Installation and adjustment procedures for meritor. The slack adjuster is splined to the camshaft which is mounted in a bracket and supported by two bushings one end of each brake shoe is supported. Haldex recommends a common position for all installations all the way towards the axle, until the control arm comes to the end of the slotted bracket. 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. Installation automatic brake adjuster guide installation. These drivelines link transmissions and drive axles for trouble free. Fleet parts are a distributor of the mei automatic slack adjuster asa which is manufactured by madras engineering industries ltd, who have manufactured manual slack adjusters for over twenty years. H free stroke of the brake cylinder to cover the clearance sb between the brake lining and the brake drum.
Genuine haldex straight arm manual slack adjuster with 1. 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. Free stroke is the amount of movement of the slack arm required to move the brake shoes against the. Sgi is not responsible for any errors or omissions as a result of the translation. Lubricate slack adjuster as outlined in preventive component or plug unless you are certain all system maintenance section. Google translate is a thirdparty tool, and is not owned or administered by sgi. The adjusting bolt is the 916 hex head shown just below the small grease fitting. China slack adjuster manufacturers select 2020 high quality slack adjuster products in best price from certified chinese brake manufacturers, brake disc suppliers, wholesalers and factory on. Installation and adjustment procedures for meritor automatic slack adjusters tp9173revised 101 technical bulletin important information meritor automatic slack adjusters asas should not need to. In the photo above, the slack adjuster is for the tag axle, and the clevis and rod is from the brake chamber.
The automatic slack adjusters have been changed in the 2005 model year. Since then, we switched our online focus to the area where we really shine. New generation automatic slack adjuster video t9443v o drivetrain plus tm by arvinmeritor technical electronic library on cd. The trick is to make sure that the slack adjuster arm and its actuator push rod that helps close the adjuster on application of brakes is at a 90 degree angle. Automatic slack adjusters asa for onhighway, linehaul and vocational applications deliver shorter stopping distances and offer longer lining life. Slack adjusters automobile parts pdf manual download.
Literature on demand offers easy access to meritors latest product, technical and training information. Visit the adobe site to download the latest, free version. Meritor brakes that use automatic slack adjusters o cam brakes, including q plus tm lx500 and mx500. To do this, back off the adjusting hex until all spring pressure is relieved from the clevis. All meritor offices will be closed july 4, 2018 in observation of the holiday. Apr 06, 2015 accuride wheel end solutions offers this service video to learn how to install, adjust, and maintain genuine gunite automatic slack adjusters. Slack adjusters mei automatic slack adjuster manual. Buy brake slack adjusters manual hd truck haldex mbi kn44061 online from napa auto parts stores. 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. Manual slack adjuster should be inspected for gear set wear. Manual adjustment of automatic slack adjusters may.
Slack adjusters with the easyon yoke 2978 and yoke adapter. Try out our free practice driving tests in the side menu and pass. Slack adjusters with the easyon yoke 2978 and yoke adapter 291452 will adapt to a 58 18 thread on the push rod. View and download bendix slack adjusters manual online. Find great deals on ebay for slack adjuster tool and snap on slack adjuster tool.
Gunite automatic slack adjuster service video youtube. These drivelines link transmissions and drive axles for trouble free driving. This bulletin is to advice how to replace sbt slack adjusters with haldex slack adjuster in sisu rigid rear axles. The stroke free travel should not be more that of the total chamber travel.
With service brakes in the released position, mark the push rod even with the brake chamber. We stock a huge range of slack adjusters available in both automatic or manual for a variety of applications. When it has slid on completely, rotate the slack adjuster until it is secured into place. The haldex range of manual slack adjusters are permanently lubricated, yet are additionally equipped with a grease nipple for optional lubrication. Automatic slack adjusters were found on about 93% of all tractors in 2001.
When you install an automatic slack adjuster, you set the brake chamber stroke. The unhanded design slack is simply one in which the pawl assembly has been moved to the edge of the slack. They currently produce over 750,000 slack adjusters a year. A testing driver must either demonstrate how to adjust a brake equipped with a manual slack adjuster. When checking the free play of manual slack adjusters on scam brakes, you should. Manual slack adjusters pro trucking products catalog. Assessment of the effect of automatic slack adjusters on brake. Alliance automatic slack adjusters include clevis unless otherwise noted. Meritor is the worlds largest independent manufacturer of heavyduty truck axles for a vast range of vehicle applications, including linehaul, offhighway, specialty and defense. The haldex range of manual slack adjusters are permanently lubricated, yet are additionally. The unhanded design purpose is to eliminate having to stock pairs of slacks. The positive lock mechanism is protected from rust and.
For example, a slack adjuster with an arm span of 5. Asas should not have to be adjusted to correct excessive push rod stroke. China slack adjuster, slack adjuster manufacturers. Click here to download our trailer air tank identification chart. Features product and service information on most meritor, zf meritor and meritor wabco products. To view pdf documents you must use adobe acrobat reader. Manual adjustment of automatic slack adjusters may contribute to unexpected brake failure on automotive fireapparatus niosh recommends that all fire departments operating fire apparatus equipped with automatic slack adjusters asas immediately take the following actions to reduce the risk of fire.
Youll also be able to quickly locate requested pieces and go through a streamlined ordering process. Weve been in the heavy duty truck and trailer parts business for decades, and started selling light truck accessories online in 2000. Slack adjusters setup and compliance to the nhvim first edition, september 2016 page 2 of 15. Manual adjustment of automatic slack adjusters may contribute to unexpected brake failure on automotive fireapparatus niosh recommends that all fire departments operating fire apparatus. To install the slack adjuster, first slide the adjuster on to the spline end of the brake cam shaft. Literature on demand offers easy access to meritor s latest product, technical and training information. Pick up in store or have it delivered to your door. Our drivelines are a perfect example of the edge customers get with our products.
China slack adjuster manufacturers select 2020 high quality slack adjuster products in best price from certified chinese brake manufacturers, brake disc suppliers, wholesalers and factory on madein. Slack adjusters auto adjusters, replaces bendix auto adjusters, replaces gunite auto adjusters, replaces haldex auto adjusters, replaces meritor manual slack adjusters air system parts axle. Automatic slack adjusters for commercial brakes meritor. Permanently lubricated, yet are equipped with zerk fittings for optional lubrication. Truck and trailer fleet parts training western michigan fleet parts. Automatic slack adjuster brochure gunite offers a complete line of unhanded automatic slack brake adjusters for installation on front steer, rear drive, and trailer axle applications. These slacks can be used at any of the lengths available. The arm span of a slack adjuster is the distance between the center of the camshaft and the center of the pin hole that is used with the clevis. Components of an automatic slack adjuster figure 1 slack adjusters take many shapes and forms to work around other wheel end componentry. Unit is to be mounted with adjuster nut away from push rod only. So, braking force is directly applied through the brake chambers, also referred to as brake cans or brake pots. The manufacturer of the new slack adjusters is sbt compared to the earlier.
More than 100 years of intensely focused innovation, haldex holds unrivaled expertise in brake systems and air suspension systems for heavy trucks, trailers and buses. When checking the free play of manual slack adjusters on s. Brake slack adjusters for commercial trucks and trailers. Meritor automatic slack adjusters asas should not need to be manually adjusted. Wabtec corporation 30 isabella street pittsburgh, pa 15212 usa phone. The hex head bolt which requires a 916 box or open end wrench is surrounded by a spring loaded sleeve. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. With the saba model brake adjuster shown in figure 2, the control arm position can be set anywhere within the slotted area of the bracket and the adjuster will function properly. These are only used on scam and flat cam drum brakes.
Postive lock mechanism is protected from rust and corrosion by plating and shaft sealing. Accuride wheel end solutions offers this service video to learn how to install, adjust, and maintain genuine gunite automatic slack adjusters. In some places, your entire air brake pretrip inspection hinges on this compentency being able to adjust a manual slack adjuster. Manual adjustment of automatic slack adjusters is a dangerous practice that could have serious. Gunite automatic slack adjuster accuride corporation. Get deals on automotive parts, truck parts and more. Yellow asat page 83 tho unhanded design slack is one in which tho has to the. Moving past your competition is the power meritor offers. In addition to greasing, there are some simple checks that can be carried out. Built to be robust and reliable, the industrys lightestweight automatic slack adjuster optimizes brake.