... rope electric hoist is made up by 3 parts: Hoisting mechanism, operating mechanism and electrical control devices. MD1, HMD1 electric wire rope hoist ... in the axial magnetic force power, magnetic force to overcome spring pressure, so that the motor can run. When the power ... above requirements, then it should be adjusted.2.2.2 Operating mechanism CD1, MD1,the mounted rope electric hoist runs by running ...