How to maintain the brake of overhead crane?
The brake plays a very important role at overhead crane, if the overhead crane don’t have brake, 
just like the car doesn’t have brake. So we should check the brake regularly .
1, the friction surface keep excellent without greasy dirt.
2,the action of all of parts of brake keep normal.
3,the movement of hinge joint keep smooth.
4,spring and tie-plate don’t be damaged and cracked.
5, the electro-hydraulic thruster keep normal without oil leak and permeability.
6,the installing height of puller is suitable or not.
7,the brake-shoe should stick the brake pulley closely.
8, the return distance between the brake-shoe and brake pulley should keep equality.
