What kind of brakes do all big trucks use?
When the driver depresses the brake pedal, the gas first opened, high pressure gas storage cylinder to the relay valve. The control valve of the piston after launch, then another gas reservoirs can adoptive pneumatic valves and two rear brake pump connected. Brake push rod pump put forward by adjusting the back. The cam rotation of a cam angle is eccentric, rotating the brake shoes and brake friction to the open brake effect.
Air brake pump is driven by the engine, the air is compressed to high pressure gas stored in the gas cylinder. One cylinder can pipeline to brake pump connected. Brake pump consists of two chambers, the rear wheel control chamber, the lower chamber to control the front wheel
Large trucks generally use pneumatic brakes.
