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10 Preparing the Welding Gun
10.2
Mounting the Chuck
22
‹ Carefully retighten the chuck on the four fins with pliers
at regular intervals.
This ensures good current conduction. This prevents pre-
mature wear due to spark erosion.
‹ Loosen the retaining nut on the piston of the welding
gun.
‹ Stick the chuck into the piston up to the stop block.
‹ Tighten the retaining nut again with the 17 mm socket
wrench.
‹ When doing so, make sure the bellows are correctly
positioned.
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