crusher 2 thermal power plant shipsocietyco. Operation and Maintenance of Coal Handling System in Thermal Power Plant [J]Colliery Machine;2011, 32(2):201204 ss door, not attached to the machine or climbing machines, to avoid danger b9 lubriion of coal crusher Bearing lubriion is an important part of coal crusher, the oil should be 1 / 2 to 2 / 3 is appropriate of the oil chamber