Leister SEAMTEK 2000 AT Operating Instructions Manual page 45

3.2 Now use the rod to adjust the height of
the welding roller.
Caution:
Following the adjustment process, tighten the
nuts.
4.1 Detach the screws (8, G)
on both sides.
4.2 Manually move the welding arm
backward or forward.
Caution:
Following the adjustment process, tighten the
screws.
5.1 Detach the safety screw on both sides
(8, H)
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