jaw crusher toggle rod spring failure,Jaw Crusher Working Principle - 911 MetallurgistA spring loaded tension rod keeps the toggle in its seats. Although the image . rock being crushed in jaw crusher. Measure distance at . Closing crusher opening to less than recommended will reduce capacity of crusher and cause premature failure of shaft and bearing assembly.jaw crusher toggle rod spring failure,Jaw crusher maintenance | Pit & QuarryFeb 1, 2014 . “Successful jaw crusher maintenance requires the right resources, the right tools and the right approach,” says Bill Macini, a service technician. . Macini points to modern crusher designs that incorporate hydraulic tensioning cylinders that replace conventional toggle tension rods and springs.