The sound level is directly related to the amount of boost in the. Wabco academy offers a range of technical training programs featuring the installation, diagnosis, and maintenance of commercial vehicle air braking systems. Documents while the site is still under construction, find additional technical documentation on our wabtec technical information site, a repository of parts catalogs and other product documentation provided by wabtec corporation. Modeling the air brake system equipped with the brake and relay. Wabco air brake valves wholesale, valves suppliers alibaba. This includes air assisted and hydraulic clutch actuation systems, pneumatic and electronic air suspension control systems and various levels of product delivery.
Air brake endorsement permits the holder to drive vehicles equipped with air brakes in class of vehicle for which the driver is licenced. The study of this manual, together with practical instruction, is recommended for a driver who is preparing for the air brake examination. The alberta air brake program has been updated to ensure information is current and to. Air brake direct a leading uk based supplier of air brakes and air brake systems, parts and connections. Trailer air brakes are operated by the tractor air supply through a series of relay and check valves. Our aim is to meet any of our customers needs and offer a fast and efficient service. When the brake valve 15 is actuated, compressed air flows via the abs solenoid control valve 39 into the brake chambers 14 of the front axle and to the loadsensing valve 18. Association of american railroads s477 manual of standards and recommended practices md02 appendix a. 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. After completing the training, the participant can describe the structure and the mode of operation of compressed air brake systems in trucks, buses and trailers. Based in bristol, we stock a wide and extensive range of air brake parts and components suitable for every make and model on the market. When air is cooled, some of the water vapor it holds will condense. Mgms patented estroke electronic brake monitoring system for drum brakes is now in its third generation, and provides quick accurate brake stroke status information for any airbrake equipped vehicle with exposed pushrod brake chambers.
The air brake system of a trailer is entirely dependent upon the air brake system of the towing vehicle for its air supply and control. Selfstudy programme 208 air conditioner in the motor vehicle. This is mounted to the end cover of the brake caliper. This includes air assisted and hydraulic clutch actuation systems, pneumatic and electronic air suspension control systems and various levels of product delivery interlock systems. It is actuated mechanically via a diaphragm brake cylinder or. Requirements for air brake endorsement must complete an air brake written test. Braking distance the actual distance a vehicle travels after the brake is applied until the vehicle stops. Air suspension bellows are used as elastic constructional elements between the axle and the vehicles superstructure. Remanufactured wabco air compressor, competitive remanufactured, cummins flange mount.
This is possible both when the vehicle is at a standstill and when it is in operation. Guaranteed seal protection for disk brake actuators larger size range lighter, shorter pro. The purpose of this book is to help you construct meritor wabco truck and tractor air systems. Reading air brake diagrams tp2006 september 2001 4 part i. The haldex modult is an air disc brake platform developed for the purpose of meeting increased customer demands on performance, robustness, service uptime and weight. Wabco s singlepiston air disc brakes are the gamechanging evolution of braking technology that help to achieve higher safety and braking efficiency levels with consistently high performance, even in extreme conditions. A straight truck or bus air brake system would not leak at a rate of more than how many psi per minute with the engine off and the. Equipped on more than 1 million trailers, meritor tire inflation system mtis harnesses your trailers existing air supply to keep your tires fully inflated when your vehicle is in operation, helping to save you money and adding profit to your bottom line. Description of the mechanical sliding caliper disc brake 1. This manual is presently used by a number of jurisdictions in canada and the united states. Ticking noise in air system air systems and brakes. Air brake systems is an authorised distributor for most of the worlds leading brands, including wabco, bendix, haldex, sealco, midland, knorrbremse, kongsberg and fte. It must be completed and the air brake q endorsement added to your alberta operators licence before operating vehicles equipped with air. Wabco s air disc brakes have provided excellent customer satisfaction for many years.
Upon graduation, attendees can carry out the testing and adjustment of compressed air brakes systems and equipment as well as the resulting maintenance and repair jobs. In the air dryer, the water vapour in the air is extracted and expelled. Ecp finally taking hold thanks largely to a muchneeded jump start from the fra, electronically controlled pneumatic brakes are off and running. Dec 07, 2015 documents while the site is still under construction, find additional technical documentation on our wabtec technical information site, a repository of parts catalogs and other product documentation provided by wabtec corporation. This valve reverses and the air flows via the abs solenoid control valve 40 into the service brake portion brake chambers of the tristop spring brake. The brake ng 22 is a new developed onepiston brake, which is intended for use in commercial vehicles and trailers on front and rear axles for 22,5 wheel rims as service, auxiliary and parking brake. May 30, 2019 in ontario, most large commercial vehicles are equipped with an air brake system.
The air brake manual has been prepared by nova scotia department of service nova scotia and municipal relations to assist drivers in understanding the basic operation and function of an air brake system. Wabco parts catalogue 2014 truck components 1 suction strainer 14 brake chamber 2 compressor 15 foot brake valve 3 air dryer 16 park brake valve 4 four circuit protection valve 17 trailer control valve 5 reservoir circuit 2 front brakes 18 relay load sensing valve 6 reservoir circuit 1 rear brakes 19 spring brakes. Cojali manufactures one of the widest braking system ranges for the truck, bus and trailer market. Parts of an air brake diagram the design of any air brake valve is more easily understood by recognizing some major components and parts. This endorsement permits the holder to drive vehicles equipped with air brakes in the class of vehicle for which the driver is licensed. Incorporating more efficient products can lead to leaner operations and improved fleet productivity. Association of american railroads s477 manual of standards. The highly successful pan range became an industry byword for lightweight design and proven reliability, outperforming conventional drum brakes across a broad spectrum of applications. This valve operates only at 4bar pressure and once the system pressure goes below 4bar valve immediately becomes inactive and applies the parking brake to ensure safety. With the help of an air conditioner it is possible to produce at the air outlets a temperature which is much lower than high outside air temperatures.
The purpose of an air brake system on heavy duty vehicles is to convert air pressure to mechanical energy to activate the foundation brakes. The compressor generates the compressed air for the whole system. This force is transmitted rotationally through the camshaft. The emergency brake system uses parts of the service and parking brake systems to stop the vehicle in a brake system failure. Air brake system consists of the following components. The purpose of this handbook is to introduce you to the knowledge and skills you need to drive a vehicle with air brakes in a safe and lawful manner. This course covers the complete air brake system set out by the alberta solicitor general, motor vehicles division and leads to the alberta air brakes q endorsement. Class 1 saaq quebec mtontario handbooks commercial guide alberta professional manual manitoba.
Since its internal friction is less than that of mechanical suspension systems, the air. This distance depends on the ability of the lining to produce friction, the. 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. To adjust manual slack adjusters, the operator must hold an. Explore air brake system of indian railways with free download of seminar report and ppt in pdf and doc format. Clean work areas with a vacuum equipped with a hepa filter or b y wet. Federal motor vehicle safety standard 121 dictates how this is to be done for overtheroad vehicles. Air brake direct air brake uk supplier uk supplier of air. Air brake direct air brake uk supplier uk supplier of. The highly successful pan range became an industry byword for lightweight design and proven reliability, outperforming. It is actuated mechanically via a diaphragm brake cylinder or a spring brake actuator. Air from the compressor is given to various channels only through this valve.
A wide variety of wabco air brake valves options are available to you, such as free samples, paid samples. Air brake system of indian railways seminar report, ppt. The alberta air brake program has been updated to ensure information is current and to provide albertans with a higher standard of air brake education. Maxxtm is the latest, lightest and best performing range of singlepiston air disc brakes the maxx range fits all sizes of commercial vehicles from light trucks to heavy duty vehicles. A p r i l 2 0 1 6 1001 air brake avenue, wilmerding, pa 15148 phone. Never use compressed air by itself, dry brushing, or a vacuum not equipped with a hepa filter when cleaning brake parts or assemblies. For more than 20 years, meritor has reduced industry concerns with tire pressure loss. Students learn how the air brake system is maintained and operated in the most effective manner, inspection of the. As you consume air and the pressure drops towards 100, before the beginning of the charge cycle i get a ticking noise. It also provides training from electronically controlled braking and driving dynamics control systems developed and manufactured by wabco. Compressed air supply the compressed air supplied by the compressor 1 flows to the air dryer 3 via the unloader 2 which automatically controls the pressure within the system within a range of between 7. Download the air brake manual in pdf format download download the air brake manual guide for instructors in pdf format download to open the air brake manuals you need to install adobe reader online tests all canada b.
You must have an air brake endorsement on your drivers licence to drive these vehicles. A technical sideeffect of air conditioning is that the air is dehumidified and cleaned at the same time. Wabco has 12,000 employees in 39 countries and was founded in 1869 nyse. The cooling effect of the coil and the reservoir itself will remove about. Students learn how the air brake system is maintained and operated in the most effective manner, inspection of the brake system, and ensuring road worthiness. As of may 15, 2012, the revised air brake program will be implemented and air brake knowledge tests will be conducted by registry agents. Air brake systems stocks all air brake components from the compressor to the slack adjuster or air disc brake calliper including a full range of service exchange air compressors. New york air brake, whose ep60 system architecture is represented here, wabtec railway electronics, and zeftron. Department of transportation national highway traffic safety administration laboratory test procedure for fmvss no. Air dryer purges at 120 or so and the truck holds air fine.
Therefore, the air air brake system of the towing vehicle must be in good condition. An air brake endorsement is only required if your vehicle needs a cdl. Wabco haldex knorr bremse air brake systems, presov, slovakia. In ontario, most large commercial vehicles are equipped with an air brake system. About 7% of these are other auto brake system, 4% are valves, and 1% are other auto parts. The modult superior design encompasses the following advantages. This brochure talks about the benefits of both estroke for drum and air disc brakes. Wabcos air disc brakes have provided excellent customer satisfaction for many years. Across all industry sectors, wabco continues to engineer solutions to lower vehicle weight, optimize energy recovery, improve fuel economy and, as a consequence, reduce emissions. To adjust manual slack adjusters, the operator must hold an e brake endorsement.
Air leaks at connections and valve exhaust ports are acceptable if air loss does not exceed allowable limits. Piston the piston is the heart of the control valve. Wabco is a leading global supplier of technologies and services that improve the safety, efficiency and connectivity of commercial vehicles. The article presents the mathematical model of the air brake system with two commonly used valves. Class 3 or 5 vehicles licensed as a farm truck, or trucks with air over hydraulic. Brake lag the time air takes to travel through a properly maintained air brake system, about 410 of a second. Download the air brake manual in pdf format download download the air brake manual guide for instructors in pdf format download to open the air brake manuals you need to install adobe reader. The alberta air brake program provides drivers with information on how to operate vehicles equipped with air brakes. The air from the reservoir flows through various valves and finally reaches the brake chamber which activates the scam in the brake shoe to apply the brakes in the front. Never use carcinogenic solvents, flammable solvents, or solvents that can damage brake components as wetting agents. Brake adjustment must also be carried out during repairschanging spare parts when heating overheating has suspected to damaged the axle brake components e.