Hello,
make your own tools. A copper plate as if it were to file the saw teeth are prepared. The three peaks will comply with the distance between the foot transistors. This edit least a 100W soldering tip and move on. Asawhole this must be heated in all three legs. But before you choose all the transistors of the cooling disk. Good job.
best regards, Laci
This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.