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7.3 Pushing-in dents
Small high spots dents caused by overlapping load in the boot or by
beating out with pulling tool can easily be flattened with contact
piece (40) (only for sheets up to 1 mm thickness).
– Insert contact piece (40) into the gun (33).
– Thoroughly tighten union nut.
– Select “pushing in dent” mode with keys CD.
– Select sheet thickness (» projection) with keys EF.
– Fine-adjust with keys GH, if necessary.
– Position welding gun (33) with contact piece (40) on the dent
and press firmly.
– Press button (34) of the gun.
– The welding program performs automatically.
Do not lift off welding gun until the welding time has expired!
7.5 Shrinking sheet metal
– Grind damaged area to a bright metal finish.
– Insert carbon electrode (39) into contact piece of the welding
gun (33).
– Select “anneal/shrink” with keys CD (time controller is now
inoperative).
– Locate the damaged area by finger pressure.
– Position carbon electrode (39) in the centre of the damaged
area.
– Press and keep hold of button (34) of the gun and heat the
metal sheet with spiral motions from the centre outwards.
– Immediately quench the sheet with a wet cloth or compressed
air.
Repeat if necessary.
If necessary, the degree of annealing can be increased or
decreased by one increment with the keys EF.
Danger!
The carbon electrode becomes red-hot!
Danger of injury and fire!
Wear protective gloves!
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