If the engineer desires to release his engine brakes at this time while keeping the train brakes applied, he presses down on the independent lever. Air leaving the final stage of the compressor is still much hotter than the. 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. An application of the automatic brake also causes the independent to be applied. Air brakes use compressed air to make the brakes work. The 26l brake system page 1 general forums railpage. This lets you feel how much air pressure is being applied to the brakes. You pull it to the right and it will set and maintain a brakepipe pressure determined by the position of the handle. Air brake endorsement permits the holder to drive vehicles equipped with air brakes in class of vehicle for which the driver is licenced. 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. From the first concept of using air as a braking force, years of development and. Before replacing any valve with a new or remanufactured valve, be sure to page 627. With the introduction of spring brakes, anticompounding and 121 air brake systems, because a valve is leaking air out of its exhaust, does not mean the valve is at fault. The study of this manual, together with practical instruction, is recommended for a driver who is preparing for the air.
So if need to downloading locomotive air brake manual pdf, then youve come to loyal site. To adjust manual slack adjusters, the operator must hold an e brake endorsement. Air brake manual government of newfoundland and labrador. Nov 25, 2010 i have been having a look around for information on the the 26l brake system. This manual presents only an overview of the air brake system and its components for more detailed information on. From original operating department training manual 1974. Detailed listing of parts including part number, drawing number, item description, and parts replacement schedule. Most telling is that the new york manual also hints that the differences are in the arrangement of the apparatus in the cab. You have to move the handle to the right to exhaust the air and watch the equalizing reservior level fall. Blow all condensation from the locomotive brake pipe or yard air line. Stepbystep instructions for disassembly, cleaning, inspection, repair, routine maintenance, and mandatory configuration upgrades. This includes the instructor guide, student workbook and overheads. 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.
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%. Freight control valves new vent protector for abdx emergency portion, may, 2004. For application of brakes, the pressure in brake pipe has to be dropped. Release, minimum reduction, service, suppression, handle off and emergency. The air brakes are controlled by the operator through suitable equipment in the cab.
The second force comes from the air pressure going to the brakes. In any case the main reservoir pressure must always be at least 15 lbs. Except for manual operation of the cab controls, the locomotive operation is controlled automatically by the excitation and power control system. Operative brakes these requirements apply to air brake tests and inspections. Air brake manual 1 table of contents foreword foldout i air brake endorsement foldout ii requirements for air brake endorsement foldout ii use of licence as a learner permit foldout ii dual air brake system illustration foldout iii how to book your test appointment 3 key points about your tests 4 section 1 brakes and braking 5. Therefore, the air air brake system of the towing vehicle must be in good condition. Air compressor and air system pressure you should be aware of common air pressure thresholds of your motorcoachs brake system. To adjust manual or automatic slack adjusters, the operator must hold an s brake endorsement. Unless brakes fail en route, air brakes on all cars must be operative unless being moved. Piston the piston is the heart of the control valve. The purpose of this manual is to act as a guide in the operation of the locomotive and its.
Cars with defective air brakes may be moved for repairs when properly tagged on both. Note, not all valves have all the components shown and described in this booklet. The purpose of this lesson is to familiarize the locomotive engineer trainee with the air brakes on locomotives and freight cars. Air brakes this section tells you about air brakes. If you want to pull a trailer with air brakes, you also need to read section 6. Air brakes air brakes serve a multiple purpose for they can stop, retard or. 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. Tc 55881 rail handbook for air brake and train handling rules march 2008 distribution restriction. Here is a pdf of an older air brake section that covers hooking 6 and 24 type equipment to 26l systems. We own locomotive air brake manual pdf, doc, epub, djvu, txt formats. The brake pipe cutoff valve which interrupts the flow of air from the relay. Trailers 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. The emd manual states that a 6bl is not muable to a 24rl. The number 26l brake stand the automatic brake valve controls the train brakes, and its quadrant has six positions.
The air compressor maintains reservoir air pressure to be used primarily for the air brakes. Class 3 or 5 vehicles licensed as a farm truck, or trucks with air over hydraulic brakes. D single car test device, brake cylinder pressure gauge, and system ove rv i ew. Reprinted for use by western pacific railroad museum operating dept. This section is being developed to hold technical information useful to people using, restoring, and maintaining various types of railroad equipment. The study of this manual, together with practical instruction, is recommended for a driver who is preparing for the air brake examination. If mergers keep going wont there be only 2 railroads. My experience with brake valves was with san franciscos old streetcars. Reading air brake diagrams tp2006 september 2001 4 part i. 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. Air compressors typically have a cutout pressure between 110 psi and psi and a cutin pressure about 20 psi lower.
Air brake manual working with drivers to make our roads safer. Read all instructions in this manual and component part manufacturer supplied information before using your rv. You must have an air brake endorsement on your drivers licence to drive these vehicles. Improve the air brake skills of mechanics with little or no knowledge of the 26l air brake system and its components reduce out of service time and repair costs for the locomotive fleet reduce the guesswork on air brake problems. If you are an instructor and need to train your staff, we have an instructor package to help. Air brake system 1 brief description of the irab 1 brake system introduction irab 1 brake system has been designed by rdso and fitted with new generation alco locomotives. All air brake equipment shall be completely compatible with 26c26l air brake equipment, currently in use in intercity rail passenger service. The air then travels into the air reservoirs air tanks typically delivered to a rear brake system reservoir and a front brake system reservoir as well as any attached trailer reservoirs. The air brakes are controlled by the operator through suitable equipment in. Foreward the air brake manual has been prepared by. 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 is called bailing the independent, and keeps the engine stretched out from the train.
If you want to pull a trailer with air brakes, you also need to read section 6, combination vehicles. Read book 26l air brake troubleshooting guide floorstore department. This is a complete air brake version, in which only compressor unit is used instead of expressor for creating air pressure in the brake system and all the brake valves. Air pressure in the air brake system above normal due to faulty unloader mechanism or faulty governor. The air pressure gauge tells you the adequacy of the air system. In an air brake system the brakes are held off by compressed air, at a. 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. Read all instructions in this manual and component part. The trainee will be able to locate, name, and describe the various manual cutout cocks associated with the various locomotive brake equipment. You may also operate a vehicle equipped with air brakes as a learner while accompanied by a person who has an endorsement a on their licence. You may also operate a vehicle equipped with air brakes as a learner while accompanied by a person who has an endorsement a on their licence, provided your licence permits you to operate that type of vehicle under normal conditions.
Please use the feedback form if you have information you would like posted here. Whenever possible, secure air hoses on locomotives and cars during all movements to prevent the hoses and gladhands from dragging and becoming damaged. It is also curious that my 6sl manual also includes information about self laping independent brake operation, without actually calling the option an la6p valve and the 6ds also includes self laping information. Air brake freight stocks on indian railway are fitted with single pipe twin pipe graduated release air brake system. Air brake system is most efficient and reliable braking system used to run.
A place where you can easily find product information and ask questions. In ontario, most large commercial vehicles are equipped with an air brake system. There are complete student workbook for freight car or locomotive brakes. Just about all had simple valves that operated like a 24. Fundamentals of brakes 48 fundamentals of compressed air 52 air brake system balance 55 air brake system maintenance 57. For official purposes, please refer to the drivers and vehicles act and the highway traffic act and regulations. The air brake handbook for over 60 years, bendix commercial vehicle systems company has been a leading supplier of bendix air braking systems to the heavy trucking industry. A p r i l 2 0 1 6 1001 air brake avenue, wilmerding, pa 15148 phone. Air brake system irab1 indian railways institute of.
Prompt, flexible brake application and releases for smooth operation. Paragraph revision to 2391 instruction leaflets, january, 2003. 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 air brake equipment on freight cars will be discussed. New yorks air brake manual, however, specifies la6p independent brake on all three versions, 6ds, 6sl, and 6bl. Requirements for air brake endorsement must complete an air brake written test. May 30, 2019 in ontario, most large commercial vehicles are equipped with an air brake system.
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