PRO-POINT 8784720 Mode D'emploi page 16

8784720
SET THE TONG PRESSURE
NOTICE! Do not use the tongs to force ill-matched metal
workpieces together, as this will damage the electrode tips
and result in a poor weld. Fix workpieces with poor contact
points with other methods before welding.
The tongs should only apply enough pressure to create a firm
electrical contact to the combined metal workpieces. The
workpieces should not be able to move once the operating
lever is lowered.
1. Measure the thickness of both metal pieces at the welding
point with a micrometer or caliper.
2. Reduce the measurement by 25%. This is the minimum gap
between the electrodes. A narrower gap may damage the
electrodes and reduce the strength of the weld.
3. Push the lever down and measure the gap between the two
electrodes. Adjust the gap between the upper and lower
tongs (A and C).
3.1 Loosen the front jam nut (E) several turns to decrease
the tong gap.
3.2 Measure the gap. Repeat step 3.1 until the gap is the
correct width.
3.3 Tighten the rear jam nut (G) until it is secure against
the block. Tighten the front jam nut.
3.4 Use the same method to widen the gap, but move the
rear jam nut first, then secure the block with the front
jam nut.
4. Fine adjustments may be necessary after several test welds.
5. The force necessary to press down the operating lever is
adjustable. Tighten the hex nut (H) on each side to increase
the friction and loosen to decrease it. The lever movement
should be smooth to avoid damage to the workpiece or
electrode tips.
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220V SPOT WELDER
For technical questions call 1-800-665-8685
V1.0