Pulleys: with freewheel belt pulley - Belt Pulley Ø: 70

WABCO : 9254921020

4 kg Cross References MERCEDES BENZ : 0003520840

WABCO : 9254811560

EBS EKPP.4.2 REPAIR KIT – WEDGE BRAKE - Z CAM Power Start Pulleys: with freewheel belt pulleyThe Automatic Slack Adjuster (ASA) is a vital part of the foundation brake acting as a lever, forming the connection between the actuator & the camshaft. When the brake is applied the actuator moves the ASA forward. The worm wheel rotates the camshaft, in turn moving the brake lining toward the brake drum & diss engages when it reaches the drum. When the brake is released the reacting force drops & the ASA mechanism re engages. If excess clearance