CA2870401A1
A hydraulic system 46 for controlling the position of a movable jaw of a jaw crusher comprises a hydraulic cylinder 28 having a piston 34 comprising a piston rod 36 for positioning the movable jaw 2 The hydraulic cylinder 28 comprises a bore side space 42 for containing a hydraulic fluid taking up crushing forces exerted by the movable jaw on the piston rod 36 …