Relationship of push rod and slack adjuster angle to brake force. Premium wheelend brake products spicer automatic slack adjuster. The bendix versajust slack adjuster is designed for use on scam brakes the most common type used on commercial vehicles. Special requests of connection pieces for the slack.
Meritor foundation brake training spartan emergency response. This bulletin shows the service bendix versajust ls slack adjuster part number replacements, as well some new service versajust ls slack adjuster units for use with welded clevis chambers. The slack adjuster is an airdriven component that controls the up and down movements of the brake pads. The unhanded design purpose is to eliminate having to stock pairs of slacks. Automatic slack adjuster protex, meritor, mvs, crewson brunner slack adjuster service parts. Gunite automatic slack adjuster accuride corporation. Continued form ef 3100 0800 rev 1 03004 march 19, 2004 step 6 subtract the setup stroke. Slack adjusters aad australian automotive distribution. Wabtec corporation 30 isabella street pittsburgh, pa 15212 usa phone. Body control plate application teeth hole other side saj0283 10283 2901 164 19 1 10284 saj0284 10284 2902 164 19 1 10283 saj0519 10519 4085 909 van hool 27 1. Shop our large inventory of slack adjusters including international slack adjusters for sale online.
Maintenance manual 4 cam brakes and automatic slack adjusters. Built to last, the new versajust slack is compatible with nearly any automatic slack adjuster or linkstyle asa. Eb 03004 determining rod lengthfield replacement rev 1. Premium wheelend brake products spicer automatic slack. When the air is released to the slack adjusters, the pressure from the air chamber pushes the rod towards the slack adjuster. Versajust ls slack adjuster with the wearmax clutch. Adjusters or anchor brackets that have visual damage, or which fail the operational checks, must be replaced immediately. The positive lock mechanism is protected from rust and.
Alliance automatic slack adjusters include clevis unless otherwise noted. 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. The following diagram shows the relationship of push rod and slack adjuster angle to brake force. Manual slack adjusters for heavy duty trucks and trailers. This component is used to remove the slack created by wear on the friction element of the brake shoes that normally occurs during operation of the vehicle. Automatic slack adjusters asas come in two basic types. 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. Failure to do so could automatic slack adjuster, meritor 42. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. To install the slack adjuster, first slide the adjuster on to the spline end of the brake cam shaft. Apr 09, 2019 these so, with drum brakes, the drums are pushed outward by the rotation of a cam. A manual slack adjuster also called a brake adjuster is a mechanical component in the air brake linkage.
Get deals on automotive parts, truck parts and more. Different length slack adjusters are used on the same axle. Slack adjusters compensate for normal wear of break linings. Bendix manual slack adjusters sd051200 figure 1 positive lock type slack adjuster description in an scam type foundation brake, the final link between the pneumatic system and the foundation brake is the slack adjuster. When you install an automatic slack adjuster, you set the brake chamber. Gunite sa10202 automatic slack adjuster product information technical details.
Meritor automatic slack adjusters asas should not need to be manually adjusted in. Gunite automatic slack adjuster identification with the launch of gunites new stateoftheart automatic slack adjuster assembly line there has been a change to the identification information formatting. Clevis yokes manual slack adjusters clevis yoke crewson brunner auto slack adjusters clevis pin manual slack adjuster slack adjuster clevis pin bush. Our slack adjusters have an adjustable range of 400, 450 or 600 mm with a driving power of 75 or 150 kn. Buy air brake automatic slack adjusters hd truck twd as1168 online from napa auto parts stores. How to adjust slack adjusters on trailer brakes it still. Body control plate application teeth hole other side saj0283 10283 2901 164 19 1 10284 saj0284 10284 2902 164 19 1 10283 saj0519 10519 4085 909 van hool 27 1 saj0714 10714 2760 571 britsab 10 1 10715 saj0715 10715 2761 571 britsab 10 1 10714. Production of slack adjusters brake rigging regulators for railway.
An automatic slack adjuster is a mechanical component of the air brake system that adjust brakes as necessary when the vehicle is in operation. Meritor type slack adjuster, 112 10 spl x 512 arm, 5. Mei produces more than 600 types of automatic slack adjuster as well as a wide range of our patented selfsetting automatic slack adjusters. How to change an air brake slack adjuster it still runs. Turning the adjusting nut counterclockwise, align the large holes in the slack adjuster and clevis. When it has slid on completely, rotate the slack adjuster until it is secured into place. Manual adjustment of automatic slack adjusters may. Ck adjuster oe, original number, and maker, for reference purpose only.
Permanently lubricated, yet are equipped with zerk fittings for optional lubrication. Steering or suspension hardware or components are loose. Figures show typical brackets for automatic brake adjuster applications on steer axle brake assemblies. Htmlpdf, 2047699005, air operated wedge brake adjustment. It acts as a lever, forming the connection between the actuator and the camshaft. Caution disengage the pullpawl before turning the manual adjusting nut. Procedure for determining correct push rod length field replacement. Automatic adjusters should not be operated as manual adjusters except as may be necessary to get the vehicle off the road for service.
Slack adjusters often have a range of holes to suit different mounting situation. Brake slack adjusters for commercial trucks and trailers. Installation and adjustment procedures for meritor. Postive lock mechanism is protected from rust and corrosion by plating and shaft sealing. Unit is to be mounted with adjuster nut away from push rod only. Slack adjuster figure 11 alternative bracket types figure 10 1214 brake application figure 12 universal anchor bracket automatic slack adjuster straight arm automatic ax012 slack adjuster rockwell, dana and fruehauf mounting holes universal anchor bracket eaton mounting hole pre1993 ax010. The slack adjuster is an arm attached to a push rod on the brake assembly. The haldex range of manual slack adjusters are permanently lubricated, yet are additionally equipped with a grease nipple for optional lubrication. Where you see the opening with splines, thats what attaches to the other end of the brake cam. Pawl assembly, works with all meritor automatic slack adjusters international 1676238c91. 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.
The automatic slack adjuster asa is a vital part of the foundation brake. These slacks can be used at any of the lengths available. These may zig zag along the arm of the adjuster and as a result, the selected mounting hole may not align with the centre line of the slack adjuster arm. The unhanded design slack is simply one in which the pawl assembly has been moved to the edge of the slack. The slack adjuster must be installed so the pawl can be removed during maintenance. Type spline size lever length clevis thread for chamber e195 r801001 unhanded 11410 512 1220 str 16.
Unfollow slack adjuster tool to stop getting updates on your ebay feed. These so, with drum brakes, the drums are pushed outward by the rotation of a cam. Different brake chamber sizes are used on the same axle. Air brake automatic slack adjusters hd truck twd as1168.
The scam rod inside of the slack adjuster then turns the scam that is attached to the wheel hub assembly. The arm of the slack adjuster is fastened to the push rod of the chamber with a yoke, and the slack adjuster. Step 9 install chamber in bracket, connect slack adjuster and adjust the brakes. How to adjust slack adjusters on trailer brakes it still runs. Slack adjuster 28 spline manual rockwell axles with 34 adj. Asas should not have to be adjusted to correct excessive push rod stroke.
Htmlpdf, 2047699004, relationship of push rod and slack adjuster. For example, a slack adjuster with an arm span of 5. Brake components such as scams, bushings, return springs, actuators, drums and adjuster installation must. Brake attaching hardware is broken, loose or missing. Standard applications, drive axle applications, haldex automatic brake adjusters, aba we are doing scheduled site maintenance. Mei brakes producer of automatic slack adjusters and air disc brake calipers. Built to last, the new versajust slack is compatible with nearly any automatic slack adjuster.
Find here slack adjusters, suppliers, manufacturers, wholesalers, traders with slack adjusters prices for buying. The identification information now includes the part number, date code and serial number type ii. Rollers attached to the brake shoes roll on the cam. Performing a slack adjustment means simply adjusting the push rod in the air chamber to within a predetermined tolerance, thereby maintaining optimal brake performance. Unit 3 westpoint enterprise park trafford park manchester m17 1qs. We ship ups and use their standard assigned brokerage international customers. Rotate the hex extension clockwise until the brake linings contact the brake drum.
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