18
OPERATING INSTRUCTIONS….cont
Loading the welding wire:
Open the door of the Wire Feed Unit and lift up the wire reel cover.
Retaining Nut
Fit the welding wire over the spool holder so that the wire will feed from the
bottom of the roll.
Refit the retaining nut, and secure in place by tightening it (turn anti-clockwise).
Feeding the welding wire:
Before feeding the wire, you should ensure that the correct wire feed rollers are fitted.
To check / change the roller:
Pull the pressure adjustment knob on the wire feed motor forwards so it takes
the pressure off of the tension arms, (see picture on page 20).
Loosen and remove the roller retaining screw.
The size of the roller should be clearly marked on the side.
Change as required by simply pulling the roller from the roller shaft.
To refit the roller ensure that the 2 roller drive pins line up with the 2 holes on
the roller.
19
OPERATING INSTRUCTIONS….cont
The wire can now be fed through the torch:
Remove the shroud from the torch by rotating the shroud clockwise and pulling
at the same time.
Remove the MIG contact tip.
Pull both pressure adjustment knobs on the wire feed motor forwards so it takes
the pressure from the tension arms (see above, left).
Remove the free end of the MIG wire from the side of the wire spool, trim off the
distorted end of the wire with a pair of wire cutters;
Hold the wire carefully as it
will try to unwind from the spool.
Feed the wire through the inlet guide spring, over the wire feed rollers and into
Refit and tighten the retaining screw to secure the roller in place.
Roller Retaining Screw
Roller
Drive Pins
Inlet Guide Spring
Guide Tube
Roller
Tension Arm
Pressure Adjust Knob
Pressure Adjust Knob
