HBS 93-20-270, Operating Manual, Page: 19 / 66

A 12 Order No. BA 93-20-270 Issue 01.03.08 19
4.2 Adjustment of Projection (Plunging Depth)
Set the burnoff (plunging distance, projection). You will find reference
values in the operating manual of the power unit used.
Clamp the tripod column with the knurled screws.
4.3 Adjustment of Lift
Draw the adjustment wheel backwards out of its locking position.
By rotating the adjustment wheel counter-clockwise, you can adjust the required
lift value in steps of 0.2 mm (distance between 0 and 0,2 mm is required to set-
up the internal adjustment wheel of the length compensation device)
Now push the adjustment wheel, back into its locking position.
4.4 Adjustment of Spring Force
Rotate the adjustment wheel to the selected reference value to set the effective
pre-tensioning of the spring.
Depending on your welding job, you may change the spring tension individually.
Rotating the adjustment wheel clockwise: spring pre-tensioning of welding piston
is decreased.
Rotating the adjustment wheel counter-clockwise: spring pre-tensioning of
welding piston is increased.