Meritor airbrake slack adjuster how it works youtube. Pressedin, sealed actuator boot on meritor automatic slack adjusters manufactured from july 1998 factoryinstalled automatic slack adjusters on q plus tm lx500 and mx500 cam brake packages handed and unhanded slack adjusters. Otr3030sbls 3230051 3030 combo brake assembly long stroke otr3030sbls. For meritor brake adjustment, refer to the brake adjustment tables in this technical bulletin. Meritor automatic slack adjuster meritor s unique design keeps brakes in constant adjustment while eliminating the need for frequent underthetruck brake adjustments. It is the industrys only asa that adjusts on chamber stroke and reduces maintenance costs. A when the actual brake lining adjustment is necessary. Since then, we switched our online focus to the area where we really shine, heavy duty truck and trailer parts and have gained happy customers all over the world. Meritor heavy vehicle systems, llc, reserves the right to revise the information presented or to. Different length slack adjusters are used on the same axle. The meritor asa adjustment is precision tuned by the piston in the actuator adjusting sleeve. R824003 by meritor air brake manual slack adjuster. Meritor gunite r801001 r801002 r801041 r801042 r801072 r801073 r801074 r801079 r801102 r802070. We are proud of our marketleading position with cost of ownership optimized through the applications of advanced predictive techniques and innovative manufacturing processes.
Hazard summary because some brake linings contain asbestos, workers who service brakes must understand the. Meritor drive axles using t30 brake chambers and 5. Trust meritor the next time you need a sack adjuster. I also show why it will also work as a self adjuster. When adjusting a meritor asa you must use the template that correctly matches the clevis. Eliminate the need for frequent under the truck brake adjustments reduce brake maintenance costs allow optimum brake performance 5, 5. Its the industrys only asa that adjusts on chamber stroke and reduces maintenance costs by eliminating the need for frequent underthetruck brake adjustments. Hazard alert messages read and observe all warning and caution hazard alert messages in this publication. When you replace an automatic slack adjusted, the color of the actuator piston on the new slack adjusted does not have to must match the color of the actuator piston on the inservice slack. Maintenance manual 4 cam brakes and automatic slack adjusters. Axle products contents wheel hubs page 4 slack adjusters page 1.
Maintenance manual 1 preventive maintenance and lubrication. These are applicable both as original equipment manufacture oem and after market retrofit on pre 1994 vehicles. Asas should not have to be adjusted to correct excessive push rod stroke. This reduces brake maintenance costs and vehicle safety inspection citations while also optimizing brake performance. Meritor automatic slack adjusters are colorcoded to brake type and air chamber size mylar tag current design colorcoded tie wrap previous design when you replace an automatic slack adjuster 14 section 3. For nonmeritor brake adjusters, refer to the brake manufacturers service procedures. Maintenance manual 4 cam brakes and automatic slack.
The haldex automatic brake adjuster is a clearance sensing brake adjuster that maintains a nominal distance or clearance between lining and drum. Product description automatic slack adjuster without clevis. Weve been in the heavy duty truck and trailer parts business for decades, and started selling light truck accessories online in 2000. Removal and disassembly removal wheel components automatic slack adjuster 15 brake shoes 17 check the camshaft bushing for wear. Brake attaching hardware is broken, loose or missing. Mtor today announced that its aftermarket training program for 2020, geared toward dealers, warehouse distributors wds, fleets and service garages, will focus on arming customers with specific product knowledge to drive part sales, improve customer satisfaction and keep trucks on the road. Automatic slack adjusters brakes drive axles drivelines trailer axles transmissions transfer cases how to obtain additional maintenance, service and product information visit literature on demand at meritor. M meritor q brake with heavy duty webs mack reman kits. Built to be robust and reliable, the industrys lightestweight automatic slack adjuster optimizes brake. Brake slack adjuster position bsap method automatic slack adjuster templates measure the slack adjuster 45 install a threaded clevis. Cam and air disc brakes parts analysis overview evaluate damaged brake components. Slack adjusters slack adjusters alliance parts slack adjusters are designed to ensure longlasting performance in heavyduty applications. All meritor offices will be closed july 4, 2018 in observation of the holiday. With brandname parts, expert heavyduty advice, quality service, stateoftheart facilities, and professional staff fleet brake offers secondtonone service and sales of heavyduty parts at competitive prices.
Alliance automatic slack adjusters include clevis unless otherwise noted. There are two pistons of differing lengths depending upon the chamber application and will impact two things. Meritor automatic slack adjusters asas should not need to be. Meritor cam brakes and slack adjusters central states bus sales. Genuine oem usa in stock canada in stock add to requisition list. The clearance notch corresponds to the normal liningtodrum clearance. Meritor automatic slack adjusters asas should not need to be manually adjusted in service a true b false 2. Meritor nc itho in usa evised sp meritor automatic slack adjuster meritors unique design keeps brakes in constant adjustment while eliminating the need for frequent underthetruck brake adjustments. Automatic slack adjusters asa for onhighway, linehaul and vocational applications deliver shorter stopping distances and offer longer lining life. Slack adjuster setup and compliance to the nhvim australian.
For non meritor brake adjusters, refer to the brake manufacturers service procedures. Meritor announces 2020 aftermarket training program meritor. Preventive maintenance and lubrication revised 0710. Installation and adjustment procedures for meritor automatic. R824004 by meritor air brake manual slack adjuster. This manual provides maintenance and service information for meritor cam brakes and automatic slack adjuster.
All gunite automatic slack adjusters have a drilled worm gear for lubrication to help. Meritor stroke sensing asas must be set at a 101 degree angle on trucks and tractors, regardless of the pintopin dimension. Features product and service information on most meritor, zf meritor and meritor wabco products. We are proud of our marketleading position with cost of ownership optimized through the. Meritor automatic brake slack adjuster position bsap. Automatic slack adjuster suppliers have confirmed that may need to travel. If the template and clevis are not matched, the slack adjuster will not adjust the brake properly. Meritor automatic slack adjusters asas should not need. Automatic slack adjusters how an automatic slack adjuster works factoryinstalled automatic slack adjusters on q plus lx500 and mx500 cam brake packages handed and unhanded slack adjusters pull pawls clevis types and thread sizes thread sizes meritor automatic slack adjusters are colorcoded to brake type and air chamber size mylar tag. Refer to maintenance manual 4, cam brakes and automatic slack. Mar 23, 2010 this feature is not available right now. With the right slack adjuster, you can protect your brakes and provide a safer drive and easier maintenance. Installation and adjustment procedures for meritor.
Automatic slack adjusters brakes drive axles drivelines trailer axles transmissions. Meritor heavy vehicle systems 50 calarco drive derrimut vic 3030. Cam brakes and automatic slack adjusters the graphic village. Automatic slack adjuster guide pawl kit for all meritor asas. Install the same length slack adjusters from the same manufacturer on the same axle. Built to be robust and reliable, the industrys lightestweight automatic slack adjuster optimizes brake performance by increasing payload capacity and enhancing camshaft bracket life. Can be used as an alternate material to replace ma1502. As the leading supplier of automatic slack adjusters asa in north america, meritor understands the delicate relationship between asas and foundation brakes.
Our extensive axle portfolio includes frontdrive and nondrive axles as well as single, tandem and tridem rearaxles for markets in north and south america, europe. Avoid costly fines and downtime make sure your brakes are always operating at their best. Measure chamber stroke by checking the distance from the chamber to the pin with the brakes released vs. Automatic slack adjuster international truck, lease. Installation and adjustment procedures for meritor automatic slack adjusters tp9173revised 101 technical bulletin important information meritor automatic slack adjusters asas should not need to be manually adjusted in service. Gawr 165 al approved for rsd drive axle brakes on daimler, navistar and paccar vehicles using 16. Meritor brakes that use automatic slack adjusters o cam brakes, including q plus tm lx500 and mx500. Different brake chamber sizes are used on the same axle. Manual slack adjusters and asas are an essential component to s cam, t cam and some air disc brake applications. Brakes meritor is the global braking leader both in size and capability for the commercial vehicle industry, supplying braking systems for trucks, trailers, buses and coaches.
Upon brake application, the brake adjuster rotates and moves the shoes into contact with the drum. The meritor simplecheck tool is a simple and easily used tool available in a range of. Automatic slack adjuster asa and air brake chamber failure. Meritor is the worlds largest independent manufacturer of heavyduty truck axles for a vast range of vehicle applications, including linehaul, offhighway, specialty and defense.
R824000 by meritor air brake manual slack adjuster. New generation automatic slack adjuster video t9443v o drivetrain plus tm by arvinmeritor technical electronic library on cd. The unhanded design slack is simply one in which the pawl assembly has been moved to the edge of the slack. Our extensive axle portfolio includes frontdrive and nondrive axles as well as single, tandem and tridem rearaxles for. Read and understand all instructions and procedures before. Otr offers a full line of premium quality brake components backed by a nationwide warranty. Automatic slack adjuster and camshaft splines 64 section 8. Whether you need a 20k gawr brake drum, automatic slack adjuster, air disc brakes or service chambers, otr has what you need to get the job done. R824009 by meritor air brake manual slack adjuster. Manual tp0445 parts failure analysis meritor drivelines. Hazard summary because some brake linings contain asbestos. This video shows you how the partial insides of a meritor slack adjuster looks and works. Meritor is the global braking leader both in size and capability for the commercial vehicle industry, supplying braking systems for trucks, trailers, buses and coaches. Automatic slack adjusters brakes drive axles drivelines trailer axles transmissions transfer cases.
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