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The purpose is to reduce failures in hydraulic braking systems of motor vehicles which may occur because of the manufacture or use of improper or contaminated fluid. The standard applies to all fluid use of passenger cars, multipurpose passenger vehicles, trucks, buses, trailers and motorcycles equipped with a hydraulic brake system. [1]
A roller brake tester is a method of allowing the dynamic assessment of the braking system of a motor vehicle, whilst the vehicle itself is in a static condition.This type of brake tester is normally used in UK garages when used as part of an inspection lane for the MOT test.
ECE Regulation 90 (abbreviated "ECE R90") is an ECE Regulation specifying design, construction, and performance requirements and test protocols for replacement brake linings for roadgoing motor vehicles and trailers.
The length of the braking test track at the Aldenhoven Testing Center is 150 m, which contains an asphalt and a ceramic pavement lane. Both lanes are 4 m wide and may be wetted as preferred. The braking test lane is surrounded on both sides by a safety zone. A 200 m access acceleration lane is also part of the braking test track. [3]
Rear-end collision is a possible outcome from brake checking. A brake check , also known as a brake test , occurs when a driver deliberately either taps on the brakes several times or slams hard on the pedal when moving in front of another vehicle, with the intention of causing the behind driver to either collide or take evasive action. [ 1 ]
As the S-cam rotates, the two symmetrical brake pads are forced against the brake drum until the pressure is released and the brake pads return to their resting position. [ 3 ] The principle of the S-cam allows the brakes of big vehicles to be more compact and less moving parts, since it only relies on a rotating shaft.
If the rider only brakes with one wheel, this braked wheel tends to lock up faster than if both brakes had been applied. A Combined Braking System therefore distributes the brake force also to the non-braked wheel to lower the possibility of a lock-up, increase deceleration and reduce suspension pitch.
Truck air-actuated disc brake. An air brake or, more formally, a compressed-air-brake system, is a type of friction brake for vehicles in which compressed air pressing on a piston is used to both release the parking/emergency brakes in order to move the vehicle, and also to apply pressure to the brake pads or brake shoes to slow and stop the vehicle.