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3.
Fit the wire spool onto the spool holder. Fit the locating pin into the location hole on the
spool (Fig. 10). Replace the spool retaining nut tightly.
4. Choose a drive roller based on the thickness of the welding wire. Unscrew the knob holding
the drive roller in place and exchange the drive rollers. Replace knob and tighten.
4.1 Flux-Cored – Install a knurled drive roller. Apply a light amount of pressure to the drive
roller. Too much pressure will crush the cored wire.
4.2 Aluminum - Install a U-groove drive roller.
5.
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 (Fig. 11).
6.
Feed the wire through the drive roller and
into the outlet guide tube of the wire feeder
(Fig. 12-1). Note that the pressure roller in
this welding machine is smooth, not geared
as in the picture.
7.
Lock down the top pressure roller (Fig. 13-1)
and apply a medium amount of pressure us-
ing the tension adjustment knob (Fig. 13-2).
8.
Check that the wire passes through the center
of the outlet guide tube without touching the
sides (Fig. 14-1). Loosen the locking screw
(Fig. 14-2) and then loosen the outlet guide
tube retaining nut (Fig. 14-3) to make
adjustment if required. Carefully retighten the
locking nut and screw to hold the new position.
9.
Remove the gas nozzle and contact tip from
the torch neck (Fig. 15)
10. Press and hold the inch button (Q) to feed
the wire through to the torch neck. Release
the inch button when the wire exits the torch
neck (Fig. 16).
11. Fit the correct sized contact tip and feed the
wire through it, screw the contact tip into the
tip holder of the torch head. Clip the wire
close to the tip (Fig. 17) unless testing the
drive tension in step 12.
11.1 Fit an aluminum contact tip of the
correct size and diameter when using
aluminum welding wire.
12. Fit the gas nozzle to the torch head (Fig. 18).
13. A simple check for the correct drive tension is
to bend the end of the wire over hold it about
4 in. 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 (Fig. 19).
14. Insufficient tension on the wire spool can allow it to spin after the wire feeding mechanism stops,
forcing loops of wire off the spool to become tangled. Increase the pressure on the tension spring
inside the spool holder assembly by adjusting the tension screw if this happens (Fig. 20).
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180 MULTI-PROCESS MIG-ARC-TIG WELDER
Fig. 11
13-2
13-1
Fig. 13
Fig. 15
Fig. 17
Fig. 19
8611311
12-1
Fig. 12
14-3
14-1
14-2
Fig. 14
Fig. 16
Fig. 18
Fig. 20
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