Wabco compressors installed on cummins, mercedes, and ddc engines are not warranted or serviced by wabco. Note, not all valves have all the components shown and described in this booklet. Release valves allow manual release of the trailers braking system, or the front axle brake. The rockwell wabco antilock braking system abs is an electronically controlled system that continually monitors wheel speed and controls wheel braking during extreme braking situations. Air dryers 9 load sensing valves air susp 19 air processing units 10 load sensing valves mech susp 18. Meritor wabco style quick release valve for valve pack. The gough transpecs braking range includes brands such as wabco vehicle control systems, sealco brake valves, tse brake chambers, sirit brake valves, hoosier tank air tanks and other complimentary braking products. Must be calibrated using wabco tool box when replaced replacement of steering components may require calibration. Modulator valve controls air pressure to foundation brakes during a abs, atc and esc event. Piston the piston is the heart of the control valve.
Adaptor valves 14 load sensing valves air susp 20 air dryers 10 load sensing valves mech susp 19 air processing units 11 locks optilock 42 air reservoirs 14 low pressure switches air throttle valves 31 nonreturn valves 26 brake chambers 32 nylon pipes 35 brake chambers disc brakes 3233 operating cylinders 28 cartridges desiccant 11. Does your luxury car ride like an old buckboard wagon. In the air dryer, the water vapour in the air is extracted and expelled through the air dryers vent. You may hear air exhausting from the leveling valve during this time. To obtain this publication, refer to the service notes page on the front inside cover of this manual. Ec air brake system with abs and asr fitted towing vehicle. Maintenance manual 34 contains troubleshooting steps and service information for the meritor wabco system saver series, 1200 and 1800 single cartridge air dryers. Features reliability automatically sustains pressure directed by the pilot line on a 1 to 1 ratio optional ratios shown below. During an abs stop, the modulator valve adjusts air pressure to the brake chamber to control braking and prevent wheel lockup.
Pneumatic brake control valve products m e r i t o r wa b c o b r a k i n g s y s t e m s we have it all meritor wabco offers an extensive product line of pneumatic valves and components to meet and exceed all air system valve requirements. Read online line filter wabco vehicle control systems book pdf free download link book now. Wabco academy offers a range of technical training programs featuring the installation, diagnosis, and maintenance of commercial vehicle air braking systems. Home air suspension valves page 2 visit our new online shop with all brands truck parts. Used for volvo, scania iveco etc heavy truck fast delivery and 3 months guarantee competitive price and high quality one false conponsent ten use for the drying. Air dryer documentation tp92116, installing the meritor wabco system. Wabco name plate, serial numbers or label identifying the device as a wabco product or wabco component, b changes to sealed adjusting screws, and c opening. For more information, see maintenance manual 34 or dial our tollfree number. Please contact your respective dealerdistributor of those engines for warranty and servicing.
Modulator valve controls air pressure to foundation brakes during a. Jun 26, 2019 wabco is the proven market leader in trailer controls offering fleet and owneroperators a robust portfolio of antilock braking systems abs and roll stability support rss for virtually any trailer application. Hgv direct online truck parts uk nationwide delivery. Compatible with all versions of meritor wabco ecus. Of course, some guys actually talk their way out of speeding tickets. Parts of an air brake diagram the design of any air brake valve is more easily understood by recognizing some major components and parts. To ensure maximum pressures, unloader valves are integrated in the compressed air generation and the air processing unit between the compressor and air reservoir. The balanced internal valve functions to relieve excess pressure, or to maintain pressure against demand. Optilock 42 air reservoirs 14 low pressure switches air throttle valves 31 nonreturn valves 26 brake chambers 32 nylon pipes 35. Modulator valves are also used during atc events to properly gain traction on the affected wheel end. Wabco cab and chassis leveling valves technical bulletin tp969. Always exhaust or drain the pressure from a system before performing any service work.
Wabco websites use cookies and other tracking technologies to improve your browsing experience. Wabco system diagnostics are special programmes with extensive functions which allow you to carry out diagnosis on electronic wabco systems. Wabco is the trailer abs leader with an install base of more than 6. Air dryers 9 load sensing valves air susp 19 air processing units 10 load sensing valves mech susp 18 air reservoirs low pressure switches 12 air throttle valves 29 nonreturn valves 25. For details on warranty of haldex air brake system components and. Drawings showing diagrammatic views of air brake valves, show them on one plane. Wabco is the proven market leader in trailer controls offering fleet and owneroperators a robust portfolio of antilock braking systems abs and roll stability support rss for virtually any trailer application. Federal motor vehicle safety standard 121 dictates how this is to be done for overtheroad vehicles. Meritor wabco cab and chassis leveling valves have an exhaust feature that allows air to exhaust for twelve minutes or longer after a load is removed from the suspension or for as long as it takes the arm to return to the neutral position. They monitor the system pressure and switch the compressor to load and noload as required. Bendix valves, compressors, air dryers, wheel end components and more, call 1800airbrake 18002472725 or visit some guys use cheap parts and never have a breakdown. Valves operate together with one handle motion can be both open or one open and one closed dual valve pneumatics business unit.
View and download wabco 1200e maintenance manual online. Replace cartridge with meritor wabco replacement cartridge. The abs works in conjunction with the standard vehicle braking system. Servicing the air brake rebuilding industry since 1948. 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. Home air suspension valves visit our new online shop with all brands truck parts. Adaptor valves 14 load sensing valves air susp 20 air dryers 10 load sensing valves mech susp 19 air processing units 11 locks optilock 42 air reservoirs 14 low pressure switches air throttle valves 31 nonreturn valves 26 brake chambers 32 nylon pipes 35 brake chambers disc brakes 3233 operating cylinders 28. Do not attempt to connect, disconnect or repair these products when a system is under pressure.
Compatible with c, d and e versions of meritor wabco style ecus. 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. North americas most trusted supplier of air brake components. Wabco locomotive products wabtec offers over 2000 types of ball valve configurations including 2 way, 3 way, and dual valves. We carry a variety of wabco style air valves and components for trucks, trailers, busses, tractors and other heavy vehicles equipped with air brakes. To find out more about which cookies we use and how you can block them, please read here. It also provides training from electronically controlled braking and driving dynamics control systems developed and manufactured by wabco. Line filter wabco vehicle control systems pdf book. This is the right place for information and details about our products. In the air suspension system of the trailer there is a levelling valve which. Download pdf printable page email this page save to favorites. A wide variety of wabco valves options are available to you, there are 993 suppliers who sells wabco valves on, mainly located in asia.
Air suspension valves archives page 2 of 2 parts wabco. Solenoid and isolation air valves solenoid air valves 19. Wabco flow valves and components for trucks, trailers, busses, tractors and other heavy vehicles equipped with air brakes. If you have a system saver twin air dryer, use maintenance manual 35. Valve is used on trucks to control the ride height of air ride cabs. System saver single cartridge air dryers governor compressor compressor discharge line dryer inlet governor port compressor. Condition possible cause solution system saver 1200. Air system leaks such as compressor discharge line, air dryer, reservoirs, brake and suspension valves. In the air dryer, the water vapour in the air is extracted. A wide variety of wabco levelling valve options are available to you, such as manual. Compressed air and hydraulic systems contain high levels of stored energy.
Antilock braking system abs abs training 2 antilock braking system abs purpose antilock brake systems abs generally also referred to as antilock systems als are designed to prevent the vehicle wheels from locking as a result of the service brake being applied with too much force, especially on slippery road surfaces. Modulator valves contrlsl the air pressure to each brake during the braking process. Clutch control system for manual and automated manual transmissions. A typical wabco system saver twin air dryer installation is illustrated in figure 1. Other publications related to wabco system saver series single cartridge air dryers tp92116, installing the wabco system saver series air dryer, provides complete installation instructions. Meritor wabco at 8005355560 for part number information. Failure to do so can result in serious personal injury. Condition possible cause solution system saver single. The purpose of an air brake system on heavy duty vehicles is to convert air pressure to mechanical energy to activate the foundation brakes. Valves are used wherever it is necessary, or preferable, to have instant and convenient control of the flow of air into a pneumatic circuit and of the pressure buildup of air in that circuit. Wabco 4324101020 system saver air dryer 24volts dc. The purpose of this book is to help you construct meritor wabco truck and tractor air systems.
Wabco pilotair pneumatic air valve pd400321100 16102846. Wabco websites use cookies and other tracking technologies to improve your browsing experience and provide you with services available on the website. In circuit iii the air supply from the reservoir 5 flows through the 22way valve which is integrated in the trailer control valve 17 to the automatic hose coupling 11 and on to the check valve, the hand brake valve 16 and the relay valve 20. Ii, the air supply from the reservoirs 6 and 7 flows to the brake valve 15. Rexroth type s relay valves on distributor to industry, inc.