Using the Extractor Hook
1.Thread the Extractor Hook (Pot Hook) onto the slide puller assembly. Fit the extractor hook onto the washer.
2.Hold the Hand grip with one hand, and pull the Striker back sharply against the handle. This action will pull out the dent. Repeat as necessary. You may need to weld on additional washers at various spots to pull out the dent completely.
3.To remove the washers, grip the washer with a pliers (not included), and bend back and forth until the washer breaks off.
4.Using a grinder (not included), remove the weld spot from each repair location before finishing the dent repair.
About Spot Welding
Spot welding is used to join two items of metal together. A high energy electrical force is applied at a small location for a short time. This electrical force causes the two items of metal to melt and fuse together at that spot.
If the electrical force is not large enough, if the duration is too short, or the metal is too thick or is dirty, the weld may not properly fuse.
If the electrical force is too high, if the duration is too long, or the metal is too thin, the metal may burn through; “blowing out” and causing a hole in the work material.
In auto body repair work, washers or pins may be welded to a spot on the vehicle body to allow a dent to be pulled out. The washer or pin is then removed, and the spot ground smooth for finishing. In cases where there is a hole or severely damaged body panel, a new sheet may be spot welded over the damaged area to provide a new surface for finishing.
Proper welding is a skill that takes some time and practice to acquire. Experienced welders will usu- ally make one or more practice welds on scrap material, to adjust these variables, before making welds on the work material.
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