Properties Data Diameter [mm] 80

This happens because the air pressure holding back the heavy parking/emergency spring dissipates allowing the spring to extend the pushrod which in turn applies the brake

Mercedes-Benz M-Class (W164) (please check exact vehicle application) - Light Design: Halogen/FF/DE - Lamp Type: PY21W/WY5W/H7/H7/W5W

MERITOR : TT25

EBS 02.01.2430.551 SPRING BRAKE - CAM - TY24/30 ( 9254315510 ) Aviation Spanners Properties Data Diameter [mm] 80Brake chambers are used on truck and trailer air brake systems, located at each wheel, where compressed air is converted into a mechanical force used to apply the brakes and stop the vehicle. They are also designed to apply the the brakes automatically in the event that there is a loss of system air pressure. This happens because the air pressure holding back the heavy parking emergency spring dissipates allowing the spring to extend the pushrod which