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5., 8.

6. Open the pressure control arm which then opens the feed mechanism.

7. Thread the ller wire through the wire guide to the wire liner inside the gun cable.

8. Close the feed gear and secure it with the pressure control arm. Make sure that the ller

wire runs in the feed roll groove.

9. Adjust the ller wire compression with the pressure control arm, no higher than to

the middle of the scale. If the pressure is too high, the feed rolls may remove metal

fragments from the wire surface. On the other hand, if the pressure is too low, the feed

gear slips and the wire does not feed and run smoothly.

10. Switch on the welding machine.

11. Press the welding gun trigger and wait for the ller wire to exit the welding gun.

12. Close the wire cabinet door.

NOTE! When feeding the welding wire into the gun, be sure that you are not pointing the gun at

anyone and that there isn’t anything in front of the gun. Also, do not put your ngers near the feed

rolls, because they might get trapped

2.7.3 Reversing polarity

Some ller wires are recommended to be welded with the gun in the –pole, so the polarity

should be reversed. Check the recommended polarity from the ller wire package.

1. Disconnect the machine from the mains.

2. Expose the terminal connections by bending the protective rubber covers away from the

terminal.

3. Remove the terminal tightening nuts and washers. Note the correct order of the

washers!

4. Interchange the cables.

5. Install the washers in place and re-tightening the securing nuts.

6. Replace the rubber terminal covers. The rubber covers must always protect the terminals

during use.

Kemppi MinarcMig Evo 170 User Manual

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