WIDMANN MIG/TIG/MMA-160 Manuel Utilisateur page 7

NOTE! Use a shielding gas suitable for the material's welding. Fix the gas bottle
securely in an upright position before installing the control valve.
3.4 FILLER WIRE
The machine is delivered with the welding gun connected to + pole making it
suitable for steel solid wire welding without adjustments.
3.4.1 Changing the feed roll groove
The feed roll groove is factory set for welding filler wires of 0.8/0.9 mm diameter.
The feed roll groove must be changed if you use 1.0 mm thick filler wire.
1. Open the feed roll from the pressure control lever.
2. Switch the machine on from the main switch.
3. Press the welding gun trigger and drive the feed roll in such a position that it's
locking screw is up and can be opened.
4. Switch the power off from the main switch.
5. Open the feed roll locking screw with a 2.0 mm Allen wrench approximately half a
turn.
6. Pull the feed roll from its shaft.
7. Turn the feed roll and reinstall it to its shaft all the way to the bottom making sure
that the screw is on the shaft's level.
8. Tighten the feed roll locking screw.
3.4.2 Threading the filler wire
1. Open the reel housing by pressing on the opening button and install the wire reel in
such a way that it rotates counter clockwise. You can use l kg (100 mm) wire reel in
the machine.
2. Attach the reel with a reel lock.
3. Unfasten the wire end from the reel, but hold on to it all the time.
6