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Figure 7. Wire Installation
5. If you are installing a four-inch spool of
wire, install the drive brake hardware on
the top of the spool of wire according to
figure 8A. If you are installing an eight-inch
spool, install the spindle adapter and drive
brake hardware as shown in Figure 8B.
The purpose of the drive brake is to cause
the spool of wire to stop turning at nearly
the same moment that wire feeding stops.
Figure 8A. Drive
Brake Hardware
Installation
6. Once the drive brake hardware is installed,
set the spool tension.
a) With one hand, turn the wire spool and
continue turning it while adjusting the
tension on the spool.
b) With your free hand, tighten (turn clock-
wise) the drive tension adjustment knob.
c) Stop tightening when drag is felt on the
wire spool that you are turning, then stop
hand-turning the wire spool.
Figure 8B. Spindle
Adapter and Drive
Brake Installation
Note: If TOO MUCH tension is applied to the
wire spool, the wire will slip on the drive roller
or will not be able to feed at all. If TOO LIT-
TLE tension is applied, the spool of wire will
want to unspool itself. Readjust the drive
brake tension as necessary to correct for
either problem.
7. After checking to make sure that your
welder is disconnected from the ac power
source, free the leading end of the wire
from the spool, but do not let go of it until
told to do so, or the wire will unspool itself.
8. Using a wire cutter, cut the bent end off
the leading end of the wire so that only a
straight leading end remains.
9. Loosen the tension adjusting knob holding
the drive tension arm in place and lift the
tension arm up off the drive roller.
10. Insert the leading end of the wire into the
inlet guide tube. Then push it across the
drive roller and into the torch assembly
about six inches.
CAUTION
Make certain that the welding wire is actually
going into the torch liner. Be very sure it has
not somehow been accidentally been routed
alongside the liner or even in some other
direction. If this should happen, the wire
could feed inside the cable casing or take a
right angle and follow the wires and gas hose
inside the welder. It could also feed back on
itself jamming up the mechanism.
11. Line the wire up in groove of the drive
roller, then allow the drive tension arm to
drop onto the drive roller.
12. Flip the quick release drive tensioner back
up into position on the drive tensioner arm.
13. Tighten (turn clockwise) the drive tension
adjusting knob until the tension roller is
applying enough force on the wire to pre-
vent it from slipping out of the drive
assembly.
14. Let go of the wire.
15. Connect the welder power cord to the ac
power source. Turn the welder ON. Set
the VOLTAGE switch to the voltage (heat)
setting recommended for the gauge metal
that is to be welded. Refer to the label
mounted on the cover, inside the drive
compartment, for recommended voltage
(heat) settings for your welding job. The
VOLTAGE selector controls the weld
13
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