Product Guide - A. Stucki Company

Side BearingsResilient Element: Resilient elementsshould be checked for cracks, gouges,or heat damage. Some elements (RB-17,RB-46, RB-56, RB-57, RB-58, RB-59, CSBcolumn) are composed of a single material,while others consist of two materials. Ingeneral, most dual material block designswill exhibit slight separation at the horizontalinterface of those two materials afterseveral months in normal service. Blocksshowing superficial horizontal separationdo not need replaced. As a rule, if theinterface can be manually opened to reveal50% or more of the interface surface, theblock should be replaced. Vertical cracksare acceptable unless there are more thantwo cracks, greater than 1/2” in lengthlocated in the lower, springing portionof the block. Cracks located below thewedge shaped metal cap do not affect itsperformance.www.stucki.com45