Wagner lockheed brakes manual for repair and maintenance of hydraulic brake systems illustrated. The manual has been designed in a manner that study questions are included in order that a reader may selftest hisher understanding of. However, this procedure is designed to see that any safety device operates correctly as air pressure drops from normal to a low air. The study of this manual, together with practical instruction, is recommended for a driver who is preparing for the air brake.
The trainee will be able to locate, name, and describe the various manual cutout cocks associated with the various locomotive brake equipment. Air brake manual 5 section 1 brakes and braking 1 air brake manual 5. A dual air brake system has 2 separate air brake systems, which use a single set of brake controls. Your written air brake knowledge test can also be scheduled. This guide provides the information you need to know when you are applying for an air brake z endorsement on your licence.
Parts of an air brake diagram the design of any air brake valve is more easily understood by recognizing some major components and parts. Air disc brake adb22x225sn67sk7 automobile parts pdf manual download. This manual will help you pass the tests, however, it is not a substitute for a truck driver. A guide for students as a reference and study guide. You must have an endorsement a specified on your licence to operate a vehicle equipped with an air brake system. Reprinted for use by western pacific railroad museum operating dept. The study of this manual, together with practical instruction, is recommended for a driver who is preparing for the air. The alberta air brake program provides drivers with information on how to operate vehicles equipped with air brakes. The purpose of an air brake system on heavy duty vehicles is to convert air pressure to mechanical energy to activate the foundation brakes. It helps applicants prepare for commercial driver tests. Apply the brakes and check for air leaks at the brake pressure sensor. Most heavyduty vehicles use dual air brake systems for safety. L no air brake equipped cmv applicant does not pass the air brakes knowledge test or the cdl skills test in a vehicle with a full air brake system. These questions and answers were written by professional authors with extensive knowledge and experience in the transportation industry.
Check that all dust caps and boots are present and in good condition. The endorsement a is not required when operating class 3 or 5 vehicles licensed as a farm truck, or trucks with air over hydraulic brakes. Requirements for air brake endorsement must complete an air brake written test. Click download or read online button to get air brake manual book now. It must be completed and the air brake q endorsement added to an alberta operators licence before operating vehicles equipped with air brakes. This symbol indicates that you must tighten fasteners to a. View and download bendix air disc brake adb22x225sn67sk7 manual online. If you want to drive a truck or bus with air brakes, or pull a trailer with air brakes, you need to read this section. The endorsement is not required when operating a class 3 or 5 vehicle licensed as a farm truck or trucks with air over hydraulic brakes. Michigan commercial driver license manual ts004 section 5. Nunavut air brake manual foreword the nunavut air brake manual has been prepared to assist a driver in determining the basic functions of air brake systems. Brake lag the time air takes to travel through a properly maintained air brake system, about 410 of a second.
In air operated disc brakes, air pressure acts on a brake. The table below provides a brief description of the changes made from the previous april 2008 edition of the service manual. Learn about brakes and braking, components of an air brake, how the basic system works, trailer systems, dual air systems and pretrip inspection. Your job is important and the motor vehicle commission wants to serve you and ensure that all new jersey. Wabco maintenance manual mm0112 revised 0718 page 54.
The air brake equipment on freight cars will be discussed. Inspect the wheel bearing unit for grease leaks at every inspectionservice. It is the industrystandard for driver training on airbrake systems. There is also a training package that covers terminal brake testing in accordance with fra part 49, 232 and transport canada regulations. As new components are introduced and their function explained, they gradually build up to a complete functioning air brake system. A note can also supply information that will help to make service quicker and easier. The ministry of transportation strives to be a world leader in moving people and goods safely, efficiently and sustainably to support a globally competitive economy and a high quality of life. Bendix air disc brakes convert air pressure into braking force.
It provides you with information to obtain endorsements required to transport passengers, operate combination vehicles, tank vehicles, school bus, vehicles with air brakes and transport hazardous materials. Air brakes this section tells you about air brakes. Most large commercial vehicles are equipped with an air brake system. To adjust manual slack adjusters, the operator must hold an e brake endorsement. Air brake examinations are conducted at drivetest centres. There should not be any active faults displayed in the ecu memory. This helps to reduce the risk of ice in air brake valves and other parts during cold weather. In addition to the trainee demonstrating his ability to use the air brake equipment on the simulators he will be able to pass a written test, making a score of at least 80%. Wisconsin commercial drivers manual pdf you can read the manual as an ebook on your ereader tablet or other device. This handbook is a study guide for both beginning and experienced drivers. Therefore, the air air brake system of the towing vehicle must be in good condition. K cdl intrastate only applicant is restricted to operating in intrastate commerce. It provides the training standards used for testing a train in the yard using a locomotive or yard test device.
The purpose of this book is to help you construct meritor wabco truck and tractor air systems. Published by the government of ontario, its the only official handbook for drivers seeking an air brake endorsement. Braking distance the actual distance a vehicle travels after the brake is applied until the vehicle stops. Failure to perform all three components of the air brake check correctly will result in an automatic failure of the vehicle inspection test. It contains information about drivers licence qualifications, how to be a safe driver and many other important subjects that will assist you in passing your tests you must have an endorsement a specified on your licence to operate a vehicle equipped with an air brake system. Ice inside the system can make the brakes stop working. May 30, 2019 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. The pressure expands the diaphragm applying force to, and moving, the pressure plate and push rod forward. Air brake system anatomy understanding the three components of a commercial vehicle air brake system is crucial to diagnosing and repairing complex brake problems. Use this study manual to prepare for tests to get a yukon drivers license for heavy truck, bus or taxi. Partial systemdrawings, throughout the manual, assist in explaining of the use of the. Please consult your local distributor for those items you may require. Weighing the costs and benefits of air disc brakes despite maintenance and pad life advantages, price remains the biggest hurdle to air disc brake adoption.
Brakes and braking heatenergytractionfriction for a vehicle to move along the highway, an internal combustion engine must convert its heat energy into mechanical energy. Copies of this handbook may be purchased online on the serviceontario publications web site, from a retail store near you, a drivetest centre or select serviceontario centre. Air brake manual download ebook pdf, epub, tuebl, mobi. Piston the piston is the heart of the control valve. The parts of an air brake system georgia commercial drivers. You must have an air brake endorsement on your drivers licence to drive these vehicles. 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. You may also operate a vehicle equipped with air brakes as a learner while accompanied by. Foreword the air brake manual has been prepared by manitoba public insurance, to assist drivers in understanding the basic operation and function of an air brake system. Components are introduced and shown with typical system diagrams to show where they are used. Air brake endorsement permits the holder to drive vehicles equipped with air brakes in class of vehicle for which the driver is licenced. General precautions general safety guidelines warning. 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.
Sd237541 bendix adb 22x, adb 225, sn6, sn7, sk7 air. This manual may contain attachments and optional equipment that are not available in your area. Bendix air brake maintenance manual this maintenance manual consists of instruction and service data sheets and provides complete information on most air brake system components. 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. This equip ment employs as the major components a 26c brake valve, a 26f. Bendix adb22x, adb22xv air disc brakes sd237541 section one. Air brakes test practice introduction this study guide contains one hundred ten commercial drivers license air brakes test questions and answers. Information contained in his manual will be helpful. This twelvesection handbook provides an introduction to the use and operation of bendix air brake systems and devices.
The air brake manual has been prepared by manitoba public insurance to assist drivers in understanding the basic operation and function of an air brake system. When the vehicle brakes are applied, air enters the service brake chamber through the supply port, applying pressure within the diaphragm. The manual adjustment of automatic slack adjusters is dangerous because it gives the vehicle operator a false sense of security about the effectiveness of the braking system. It provides all of the knowledge drivers need to operate vehicles safely and in compliance with the law. The air brake manual has been prepared by the department of public safety licensing and records to assist drivers in understanding the basic operation and function of an air brake system. Air brake endorsement permits the holder to drive vehicles equipped with air brakes in class of vehicle for which the driver is licensed.
Note, not all valves have all the components shown and described in this booklet. A note indicates an operational, procedure or instruction that is important for proper service. 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. Other training materials cover freight car air brake equipment and locomotive air brake training. It contains the information you need to prepare for the air brake endorsement examination. From original operating department training manual 1974. An important part of your locomotive engineer training will be operating locomotive simulators, and your first simulator. The study of this manual, together with practical instruction, is recommended for a driver who is preparing for the air brake examination. 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. To order a copy, visit the alberta queens printer website. For official purposes, please refer to the drivers and vehicles act and the highway traffic act and regulations.
This distance depends on the ability of the lining to produce friction, the. Reading air brake diagrams tp2006 september 2001 4 part i. Tb9230042620 hydraulic and air hydraulic brakes preventive maintenance includes important information. If you want to pull a trailer with air brakes, you also need to read section 6. Each system has its own air tanks, hoses, lines, etc. Federal motor vehicle safety standard 121 dictates how this is to be done for overtheroad vehicles. Requirements for air brake endorsement must hold a valid class 16 drivers licence. Air brake manual pdf download service manual repair. The 26l brake equipment is a combination automatic and independent locomotive brake of modern design which incorporates all of the operating features necessary for the control of freight and passenger train braking systems.