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16
Wire Installation and Set Up Guide
Again the importance of smooth consistent wire feeding during MIG welding cannot be emphasized enough.
The correct installation of the wire spool and the wire into the wire feed unit is critical to achieving an even and
consistent wire feed. A high percentage of faults with mig welders emanate from poor set up of the wire into the
wire feeder. The guide below will assist in the correct setup of your wire feeder.
(1) Remove the spool retaining nut. (3) Fit the wire spool onto the spool holder
tting the locating pin into the location hole
on the spool. Replace the spool retaining nut
tightly
(2) Note the tension spring adjuster
and spool locating pin.
(7) Check that the wire passes through the
centre of the outlet guide tube without touch-
ing the sides. Loosen the locking screw and
then loosen the outlet guide tube retaining
nut too make adjustment if required. Carefully
retighten the locking nut and screw to hold
the new position.
(4) Snip the wire carefully, be sure to hold the wire
to prevent the spool uncoiling. Carefully feed the
wire into the inlet guide tube of the wire feed unit.
(5) Feed the wire through the drive roller and into
the outlet guide tube of the wire feeder.
(6) Lock down the top pressure roller and
apply a medium amount of pressure using
the tension adjustment knob
(8) A simple check for the correct drive tension
is to bend the end of the wire over hold it about
100mm from your hand and let it run into your
hand, it should coil round in your hand without
stopping and slipping at the drive rollers, increase
the tension if it slips.
(8) The weight and speed of the wire spool
turning creates an inertia that can cause the
spool to run on and the wire loop over the
side of the spool and tangle. if this happens
increase the pressure on the tension spring
inside the spool holder assembly using the ten-
sion adjustment screw.
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