Dear sbrmilitia: why you comments like that. i am Qualified and well known person.........i am asking in this forum for my educational purpose..... we have OTIS elevator from 10 year we used it maintained it. we have qualified Staff, Drawing,
and Soft copy Of service tool
otis
..
but some time we faced problem that is unbelievable....

and lastly we provide safety precaution First than next work.......Sbrmilitia Specially Thanks ..........and good wishes.........