12000 lbs lantarki hangerA ciki aiki inji ne: da wutar lantarki daga mota da farko drive motor, sa'an nan kuma motor drive drum ƙafafun juyawa, drum ƙafafun sa'an nan drive aiki shaft, aiki shaft sa'an nan drive duniya kayan aiki, sa'an nan samar da karfi juyawa. Bayan haka, an mayar da ƙarfin lantarki zuwa ƙafafun drum, kuma ƙafafun drum yana motsa hanger. Akwai clutch tsakanin motor da reducer, wanda za a iya canzawa ta hanyar hannu. Na'urar birki tana cikin ƙafafun drum, lokacin da ƙafafun drum ya kulle ta atomatik.