The parking brake system applies and releases the parking brakes when you use the parking brake control. The switch for the engine brake is different depending have been given new symbols, for example, the switch on which engine brake is installed. The system includes features such as abs, a differential lock and brake blending. Air brakes, chapter 7, driving commercial vehicles ritchies training.
To view the online version, click on the button below. Always consult a professional technician to properly troubleshoot your system. Volvo trucks automatic emergency brake system youtube. Please completely read through these instructions to familiarize yourself with the project before starting. Volvo ebs electronically controlled brake system disc brakes are available with program packages for rigids and tractors. Here you can view your unique drivers handbook based on your trucks chassis number and preferred language. When this is determined to have a significant bearing on this manual, a new edition of this file will update the changes. Imagine driving the truck and suddenly see a running child in front of you.
However, even though truck air brake system pressures are 100 p. We have pass through, brake relay valve, trailer brake valve, brake safety valve, splitter valve, and more at great prices. Continuous testing of the emergency brake system ensures that the truck can stop, or mitigate possible collisions and resulting injuries. Volvo a35d articulated dump truck service manual, rear door window frame moulding, clutch system, volvo a35f fs articulated dump truck parts catalogue manual, volvo a35d articulated dump truck parts catalogue manual, strut, jetski repairs, front drive shaft, diagram, heater or boost ventilator control, valves, pgmfi, front axle hub, brake fluid. Unless otherwise noted, all tool numbers are preceded by 999. Class 8 truck tractor braking performance improvement study. Peak forces were higher for the air disc brakes than for the scam brakes. There are an estimated 260,000 accidents per year related to brake failure. Volvo trucks corporation bwas founded in 1920 as the automobile branch of the famous skf bearing company. We ship abs sensor kits, speed sensor, control units, brake wear sensors, and more to many countries around the world. They can operate at high speed even on the most challenging haul routes, and they work effectively on the roughest, hardtoreach load and dump sites. Service manual trucks group 56 air brake system schematics and routing vnl, vnm pv776tsp253231. Drum brake also has an adjuster mechanism, an emergency brake mechanism and lots of springs.
Key words heavy truck braking, air disc brakes, stopping distance, hybrid brake systems, fmvss no. Hill start aid the brakes are only released once there is sufficient engine torque to propel the vehicle forward. Genuine volvo brake system parts give you the stopping power required for precision braking and maintain the integrity of your vehicles complex safety systems. Volvo f engines fuel system, design and function service manual. The volvo d11 is a fuelefficient, lightweight engine designed to improve reliability. The handbook is available in a variety of formats and only shows information relevant to your truck configuration. Volvo trucks north america is recalling 6,127 vehicles because the brake system can become contaminated, increasing the risk of a crash the recall. Furthermore, brake wear control ensures that the brake paddisc wear is uniform throughout their service life. Volvos most powerful engine brakes can be used, and a special function ensures that the rear axle is not overloaded. The parts of these systems are discussed in greater detail below.
Shop volvo cars usas dealer network for our selection of rotors, brake pads, brake. The volvo fe has pneumatic brakes with ventilated discs at both front and rear. Using the additional brake as primary brake limits wear on the trucks ordinary brakes, which reduces total. The retarder is coordinated with the engines exhaust brake, which results in high overall braking power. Line haul single trailer wo air suspension, air over hydraulic brakes. In this way volvo can offer esp on virtually all adr applications and ems combinations. This helps the identification and troubleshooting process with less possibility for mistakes. Volvo gm heavy truck greensboro, nc usa order number. Shown is the brake system as a schematic layout or the actual routing in the vehicle on a 4x2 and a 6x4 vehicle or the brake system valves and tubing in separate circuits. The electronically controlled brake system ebs antilocking disc brake system provides both faster and safer braking response and promotes less brake wear. Volvos articulated haulers are built for tough reallife conditions. Vrtc measured actual brake feel from the gmvolvo truck and calibrated the nads cab to reflect accurate brake pedal feel. To overcome this difficulty, the integration of graysystem.
Volvo trucks introduces active driver assist collision. Volvo vnl 780 engine brake discussion in volvo forum started by dsparil, may 27, 2017. The first in a series from april 1927 were running cars, and only. This volvo trucks sharp emergency braking system and. The ebs optimises brake management by utilising the effects of the retarder or engine brake to reduce load on the wheel brakes. Durable energyabsorbing material that dampens vibrations, inimises brake squeal and promotes long service lifetime. The boy was also lucky the truck was a volvo fh series equipped with an emergency braking system just look at how the tractor bites the asphalt as it comes to a halt. Volvo trucks north america air brake system schematics and routing vn, vhd, vah section 5 introduction. Please specify the complete part number when ordering. This gives drivers impressive engine braking and reduces some of the wear and tear on brake linings thats so common in offhighway jobs. And the vgt enhances our intelligent volvo engine brake veb. Labyrinth profile protects the brake system s parts within the brake drum from dirt. Working of drum brakes drum brakes work on the same principle as the disc brakes. Air brake system general system function the supply system for the compressed air brakes consists of the compressor 1, governor 2, air dryer 3 and storage tanks 4, 5 and 6.
Volvo issues recall according to the news source, volvo has found a problem with the electronic air dryer in vnl and vnm heavy trucks with model years between 20 and 2017. The emergency brake system uses parts of the service and parking brake systems to stop the vehicle in a brake system failure. Persons who perform further manufacturing operations on modify a volvo vehicle are responsible for the vehicles continued andor subsequent compliance with applicable regulations, must ensure that the vehicle as modified by them is safe to operate, and assume any liability related thereto. Did your truck come with a owners manual, most of the information you are seeking about your truck, you can find in the manual. Ebs is a very fastreacting electronically controlled brake system with a number of benefits compared to a. Always check the latest information at the wiring diagrams location. Cummins m11 engine brake, there is a single switch with 3 positions. With the volvo or for the fog lights and the electric heated side mirrors. Volvo truck emergency braking system how it works youtube.
Volvo trucks north america has introduced volvo active driver assist, a comprehensive collision mitigation system that combines both radar and camera capabilities to provide emergency braking and help drivers maintain. In heavy traffic, radar and camerabased adaptive cruise control helps you keep a safe distance from the vehicle in front by controlling the accelerator and all available brakes. All color on tubing conforms to the standardized color scheme. These diagrams are provided for basic identification only. Study of heavy truck scam, enhanced scam, and air disc brake. The compressed air brake system is separated into two parts. When the brakes are released, all the brake actuators are exhausted immediately. The shoes are pulled away from the drum by the springs when the brakes are released. Its for 2007 emission engines but im sure that some of the codes will cross reference to earlier engines. If you are unsure which brake products are compatible with your volvo truck, please contact us. Body builder general informationcertification label, towing procedure, weight distribution, chassis diagrams, chassis configurations, fuel tank positioning 1.
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. Basic air brake system schematics total truck parts inc. The control of an antilock braking system abs is a difficult problem due to its strongly nonlinear and uncertain characteristics. Volvo truck workshop manual, wiring diagrams, fault codes. Perfect centring thanks to the precisionmanufactured guide pin. This valve reverses and the air flows via the abs solenoid control valve 40 into the service brake portion brake chambers of the. I have a older volvo vnl that has the engine brake switches on the dash, but i know the newer volvos. Notification should reach every owner of an affected truck by feb. All tractorbrake configurations passed the drawbar tests with acceptable margins. No parts of the braking system stick out beneath the rear axle. Fortunately for the kid, the truck driver was alert and quickly stomped on the brakes. Volvo truck brake valves genuine volvo truck parts. Volvo fault code manual pdf download truckersreport.
The airactivated heavy truck disc brake is similar. Get the drivers manual thats specific to your truck. With a subscription to our online emissions service information tool, you can access current repair information for your engine, electrical system, and exhaust aftertreatment system. Latest manual updatescheck regularly for updates to the volvo body builder manual to learn of new features and updates. Vehicles produced after this publication may have different specifications and repair methods. Modification takes place in order to keep up with legal requirements, but it is most vital to maintain a proud commitment to making all traffic environments involving volvo trucks as safe as possible. Traction control system tcs electrical trailer brake. The certification is accredited by perry johnson registrars pjr. Volvo engine brake, special tools servicing the volvo engine brake veb requires the following special tools. Page 12 quality heavy duty parts air brake system troubleshooting 1. Boy comes within inches of being crushed to death by a huge lorry after running across the road without looking. The tools are available from the parts department of volvo truck north america, inc. The dryer systems software is where the problem resides. Which compressor model is installed is dependent on engine manufacturer specification or customer choice.
Lining wear analysis brake lining warning calculates the remaining mileage available with the current brake linings. Volvo truck d11 d d16 engine service repair manual download. Discussion in volvo forum started by theenglishman, jan 30, 20. Gritt 1062002 diagonal split system in a diagonal split system, one brake line is run to each rear brake and one to each front brake. Advanced troubleshooting guide for air brake compressors.