Kemppi RA - Manual (Page 18)

EN
NOTE! Mount the lower feed roll, ensuring that the pin on the shaft fits in the cut on the feed roll.
4.8 Changing the feed rolls
Kemppi feed rolls and gun liners are colour-coded in order to make identification easy. Make
sure that you select appropriate feed rolls/groove size, welding gun contact tip and gun liner
for the filler wire used.
1. 2.
5.
3.
4.
to change the feed rolls:
1. Pull and release the pressure tension arm.
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 pressure tension
arm.
6. Adjust the pressure tension as instructed in the earlier section.
Kempact RA 181A, 251R, 251A, 253R, 253A, 253RMV, 253AMV, 323R, 323A, 323RMV, 323AMV
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