Leister UNIROOF AT Mode D'emploi page 50

5. Settings on the UNIROOF AT/ST
5.4 How to set the movable transportation axle
Welding close to edges
5.5 Retooling for different welding width
To retool to a di erent welding width, proceed in accordance with the sequence described below.
Step 1: Safety precautions
Allow the device to cool down in Cool down mode.
Before beginning with dismantling work, make sure that the device has been switched o at the main
switch (19) and that the power supply cord (1) is disconnected from the mains.
Step 2: Adjusting the roller width (analogous to the 20, 30, or 40 mm welding nozzle)
1. Undo the two M4 x 12 cheese head screws.
2. Remove the cover plate.
3. Replace the intermediate rings of the drive/pressure roller (8) and the downholder belt (26).
4. Mount the cover plate.
5. Retighten the two M4 x 12 cheese head screws.
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14 18
Base-seam welding
65
• Detach the star knob screw (18) on the
clamping plate for the movable transport
axle (17).
• Bring the movable transport axle (14)
into the required position
(see illustration).
• Re-tighten the star knob screw (18)
on the clamping plate for the movable
transport axle (17).
17
Welding on the roof parapet
(parapet, eaves)