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The following settings may be used as a guide. The correct
setting for a particular metal combination and wire gauge
will produce a spherical bead. A flattened bead indicates that
the energy setting is too high.
Wire Diameter (mm)
Switch at "LOW" 0.1
Using scrap material, use the "Medium" range and try a
weld. Increase or decrease the setting incrementally until a
strong weld is achieved without undue thinning of the
ribbons. Should the pen tend to stick, trim the end of the
electrode by gently stroking it on the slipstone, making sure
that the end is kept flat and square to the axis of the pen.
Should the plate become discoloured, it may be cleaned
using fine wire wool or metal polish.
To replace or adjust carbon electrode, first turn the welder on
its side and slacken screw on base of argon shield, which
may be then pulled off. Revealing grub screw which holds
carbon electrode in place.
TUNGSTEN:
The tungsten electrode is crimped into a screwed brass bush which
may be unscrewed from the pen assembly for replacement.
Energy Settings
Arc Welding
Switch at "HIGH" 0.3
0.15
0.2
0.25
Resistance Welding
Electrodes
- 8 -
0.5
0.7
0.8
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