ABB UC Tap Changer and Motor Drive Unit Operation and Maintenance part 1

[@tossapornsangsuan2478]

Thank you so much

[@EngHanyKamel]

You are welcome

[@himanshu2232]

Thank u sir

[@damithrathnayaka5047]

👍👍👍

[@EngHanyKamel]

Thanks

[@srinivasanteja8756]

@@EngHanyKamel what is the size of the headcover O Ring ? Kindly reply me