Changing The Feed Rolls - Kemppi FitWeld 300 Operating Manual

2.5.5 Changing the feed rolls

The FitWeld 300 standard delivery package is set up for welding with 1.2mm filler wires.
However, there are different feed rolls for different welding wires, so you may occasionally
need to replace the feed rolls.
Kemppi feed rolls and gun liners are colour-coded in order to make identification easy.
To change the feed rolls:
1. Pull and release the pressure tension arm via the aluminium head above the orange
plastic adjuster.
2. Lift the upper feed roll on its pivot to the maximum open position.
3. Pull out mounting pin of the upper feed pressure roll and replace the roll with a new one.
4. Open the locking screw of the lower feed roll and replace the roll with a new one.
5. Return the upper pressure feed roll to its down position and replace the locking arm
latch.
6. Adjust the pressure tension as instructed in the earlier section.
1.
When using hard, flux-cored filler wires you should select a knurled feed roll to achieve better
grip.
© Kemppi Oy / 1202
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