from hex bolts to stud bolts on the pillow block (referred to as jaw crusher bearing hold down bolts in SB 0607 and Technical Bulletin 0601) to prevent bearing bolts from coming loose. This bulletin only applies to jaw crushers with hex bolts installed on the pillow block. Parts and labor will only be covered if the unit
Abstract: An apparatus for mounting impeller blocks to the turntable of a centrifugal impact crusher is provided. Each block defines a bore that extends between its forward and back faces, with the bore including an enlarged cavity region in communication with the forward face of the block.