OPERATION
tube of the wire feed unit.
(5) Feed the wire through the drive roller (6) Lock down the top pressure roller and apply
and into the outlet guide tube of the wire a medium amount of pressure us-ing the tension
feeder. adjustment knob.
(7) Check that the wire passes through the centre of the outlet
guide tube without touching 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.
(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.
(9) 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
tension adjustment screw.
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