The arm of the slack adjuster is fastened to the push rod of the chamber with a yoke, and the slack adjuster. Wabtec corporation 30 isabella street pittsburgh, pa 15212 usa phone. Production of slack adjusters brake rigging regulators for railway. 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. 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. 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. Gunite automatic slack adjuster accuride corporation. Automatic slack adjusters asas come in two basic types. Clevis yokes manual slack adjusters clevis yoke crewson brunner auto slack adjusters clevis pin manual slack adjuster slack adjuster clevis pin bush. The unhanded design purpose is to eliminate having to stock pairs of slacks. Mei brakes producer of automatic slack adjusters and air disc brake calipers.
These slacks can be used at any of the lengths available. Meritor automatic slack adjusters asas should not need to be manually adjusted in. Ck adjuster oe, original number, and maker, for reference purpose only. Permanently lubricated, yet are equipped with zerk fittings for optional lubrication.
These so, with drum brakes, the drums are pushed outward by the rotation of a cam. Automatic slack adjuster protex, meritor, mvs, crewson brunner slack adjuster service parts. Failure to do so could automatic slack adjuster, meritor 42. When you install an automatic slack adjuster, you set the brake chamber. Unit 3 westpoint enterprise park trafford park manchester m17 1qs. To install the slack adjuster, first slide the adjuster on to the spline end of the brake cam shaft. Built to last, the new versajust slack is compatible with nearly any automatic slack adjuster. For example, a slack adjuster with an arm span of 5.
Slack adjusters often have a range of holes to suit different mounting situation. We ship ups and use their standard assigned brokerage international customers. Relationship of push rod and slack adjuster angle to brake force. Brake components such as scams, bushings, return springs, actuators, drums and adjuster installation must. Slack adjusters aad australian automotive distribution. Pawl assembly, works with all meritor automatic slack adjusters international 1676238c91. Automatic adjusters should not be operated as manual adjusters except as may be necessary to get the vehicle off the road for service. When it has slid on completely, rotate the slack adjuster until it is secured into place. Htmlpdf, 2047699004, relationship of push rod and slack adjuster. Haldex manual slack adjusters pbr australia pty ltd au 264 east boundary road phone. 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. How to change an air brake slack adjuster it still runs. Unfollow slack adjuster tool to stop getting updates on your ebay feed.
Alliance automatic slack adjusters include clevis unless otherwise noted. The identification information now includes the part number, date code and serial number type ii. Meritor foundation brake training spartan emergency response. Premium wheelend brake products spicer automatic slack adjuster. The positive lock mechanism is protected from rust and. Maintenance manual 4 cam brakes and automatic slack adjusters. The haldex range of manual slack adjusters are permanently lubricated, yet are additionally equipped with a grease nipple for optional lubrication. Versajust ls slack adjuster with the wearmax clutch. Mei produces more than 600 types of automatic slack adjuster as well as a wide range of our patented selfsetting automatic slack adjusters. Asas should not have to be adjusted to correct excessive push rod stroke. The slack adjuster is an arm attached to a push rod on the brake assembly. Special requests of connection pieces for the slack. The slack adjuster must be installed so the pawl can be removed during maintenance. Rollers attached to the brake shoes roll on the cam.
The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Rotate the hex extension clockwise until the brake linings contact the brake drum. Get deals on automotive parts, truck parts and more. Manual adjustment of automatic slack adjusters may. Air brake automatic slack adjusters hd truck twd as1168. When the air is released to the slack adjusters, the pressure from the air chamber pushes the rod towards the slack adjuster. Brake attaching hardware is broken, loose or missing.
An automatic slack adjuster is a mechanical component of the air brake system that adjust brakes as necessary when the vehicle is in operation. Caution disengage the pullpawl before turning the manual adjusting nut. A manual slack adjuster also called a brake adjuster is a mechanical component in the air brake linkage. 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. Premium wheelend brake products spicer automatic slack.
The scam rod inside of the slack adjuster then turns the scam that is attached to the wheel hub assembly. 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. Buy air brake automatic slack adjusters hd truck twd as1168 online from napa auto parts stores. Procedure for determining correct push rod length field replacement. Manual slack adjusters for heavy duty trucks and trailers. Turning the adjusting nut counterclockwise, align the large holes in the slack adjuster and clevis. Type spline size lever length clevis thread for chamber e195 r801001 unhanded 11410 512 1220 str 16.
It acts as a lever, forming the connection between the actuator and the camshaft. Gunite sa10202 automatic slack adjuster product information technical details. Where you see the opening with splines, thats what attaches to the other end of the brake cam. Step 9 install chamber in bracket, connect slack adjuster and adjust the brakes. 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. The bendix versajust slack adjuster is designed for use on scam brakes the most common type used on commercial vehicles.
The slack adjuster is an airdriven component that controls the up and down movements of the brake pads. Brake slack adjusters for commercial trucks and trailers. Unit is to be mounted with adjuster nut away from push rod only. Apr 09, 2019 these so, with drum brakes, the drums are pushed outward by the rotation of a cam. Our slack adjusters have an adjustable range of 400, 450 or 600 mm with a driving power of 75 or 150 kn. Eb 03004 determining rod lengthfield replacement rev 1. Htmlpdf, 2047699005, air operated wedge brake adjustment. Different length slack adjusters are used on the same axle. 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. How to adjust slack adjusters on trailer brakes it still. Different brake chamber sizes are used on the same axle. Postive lock mechanism is protected from rust and corrosion by plating and shaft sealing. Slack adjuster 28 spline manual rockwell axles with 34 adj. 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 automatic slack adjuster asa is a vital part of the foundation brake. Steering or suspension hardware or components are loose. The following diagram shows the relationship of push rod and slack adjuster angle to brake force. 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. The unhanded design slack is simply one in which the pawl assembly has been moved to the edge of the slack.
Slack adjusters compensate for normal wear of break linings. Meritor type slack adjuster, 112 10 spl x 512 arm, 5. Figures show typical brackets for automatic brake adjuster applications on steer axle brake assemblies. Shop our large inventory of slack adjusters including international slack adjusters for sale online. How to adjust slack adjusters on trailer brakes it still runs. Installation and adjustment procedures for meritor. 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. Built to last, the new versajust slack is compatible with nearly any automatic slack adjuster or linkstyle asa. Continued form ef 3100 0800 rev 1 03004 march 19, 2004 step 6 subtract the setup stroke. Performing a slack adjustment means simply adjusting the push rod in the air chamber to within a predetermined tolerance, thereby maintaining optimal brake performance.
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