IGBT MIG-200M, User Manual

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4. Reattach the welding gun's parts, tighten the contact tip and contact tip's adapter to
spanner tightness.
Changing the wire guide
If the wire guide is too worn or totally clogged, change it to a new one according to the
following instructions:
1. Disconnect the welding gun from the machine.
a. Disconnect the cable clamp of the gun's power cable by opening the screws.
b. Disconnect the gun’s power cable from the machine's pole.
c. Disconnect the connector of the trigger conductors from the machine.
d. Open the gun's mounting nut.
e. Extract the gun gently from the machine whereupon all parts come through the front
part's cable hole.
2. Open the mounting nut of the wire guide which exposes the end of the wire guide.
3. Straighten the welding gun's cable and withdraw the wire guide from the gun.
4. Push a new wire guide in to the gun. Make sure that the wire guide enters all the way into
the contact tip's adapter and that there is an O-ring at the machine-end of the guide.
5. Tighten the wire guide in place with the mounting nut.
6. Cut the wire guide 2 mm from the mounting nut and file the sharp edges of the cut round.
7. Reattach the gun in place and tighten the parts to spanner tightness.