner close to the brass nut NOTE: 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.

How to Choose the Wire Liner for Direct and Euro Connect Torches

There are basically two types of wire liners: Steel and Teflon. Steel wire liners can be coated or non-
coated. Coated wire liners are used for air-cooled torches. Teflon wire liners are recommended for
aluminum welding as they allow smooth feeding of the wire.
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