Electric hoist brake is not strong how to do?

Electric  Rope hoist  is mainly used in garages warehouses, shopping centers, residential buildings, factories, mines and small individual workshops, as  lift hoist  can be used for any angle of moving, lifting, loading and unloading, it is widely used in small residential, high-rise building decoration, hanging slabs, etc. , individuals must also be a common mechanism. However, the use of electric hoist brake is often the case is not strong or failure, the following introduces you to encounter the same problem that how to do?
Electric hoist
1 wheel brake shoe and brake gap adjustment. The solenoid armature to push on a core, then shot actuator release, and then adjust the screw, the left and right wheel and brake shoe clearance equal.
(2) to adjust the length of the spring work. Whole tone nut, the nut with a wrench clockwise, compressing the main spring to stretch to increase, so that when the brake shoe hold even tighter.
3 solenoid armature adjustment. Will be a wrench to pull the lock nut with another wrench to turn the brake spring plunger l, square head, according to the provisions to adjust the stroke solenoid armature stroke.
4 should hoist installed in vision, flat place, easy to hoist personnel to observe the driver and conductor. Heavy hoist mounted at a distance outside 15m. As with mast crane, its distance not less than the height of the mast.
5 hoist electrical equipment should be grounded, electrical switches should guard.
6 hoist shall be securely fixed. According to the situation, the use of fixed or pit anchor anchor fixation. When traction is large, but also in front of the elevator support.
7 If hoist use a longer time, you should erection of canopy to prevent rain and snow wet hoist and hoist base underlay to sleepers.
8 after use, should be wiped clean electric wire rope hoist , wire rope neatly wound on the roll, stored in a dry place.