Isivalo somnyango we-lifti ye-Xizi Otis Mitsubishi universal hall door jack

Isivalo somnyango we-lifti siyidivayisi yokuphepha efakwe onqenqemeni lomnyango we-lifti, esetshenziselwa ukuqapha nokulawula isimo sokuvuleka nokuvala komnyango we-lifti. Uma umnyango we-lifti uvinjiwe ngesikhathi senqubo yokuvala, isivalo somnyango sizozwa futhi simise ngokushesha isenzo sokuvala umnyango ukuze sigweme ukucindezelwa noma ukulimala.