Mercedes MBE 900 Engine Brake Repair

Mercedes Engine Brake Repair One of our sports run buses has an engine hold back problem when coasting down hill. The Mercedes MBE 900 has an exhaust brake and an engine brake. Used together they really work well and you can feel it while driving. The engine brake is called a “Constant Throttle Valve” or… Continue reading Mercedes MBE 900 Engine Brake Repair

Basic Air Brake Theory On A School Bus

Understanding The Basics Behind Air Brakes The video below does an excellent job describing how air brakes work. If you are not familiar with the theory behind air brake systems the video will definitely help you understand the basics. Air brakes have come a long way and now they are engineered using ABS technology. With… Continue reading Basic Air Brake Theory On A School Bus

Air Brake Auto Slack Adjusters

Automatic slack adjusters keep a constant clearance between your brake linings and brake drum, approximately 25 thousands of an inch. The push rod travel stays at one and a half inches when the slack adjusters are working properly.They can be adjusted manually (only during installation) and automatically by the operator: by performing a full brake… Continue reading Air Brake Auto Slack Adjusters