Air Brake System Pdf
An pneumatic brake or a compressed air brake system, is a type of friction brake for vehicles in which compressed air pressing on a piston is used to apply the pressure to the brake pad needed to stop the. Before air brakes, trains used a primitive brake system that required an operator, or brakeman, in each car to apply a hand brake at the signal of the train director or engineer.
Manufacturing of compressed air brake system in india, for railway applications in 1981.
Air brake system pdf. Air brake system of lhb coaches is most efficient and reliable braking system used to run long trains at high speeds. The air brake system is used in trucks, buses, trains, etc. The air brake system does this with an electric switch that works by air pressure.
The maintenance & component details of air brake system (ftil type) for coaching stocks are given in this handbook. Page 12 quality heavy duty parts air brake system troubleshooting 1.) before replacing any valve with a new or remanufactured valve, be sure to blow the air. Air brake system is a type of braking system generally used in heavy commercial vehicles or vehicles which require some really powerful and efficient braking system.
If the vehicle is equipped with an adis® air dryer system or a dryer reservoir module, be sure to drain the purge reservoir. Dirt is the greatest cause of premature air valve failure. To indian railway for various freight
Braking takes place by suction from the engine inlet manifold. The study of this manual, together with practical instruction, is recommended for a driver who is preparing for the air brake examination. Check the alcohol container and fill up as necessary, every day during cold weather.
This helps to reduce the risk of ice in air brake valves and other parts during cold weather. Can absorb water from air, that is why we should avoid opening the car’s brake fluid reservoir and the container of the brake fluid should be tightly sealed. When air enters, into the brake system and any brake line is disconnected, bleeding of brakes has to be done.
There are many parts to an air brake system. Explore air brake system of indian railways with free download of seminar report and ppt in pdf and doc format. We hear a “thesis.” sound when the governor cuts out.
In this also when the brake pedal is pressed, air to atmosphere enters the compressor. Ice inside the system can make the brakes stop working. The foot brake system c.
Air brake system troubleshooting 1.) before replacing any valve with a new or remanufactured valve, be sure to blow the air lines out either using the vehicle's own air supply or shop air. The purpose of this maintenance hand book is to enhance knowledge and competence of c&w staff in dealing with. The safe operation of vehicles on roads depends, among other things, on a properly functioning brake system.
Also dot 3 and dot 4 brake fluids eat paint. This type of air brake system is commonly used in heavy vehicles such as buses, trucks, etc. They can react badly with each other and corrode the brake system.
Air compressor uses a certain amount of engine power. The switch turns on the brake lights when you put on the air brakes. Air brake systems combine three different systems.
Gritt 13 10/6/2002 13 diagonal split system in a diagonal split system, one brake line is run to each rear brake and one to each front brake. It is not self lubricating. Also explore the seminar topics paper on air brake system of indian railways with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year mechanical engineering me or production automobile students for the year 2019 2020.
The connections are such that the left front and the right rear brake are on one circuit and the right front and left rear are on the other circuit. Therefore, the system must be free from presence of air. Some air brake systems have an alcohol evaporator to put alcohol into the air system.
Air brake systems are widely used in commercial vehicles such as trucks, tractor. This noise comes from the governor cut out and the discharge from the air dryer. The governor in the air brake system.
They are the service brake system, the parking brake system, and what other? Hydraulic brakes are self lubricating. Air brake system, or any auxiliary pressurized air systems, make certain to drain the air pressure from all reservoirs before beginning any work on the vehicle.
You should know about the parts discussed here. The idea is that the system is fully mechanical and completely by passes the hydraulic system so that the vehicle can be brought to a stop even if there is a total brake failure. Emergency brake) system controls the rear brakes through a series of steel cables that are connected to either a hand lever or a foot pedal.
Bleeding is the process of removal of air from the braking Thus left the side of the servo cylinder piston is exposed to atmosphere and vacuum acts on the right side, which causes the braking effort. A pneumatic brake or compressed air brake system is the type of brake system in which the compressed liquid fluid from the hydraulic system is replaced with the compressed air for applying pressure to the master cylinder’s piston which in turn presses the brake pads in order to stop or decelerate the vehicle.
None of the different types of brake fluids should be mixed. When the required air pressure in the air brake system is reached, the governor shuts off the air compressor, this is called a governor cut out. The compressor may be air cooled or may be cooled by the engine cooling system.
And function of an air brake system. Following the vehicle manufacturer’s recommended The emergency brake system b.
Since air is compressible so any presence of air inside brake lining does not allow to transmit brake force to apply brakes. A brake which uses air as working fluid is a pneumatic brake.the system actuated to apply this phenomenon is known as pneumatic brake system. The purpose of this book is to help you construct meritor wabco truck and tractor air systems.
Application of air brakes becomes a necessity in case of. Introduction to brake systems 8/20/2002 p. No engine power is used.
The drum brake system 9. The purpose of an air brake system on heavy duty vehicles is to convert air pressure to mechanical energy to activate the foundation brakes. A large illustration of a complete dual air brake system is located on the inside cover and can be folded out and referred to when studying this manual.
