ABB Softstartéry - opravy, náhradní díly (EN)

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Vydal: ABB s.r.o, ELSYNN Autor: ABB ELSYnn

Strana 29 z 79







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The contact surfaces must dry before lubrication. • Lubricate directly after polishing/cleaning, within minutes. • Drip couple drops silicone oil on the cleaned contact surfaces, avoid getting oil the guide hole. • Use well moistened lint-free paper. • void contact with the surfaces after lubrication. 12. Load side Line side Load side Thyristor 1 Line side Thyristor Black Blue Brown Red -. Place the semiconductor the right direction. Connect the gate cables.10. 13. • Lightly polish the contact surface f semiconductor (the nickel layer must not be polished through) with abrasive cloth P600 which fix flat surface. Rem ove the faulty thyristors. Preparation heat sink and semiconductor. • void contact with surface. • Clean all polished contact surfaces carefully with Ethanol. 11. Smooth the oil lightly over the whole surface using lint-free paper. Then wipe the surface in order get very thin layer oil. Check the semiconductor's symbol and type specification. Mount the guide pins the bottom heatsink