With this ball bearing and needle bearing extraction set, the screwdriver has all the options for gentle bearing disassembly! For most bearing inner diameters, the set contains the optimally fitting extractor The respective extractor expanding mandrel is inserted into the bearing to be dismantled, tightened with the expanding screw provided and then the area around the bearing is heated evenly with an open flame or hot air gun (old locksmith rule: it's hot enough if the spit evaporates immediately - so you can spit into the engine!) and then quickly screw in the supplied impact ejector and with a few blows of the ejector weight knock the bearing out of its seat!
Inexperienced screwdrivers should first practice on a wrecked engine to avoid paying a lesson on the rare "first series engine"! FAZIT:
A top tool in workshop quality!
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