Operation of hydraulic retarder Either way the coach is fully powered, but still does not have the retarder in the trans. As we noted, a hydraulic retarder is something similar to a torque converter. housing. Since the capacity of the retarder or its retarding action is directly related to its RPM, it will be most effective at higher engine and vehicle speeds. The driveshaft and transmission of the car typically have this part mounted on them. . The process involves several key steps: 1. from publication: Research on the mechanism of drag reduction and The Voith Retarder 115 CT is a step-up retarder with a high braking torque. The design and principle of operation of hydraulic retarders/ intarders in the literature is quite well described [14,23,24]. An electric retardation unitcan be placed on an the hydraulic retarder is shown in [15]. Electric. Dec 16, 2022 · Sump/Retarder Temperature Indicator (Output B) can illuminate a dash light or warning alarm if an overtemperature condition exists, this warning also indicates the Transmission controls are restricting Transmission and Retarder operation. At low speeds the braking effect is lower. 6 It is clear that with out retarder based braking system the wear rate considerably increases. Use only the type of hydraulic brake fluid specified by the equipment manufacturer. Oil to be used as operating medium is moved to the inlet throttle via the riser duct. The brake force is not interrupted, even during clutch actuation and shifting. Classic friction brakes can reach temper Question: AURTTX006. Hydraulic Retarder. Ãœ Ž ¤‚ê ¥. Initially, hydraulic retarders were used on trains for deceleration before being applied to trucks later. 23. The author also presents a primary analysis on braking effect. Operator selectable application together with serv-ice brakes or when accelerator pedal is released. When used properly, this feature assists in the deceleration of the coach which also reduces the wear of brakes/brake shoes. Nov 1, 2023 · Eddy current retarders (ECBs) and hydraulic retarders (HRs) are commonly used to slowdown heavy vehicles (Zheng et al. As an auxiliary braking Safe, economical and sustainable - that's the first secondary retarder in the world that uses water for braking. [ 3 ] Electric retarder The design and principle of operation of hydraulic retarders/ intarders in the literature is quite well described [14,23,24]. Countershaft Where does the oil enter the hydraulic retarder during retarder operation? A. The Electric Retarder The electric retarder uses electromagnetic induction to provide a retardation force. Driveline Systems. Nevertheless, the development of new technologies affects the Sep 6, 2012 · of operation, the hydraulic oil is discharged into the oil tank from the retarder. Stator speed c. The oil sump is supplied with compressed air. , 2019a), during non-emergency conditions. This location enables a higher braking effect when the wheels and the transmission output are turning rapidly. However, compared with hydraulic retarders, the braking torque per unit mass of the eddy current retarder is small, and the quantity of electricity needed to drive an eddy current hydraulic retarder is one of the important auxiliary braking form. Diagnose and repair hydrostatic trans 22 a. Jan 1, 2023 · development of HR (Hydraulic retard er) and ECR (Eddy current retarder) with the largest marke t share, working principle, installa tion mode, braking efficien cy constant effect d uring use The above diagram illustrates the Jake Brake in operation. Two different retarder systems are available: • the primary retarder, MX Engine Brake with exhaust brake, is Nov 1, 2023 · Eddy current retarders (ECBs) and hydraulic retarders (HRs) are commonly used to slowdown heavy vehicles (Zheng et al. Introduction to Powertrains. Discover our Voith Retarder 115 CT! Voith Retarder are a synonym for wear-free continuous braking in trucks and buses. 4. Schematic diagram of hydraulic retarder structure The stator is integrated with the retarder housing, connected with the rear end of the transmission or the frame, the rotor is connected with the transmission shaft through the %PDF-1. b. In order to reduce the load of frictions and gears of the gearbox, to exclude the operation of the engine in brake mode, the retarder is installed on the output shaft of the GMT. In conjunction with the engine brake, you always have the optimum braking ef Dec 15, 2022 · The retarder is often located at the transmission output or on the propeller shaft. Engine retarders harness the engine’s own power to reduce vehicle speed. In doing so, the hydrodynamic hydraulic brake decelerates independently of the engine speed and enables wear-free continuous braking. Volvo’s most powerful engine Jul 5, 2023 · The resistance created between the moving rotor and the stationary stator within this oil-filled chamber results in the slowing down of the vehicle. Brakes and brake retarders are both incredibly important when it comes to making sure large trucks are able to limit their speed and safely come to a complete stop. Do not use or mix different types of hydraulic brake fluid. At both sides of the stator. Range retarder 22. Fig. Oct 16, 2023 · Accurate theoretical models of actuators are crucial for researching autonomous driving in heavy-duty commercial vehicles (HDCVs). Output shaft a. They can effectively reduce the required braking strength and frequency of operation of the traditional mechanical braking systems (Zheng et al. This video was made for training of technicians using cutaway photos, training aids or shop space of The Southern Alberta Institute of Technology. Keywords Heavy-duty vehicles, hydraulic retarder, braking system, observer, filling ratio Date received: 4 November 2015; accepted: 22 May 1, 2024 · The response time of the valve directly determines the response speed of the hydraulic retarder, and the stability of the control pressure determines the stability of the braking torque when the hydraulic retarder is in operation. It is suited to a number of manual gearboxes as well as to I-Shift. Friction clutch retarder c. Dec 5, 2014 · Brake retarders, otherwise known as auxiliary braking systems, are essential devices for the modern heavy emergency response vehicle (ERV). May 1, 2015 · the retarder mode of operation, when the. This kind of retarder is frequently used on buses because it is effective. Besonders eindrucksvoll werden dabei die technischen Details visualisier Voith also exhibits its newly developed VR 115 CT hydraulic retarder for the Chinese market, its LP 725 and LP 490 air compressors, the 115 HV Oil Retarder "remanufactured by Voith“ as well as the DIWA SmartNet telemetric system. 2. Hydraulic retarders depend on hydraulic Nov 6, 2019 · Hydraulic driveline brakes or hydraulic retarders use the inherent viscous drag forces of a working fluid that is filled between the rotor and stator, both with vanes and with small clearances, to retard the vehicle. The retarder is coordinated with the engine’s exhaust brake, which results in high overall braking power. With regard to the constant Jul 23, 2023 · Learn all about the fascinating world of truck retarders in this video! Discover how these unique devices are designed to enhance braking functions in heavy Jan 9, 2019 · RENR3328 – Systems Operation (776D & 777D Off-Highway Truck/Tractors Hydraulic System) RENR3329 – Schematic (776D, 777D & 777D HAA Tractor_Off-Highway Trucks Hydraulic System) RENR3364 – Schematic (777D HHA Off-Highway Truck Electrical System) The Voith Retarder is a high-performance endurance braking system, which brakes commercial vehicles safely, economically and comfortably. Where does the oil enter the hydraulic retarder during retarder operation? a. Some of the available operator controls, known also as Retarder Modulation Request (RMR) devices include: • Foot pedal • Hand lever • Automatic apply at closed throttle • Page 148: Transmission Components a. Retarders serve to slow vehicles, or maintain a steady speed while traveling down a hill, and help prevent the vehicle from "running away" by accelerating down the hill. In order for the retarder to extract energy, a series of valves needs to be activated. It is always charged with oil. draulic latch to hold the retarder capsule in the down position to permit high­ speed train withdrawals toward the hump; and (e) use of hydraulic retarders to provide end-of-track arrester zones; The principles of operation of the Dowty hydraulic retarder and the booster-retarder unit are widely interaction of the fluid with the rotating and stationary vanes causes the retarder rotor and output shaft to reduce speed, slowing the vehicle or limiting speed on a downhill grade. (2011) analyzes the use of the eddy current retarder in an automobile. , 2016; Ye et al. The hydraulic oil charging & discharging system should have fast accurate response and provide enough flow rate. Heavy-duty Nov 12, 2014 · Diese Animation für Voith veranschaulicht die Funktionsweise des Retarders VR115 CT. Hydraulic. the hydraulic retarder control system 10 further includes a retarder-flow valve 16 and a retarder modulation valve 134 . Automatic Models. pisto n a pproaches th e t op of t he c A Manufacturer of Oil-and Water-Base Hydraulic Retarders. Nov 19, 2019 · The hydraulic retarder is also called a hydraulic speed reducer. This type often uses a compression release mechanism that enables engine braking. Rotor speed d. May 26, 2022 · ContentsThe main purpose of the systemTypes and design of the auxiliary brake systemEngine brakeHydraulic retarderElectric retarderLet's summarize One of the systems included in the vehicle's braking control is the auxiliary brake system. Figure 3. Mar 2, 2023 · 3. Installing Allison HT 700 Series Hydraulic Retarder Components A Housing, Front Support B Rotor Components May 1, 2015 · The design and principle of operation of hydraulic retarders/ intarders in the literature is quite well described [14,23, 24]. Total retarding capability including transmission retarder and exhaust retarder, see graph. The working principle of a hydraulic retarder is as follows: Nov 1, 2018 · With the continuous operation of hydraulic retarder, the phenomenon of sharp rise in temperature for transmission medium will inevitably occur, leading to the reduction of density, viscosity as well as thermal conductivity, and the increase of specific heat capacity. During traveling, this device can convert the kinetic energy of a vehicle to the heat energy of the cooling liquid and replace the service brake under non-emergency braking conditions. DAF supplies one as an option for DAF XF and CF vehicles with MX-11 or MX-13 engines. At the outer edge of the stator B. When the operator activates the retarder, the retarder control valve is opened. Hydraulic Retarder: Uses fluid resistance within the transmission system to reduce speed. system. Refer to USING THE HYDRAULIC RETARDER for additional information. The rotor is connected to the propshaft of the vehicle via the retarder hollow shaft, the stator Air-over-Hydraulic Brake Systems 10. Concomitantly, the reduction in viscosity lead to a decrease in intermolecular frictional resistance as well as friction loss to the wall. Download scientific diagram | Sketches showing the principles of the hydraulic retarder: (a) structure; (b) energy flow. What component is the rotor mounted to in a rear-mounted hydraulic retarder? Turbine shaft a. c. an output retarder Which of the following does the most to determine the position of the governor valve? Page 147 control over retarder operation and include various types of retarder operator and vehicle interface controls. Funny that my 06' 32 foot Meridian had the retarder built into the 3000 MH trans. Where does the oil enter the hydraulic retarder during retarder operation? At the outer edge of the stator housing Near the center of the rotor At both sides of the stator It is always charged with oil b. Oct 3, 2023 · A brake retarder is a supplementary braking system that works alongside your car’s primary brakes to improve control and reduce wear. EnERgizEd (ThRoTTLE-off oPERATion)  hydRAuLiC EnginE RETARdER CoMPonEnTS (BRAkESAvER®)  funCTionS of hydRAuLiC EnginE RETARdER CoMPonEnTS  EnginE oPERATion wiTh ThE hydRAuLiC EnginE RETARdER EnERgizEd  ELECTRiC dRivELinE RETARdER CoMPonEnTS  funCTionS of ELECTRiC dRivELinE RETARdER CoMPonEnTS  EnginE oPERATion wiTh An ELECTRiC Study with Quizlet and memorize flashcards containing terms like What is the front of a trailer sometimes known as? nose snout landing gear upper coupler, If a truck is described as a tandem drive, highway tractor, how many axles does it have? 3 6 2 4, If a technician holds ASE T5 certification, what is he or she certified to work on? HVAC systems diesel engines suspension and steering systems Hydraulic driveline brakes or hydraulic retarders use the inherent viscous drag forces of a working fluid that is filled between the rotor and stator, both with vanes and with small clearances, to retard the vehicle. Most trucks, tractors, and semi-trailers will usually have a retarder lever located on the right side of the steering wheel, as well as a button that Page 24 Hydraulic retarders are available on some models of the AT 500, MT 600, and HT 700 Series transmissions. The first mathematical model is deduced by using fluid mechanics, which is used to analyze the mechanism of how braking torque is produced and the key factors that can influence the value of the braking torque. The air compressor has been switched on firstly and the compressed pressure has set as 8 bar. The main task of the auxiliary braking system is Nov 19, 2017 · VOITH retarder VR 115 EHigh brake performance is essential when it comes to stopping a bus that weighs several tons. But by using retarders in the braking system the wear rate reduces considerably. The transmission retarder is enabled by a switch on the driver's console. The electric retarder uses electromagnetic induction to provide a retardation force. The _____ causes the engine to work against the pressure of a fluid. The braking effect is obtained by allowing oil to enter the retarder circuit. How Does a Bus Retarder Work? The design and principle of operation of hydraulic retarders/ intarders in the literature is quite well described [14,23,24]. Still, all retarders generally apply the same principles, so similarities can be expected regardless of their type. What determines the degree of braking in a hydraulic retarder? Oil flow and pressure Stator speed Rotor speed Turbine speed b. When the retarder is deactivated, the retarder cavity is evacuated and the Study with Quizlet and memorise flashcards containing terms like I hydraulic retarder converts kinetic energy into, The input member of a hydraulic retarder is the, When a hydraulic retarder is not being used to absorb power, the retarder housing is and others. The electric retarder [] Main article: Eddy current brake. D. It has a self-suffi cient oil balance and is integrated into the braking management of the vehicle. Near the center of the rotor At both sides of the stator d. Both types work by creating resistance, which helps to reduce the speed of the bus smoothly without sudden jerks. 14. d. It is always charged with oil Sep 21, 2024 · a. Allison™ Transmission Retarder Operation This tip is being written as an informational tool for the correct operation of Allison WTEC transmissions equipped with hydraulic retarders. Under continuous braking and long slope braking conditions of high intensity for a long time, the temperature of the brake friction plate is extremely high, which leads to poor braking efficiency in the braking process, and even makes the braking force completely lost, More and more heavy-duty vehicles and high-speed transport vehicles are equipped with retarders. Hydraulic brake fluid that is removed can be contaminated and can cause damage, loss of braking and serious personal injury. Jan 4, 2024 · Currently, the proportion of eddy current retarder usage on trucks is already very small, while it is used more on buses. Turbine speed (23. The author briefly introduces the history of hydraulic retarder,stressing on its basic structure,working principles and control modes. Hydraulic Retarder 1. Hydrostatic Drive Systems and Hydraulic Retarder Systems 13. Nevertheless, the development of new technologies affects the 23. Retarder: Hydraulic, infinitely variable, integrated in transmission. Retarder is an auxiliary braking system that allows the vehicle to brake without applying conventional brakes [16]. Noted for their smooth operation, hydraulic retarders can perform effectively across a wide range of speeds and are known for their robust braking power. The truck uses exhaust brakes when it is downhill, although it can receive good braking effect, but for mining dump trucks with large tonnage, the exhaust braking effect is limited, and the engine has a certain degree. Retarder Operation on a Hydraulic retarders are extremely quiet, often inaudible over the sound of a running engine, and are especially quiet in operation compared to engine brakes. CONCLUSION The retarder will normally make your rig a safer rig on the HYDRAULIC RETARDER (Vehicle Models) The hydraulic retarder is used to slow the vehicle on curves or downgrades. In combination with the service brake, it ensures optimal braking performance. Such velocity reduction could reduce the potential risk caused by brake failure caused by the service brake working for a long time and the temperature of the brake shoe becomes extremely high. Feb 6, 2025 · Electromagnetic Retarder: Uses magnetic fields to create resistance in the drivetrain, which helps slow the vehicle. What component is the rotor mounted to in a rear-mounted hydraulic retarder? Turbine shaft Output shaft Stator d. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Removing the retarder General Applies to type 2 retarder. Sep 03, 2021. Where does the oil enter the hydraulic retarder during retarder operation? Oct 6, 2009 · Hydraulic retarder has been widely applied on military vehicles and heavy commercial vehicles because of it could provide great brake torque and has lasting working time [ 1 ]. Hydraulic driveline retarders use a torque absorption principle that can be compared to that used in a torque converter. Nov 19, 2022 · The hydraulic fluid creates a drag that is viscous in order to lessen the spinning motion. Hydraulic retarder. Apr 12, 2010 · Hydraulic retarder braking torque is needed to be controlled. It describes the basic components including the caliper, caliper bracket, brake pads, rotors, and how hydraulic pressure is transferred through the system to create friction between the pads and rotors to slow the wheels. This tip is being written as an informational tool for the correct operation of Allison WTEC transmissions equipped with hydraulic retarders. Development of the retarder required combining these two methods through use of a control system which provides quick response leading to smooth braking and suitable operator controllability. Also for: At 542, At 542n, At 542r, At 542nfe, At 543, At 545, At 545n, At 545r, At 1542p, At 1545p, At 1545pn. 11. In conjunction with the engine brake, The correct operation of the hydraulic retarder. Hydraulic retarders are extremely quiet, often inaudible over the sound of a running engine, and are especially quiet in operation compared to engine brakes. This retarder’s quiet operation is a plus; you frequently can’t hear it. Input retarder b. The AT 500 retarder and the MT 643R input retarder are located between the torque converter and the transmission gearing. damper-type dampers, partially covering the working cavity of the hydraulic retarder. 1 What is hydraulic Retarder in commercial vehicles? The hydraulic retarder control system comprises pressure reducing valves which can switch the pressure of the air to be supplied from a pressure air source to an air/liquid conversion device at least to a low pressure, an intermediate pressure and a high pressure, or a proportional electromagnetic valve which can Jul 9, 2021 · When activated via the manual switch and or the foot brake pedal, the retarder receives an electronic input signal from the retarder control unit. jÝäPgÙOí~¼ Apr 1, 2017 · Hydraulic retarders are auxiliary braking devices that reduce the velocity of a vehicle, particularly when a vehicle is driven downhill. Torque Converter Housing Hydraulic Retarder. If the retarder is located behind the transmission it is called a secondary retarder. retarders, which are eddy current retarders and hydraulic retarders, respectively. Output retarder d. hill slopes by Telma a famous retarder manufacturing company. Nov 9, 2013 · The dealer was "mistaken" on their paper work. The retarder consists of a vaned rotor splined to the turbine shaft and mounted in a sealed housing. Study on Digital Adaptive Shift Control Strategy Operation. It is a secondary Braking system which helps Primary Braking system in Braking by reducing Looking at the advantages of Retarder systems [18]; 1. Dec 18, 2024 · Engineers calculate the design of Joule Piston or hydraulic retarders for railway tracks using a combination of simulation tools and empirical data. Function Two blade wheels in the hydrodynamic retarder face each other: the rotor and the stator. Hydraulic retarder has many advantages, such as braking torque, smooth braking, small size and low noise, long service life and so on, which has been used in the military vehicles, heavy trucks and engineering machinery and other fields. Nov 1, 2017 · The operation process for hydraulic retarder continued to be carried out resulting in a sharp increase in temperature inside the working chamber. VIII. [4] Main articles: Regenerative brake , Eddy current brake , and Dynamic braking Jan 6, 2025 · Rail retarders, including hydraulic retarders, play a significant role in various railway industry applications. 24. This mechanism strengthens the adaptability and accuracy of the hydraulic retarder control strategy. They have been proven to be so important that NFPA 1901, Standard for Automotive Fire Apparatus, requires them for any rig with a 36,000-pound gross vehicle weight rating (GVWR) and greater. Feb 17, 2016 · The document summarizes the components and operation of an automobile brake system. Retarder braking torque refers to oil volume in retarder chamber, thus the key of braking torque control is oil charging & discharging control. It is always charged with oil C. ZF's version is called the Intarder. Oil flow is generated by the stroking movement of the capsule. Like the #Aquatarder, the secondary water re Retarder operation can vary, depending on the type of vehicle and retarder. Stator d Which type of hydraulic retarder applies a friction clutch while the unit is charging with hydraulic fluid? b. This video Feb 18, 2020 · Bear in mind the hydraulic retarder is what the name implies — a retarder, and will not bring the vehicle to a complete stop, but only retard its forward motion. Prototype of hydraulic retarder Figure 4. Transmission fluid is routed to the retarder cavity 1. Tools Examples of suitable tools from Scania: Part number Designation 87 095 Guide pins 98 257 Support drift 98 405 Bracket and fixture beam 98 765 Splined socket 99 001 Adapter 99 003 Hydraulic hole cylinder 99 004 Hydraulic pump 99 005-1 Pusher adapter 99 010 Bush, included in 99 003 Where does the oil enter the hydraulic retarder during retarder operation? a. A hydraulic retarder is a wid View and Download Allison Transmission AT 540 service manual online. What determines the degree of braking in a hydraulic retarder? a. Years of budget cuts have whittled away at the specs on all of these coaches. This paper introduces the construction of the hydraulic retarder Sep 29, 2022 · A retarder is a device used to augment or replace some of the functions of primary friction-based braking systems, usually on heavy vehicles. Brake retarders are most commonly found in heavy vehicles like trucks and buses but can also benefit sports cars and vehicles frequently driving in hilly or Jun 28, 2023 · There are multiple different types of brake retarders including engine, exhaust, hydraulic, and electric retarders, all of which work in different ways to slow a vehicle down. The wrong hydraulic brake fluid will damage the rubber parts of the brake The unique configuration of the Allison retarder includes both friction clutch and hydraulic retardation. This year's exhibition concept is also accompanied by a multimedial testimonial campaign. Figure 1 the structure of Hydraulic retarder Generally speaking, the retarder can be installed on the input shaft Hydraulic retarders are extremely quiet, often inaudible over the sound of a running engine, and are especially quiet in operation compared to engine brakes. As the prototype was considered a wheeled chassis 8к8 with CMT [1]. It is therefore much more practical than the first two types that we previously discussed. It uses various methods like electromagnetic forces or hydraulic resistance to slow down the vehicle. no. Liu et al. What component is the rotor mounted to in a rear-mounted hydraulic retarder? Turbine shaft b. , 2017). Always engaged together with retarder. By altering the engine’s operation, they can achieve significant deceleration without relying solely on the service brakes. May 7, 2020 · The water medium hydraulic retarder is the latest type of auxiliary braking device and has the characteristics of high power density, large braking torque, and compact structure. Near the center of the rotor c . Here are key areas where they are typically used: Railway Yards and Hump Operations: Whiting rail retarders are widely used in railway yards and hump operations for controlling the speed and movement of railcars during classification this hydraulic retarders are used to augment and support the conventional braking systems. Oil flow and pressure b. 5 %âãÏÓ 204 0 obj >stream hÞLÌO  €ñ¯âmÊ@_mîOŒÁh×`PÔe—¥B‚Ìxçèë7¨C÷ßóT Ò¶¢ßÒ3"eâ„nN>. Nevertheless, chamber. Near the center of the rotor. Near the center of the rotor c. Hydraulic Retarder is a mechanical device through which speed of High transport vehicles (HTVs) such as truck can be controlled at some amount. Volvo Engine Brake: Standard. While the retarder-flow valve 16 and the retarder modulation valve 134 are illustrated as being disposed in a single valve body 80 , the retarder-flow valve 16 and the retarder modulation valve 134 may be disposed in separate valve bodies, coupled by a plurality of fluid Controllable Retarder – Principle of Operation. At the outer edge of the stator housing b. The valve of interest is the speed valve which shuts of at predetermined oil flow settings, hence the speed setting of the retarder. In order to reduce driver's frequent actions in braking process and prevent hydraulic retarder system from ove Where does the oil enter the hydraulic retarder during retarder operation? At the outer edge of the stator housing Near the center of the rotor At both sides of the stator It is always charged with oil 0 24. C. In 1961, Germany's Voith invented the hydraulic retarder. Retarder Retarder, which has meaning such as decelerator as the meaning of the word, is defined as ‘speed breaker’ in engineering applications. Hydraulic retarder is a powerful tool to improve driving safety, but it must be used correctly to This paper introduces the construction of the hydraulic retarder and proposes two mathematical models for the hydraulic retarder. The MT 600 output retarder is installed on the rear of the transmission in place of the output housing. Nevertheless, the development of new technologies affects the In these conditions additional retarder systems are essential to secure safe and reliable braking and to reduce wear of the brake pads. In addition, the hydraulic retarder Nov 4, 2015 · the observer effectively sets a control target of the filling ratio for the hydraulic control system. We know what are retarders on a truck, now let’s take a look at the next type of retarder which is the hydraulic retarder. It operates independently of other braking systems and serves to maintain a constant speed on long descents. RET-TH is a compact, gearbox-mounted, hydraulic retarder that effectively supplements the vehicle’s ordinary brake system. Mar 7, 2019 · Several of the truck OEMs mount hydraulic retarders not to the engine, but to the gearbox. Retarder Simulation: Engineers use a Retarder Simulator to calculate predetermined flows and pressures for the hydraulic system. " In contrast to retarders made by other manufacturers, the Intarder is integrated into the transmission in a space-saving way. Hydraulic retarders are extremely quiet, often inaudible over the sound of a running engine, and are especiallyquiet in operation compared to engine brakes. At both sides of the stator d. For these purposes the retarder functions are fully integrated in the service brake operation. Output shaft Stator d Countershaft Nov 9, 2013 · The dealer was "mistaken" on their paper work. AT 540 microphone system pdf manual download. Voith Retarder - A synonym for wear-free continuous braking in trucks and buses. owtga ljysy qsnmh htgnnoirn gppc ofaqm bim blxh kbbhnn nxvm ivnzyqb lakcc pkkyo zgbwpzi proe