Leister SEAMTEK W-AT Series Manual page 37

Setting the wedge clearance to the wheels
First check that the height of the welding wedge has been set correctly in accordance with Chapter 8.4.
Move the wedge in the Y-direction using the – and + buttons. Position the wedge so that it is in contact with the wheels
along its entire length, as shown in the picture. Confirm with "OK".
Adjusting the X-axis
Then adjust the X-axis alignment of the wedge so that the entire wedge width is in contact with the wheels.
Saving settings
Pressing the foot pedal saves the values and moves the hot wedge back to its initial position.
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