automatic slack adjuster adjustment

NFPA 1071 Standard for emergency vehicle technician professional qualifications. Again, pointing out one of the key differentiators of WABCO automatic slack adjusters which is long-term lubrication EasyFit Automatic Slack Adjusters are engineered with a self-energized sealing design. To measure the chamber stroke on each wheel-end, Bendix typically recommends checking the distance from the chamber to the pin with the brakes released, and again after a full brake application. They think about the internal combustion engine and the corrosion that it People often ask how close to sidewall can a tire is patched. Copyright 2022 Michigan Truck Spring of Saginaw, Inc. All Rights Reserved. Also, remove the old adjuster on the S-cam rod and replace it with the new one.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'automotiveex_com-box-4','ezslot_7',169,'0','0'])};__ez_fad_position('div-gpt-ad-automotiveex_com-box-4-0'); Return to the truck and paint the connecting rod that connects to the air brake chambers rear. Lubricate the idler pulley with an approved lubricant every six months or 50,000 miles. Get back inside the truck and depress the air brake lever to release the air brakes. 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. A Slack Adjuster for All Applications TSE Brake Adjusters offers a complete heavy duty product line able to address any OE design or fleet application. 1.5 inch 10 spline, 5.5 and 6. In this scenario, the downtime incurred includes the time it takes to obtain a vehicle inspection, as well as a mobile service technician to arrive and repair the part. To understand how we can be your partner in commercial vehicle solutions, visit our website. $31.25 $ 31. No commercial vehicle safety technology 0000021258 00000 n 0000044335 00000 n Usually, a 9/16 wrench is needed to turn. Find many great new & used options and get the best deals for Self-Setting Automatic Brake Adjuster For Haldex 400-26231, 409-26019; 40026231 at the best online prices at eBay! 0000317669 00000 n 1.5 inch-10, 6.0 inch arm length, Unhanded. Depending on the application, the adjusters should be replaced after four to five years of usage.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'automotiveex_com-large-leaderboard-2','ezslot_9',171,'0','0'])};__ez_fad_position('div-gpt-ad-automotiveex_com-large-leaderboard-2-0'); The friction surfaces adapt and compensate for the play in the stroke as it wears. Free shipping for many products! When the brake is used, the operating rod pushes out on the slack adjuster which then turns the S-cam. Please select the number of verifiable months youve been driving professionally using your Class A CDL within the last 3 years. How to Measure and Identify a Slack Adjuster Spline Teeth O'Reilly Auto Parts has the parts and accessories, tools, and the knowledge you may need to repair your vehicle the right way. "Brake stroke has a direct impact on braking performance, and. Free shipping for many products! Automatic Slack Adjusters operate in the same manner that manual slack adjuster does but with one key difference. 0000319085 00000 n This means that the brake adjusters automatic adjustment is not affected by the drivers braking method (hard or soft). NTSB [2006]. 6\") HAL-40010211 (28 Spline 5-1/2'':) Visit our Ebay store at https://www.ebay.com/usr/royaltrailersales. /L 368301 Automann is committed to the long term success of its distributors and continues to invest in expanding its product offering and improving its services. 4.5 out of 5 stars 548. . When re-lining brakes, remove the slack adjuster from the S-cam. Nothing on this Page should be construed as creating a professional, contractual, or other relationship between you and Royal or anyone else.Royal makes no representations or warranties of any kind concerning the accuracy, completeness, or usefulness of the content provided on this Page. xref He covers the basic methods to adjust as well as. $147.94. Check the brake drums for maximum diameter and surface finish, and replace if necessary. Automann offers more than 10,000 products for heavy duty truck and trailers ranging from air brake & wheel to suspension components and just about everything in between. Cookie Policy | Both manual and automatic slack adjusters have three qualifications which can be easily measured. Apply more turning power with less fatigue to the hand. /Linearized 1 >> Our team helps customers like you get answers to their unique problems. I have worked at General Motors Company for over five years as the Marketing Operations Production Coordinator. At a minimum, drivers may expect a truck to be out of service anywhere from several hours to multiple days. Collision between a Ford dump truck and four passenger cars, Glen Rock, PA, April 11, 2003. The OEMTOOLS Automatic Slack Adjuster Release Tool and Offset Wrench are the perfect tools for mechanics who need to install and service Meritor-brand air braking systems on heavy-duty trucks, long-haul trucks, and trailers. /N 2 >> endobj /T 367477 4 Years Then rotate the worm wheel 90 degrees before refitting. These slacks can be used at any of the lengths available. You will only need to adjust the automatic brake adjuster during a base brake repair or initial installation. Without this function, the air brake can become out of adjustment and the vehicle may lose its capability to slow or stop consistently. Proper adjustment of the adjusters is essential for the trailer brakes to function properly. 0000327481 00000 n 0000002646 00000 n Amazon.com: Automatic Slack Adjuster Tool 1-48 of 170 results for "automatic slack adjuster tool" RESULTS Price and other details may vary based on product size and color. Our mechanic takes a look at how to adjust an automatic slack adjuster on a Hendrickson Air Ride suspension system. 21K views 3 years ago Gunite Automatic Slack Adjuster Training Part of the Accuride Gunite brand Automatic Slack Adjuster training series. /ID [<28bf4e5e4e758a4164004e56fffa0108><28bf4e5e4e758a4164004e56fffa0108>] 0000040578 00000 n Details, Meritor Type ABA Automatic Slack Adjuster R801041. You agree to indemnify, defend, and hold harmless Royal from and against all claims, damages, or any other losses (including attorneys fees), which arise from, or relate to, your use, viewing, or other engagement with this Page. The stroke adjuster measures the stroke of the pushrod. 0000034294 00000 n Responsibility for the safe operation of the vehicle remains with the driver at Therefore, the slack adjuster and camshaft must have the same amount of teeth. Upon completing these inspections, verify the slack adjusters performance by following the manufacturers instructions on conducting a functional check. Our slack adjusters offer a few unique features that make them the superior choice in the commercial vehicle industry, such as a lifetime lubrication design and enhanced powder coated housing. We get this question a lot at Wheelco. I love cars and love to share everything about them with my readers. Built to be robust and reliable, the industry's lightest-weight automatic slack adjuster optimizes brake performance by increasing payload capacity and enhancing camshaft bracket life. << Release the brake system at full pressure, release the emergency brake and press the air valve to release the brakes. Automatic slack adjuster (ASA) for on-highway, linehaul and vocational applications delivers shorter stopping distances and offers longer lining life. Eliminate the wheel chocks from the rear of the wheels. All disputes arising out of, or related to, your use, viewing, or other engagement with this Page shall be (a) governed by the laws of the State of Michigan and (b) resolved exclusively in the appropriate federal or state court in the State of Michigan. Located in Saginaw, Michigan, and established in 1976, we've been selling online since 2001. Photo, right. 0000035702 00000 n The tendency to manually adjust auto-slacks is longstanding, as Quimby's original report emphasized, and out-of-service brake violations continued to top the annual Commercial Vehicle Safety. Such training should emphasize that manual adjustment of automatic slack adjusters is dangerous and should not be done, except during installation, or in an emergency situation when it is absolutely necessary to move the vehicle to a repair facility. CDC twenty four seven. In 2006, the International Association of Fire Chiefs (IAFC) warned the fire service of this potential problem (IAFC 2006) following an investigative report released by the National Transportation Safety Board (NTSB 2006). Slack adjusters (also called brake adjusters or just "slacks") regulate the distance that the air brake has to travel to apply friction to the wheel. 2007 ed. 4,000 to 6,000 Standard Chassis Each Preventative miles or every Grease Maintenance 3 months Service Interval Every automatic brake adjuster requires inspection at periodic . Privacy | Automatic adjusters should not be operated as manual adjusters except as may be necessary to get the vehicle off the road for service. I am the founder of the. Automatic Slack Adjuster as a component of the foundation brakes. 0000305641 00000 n Establish procedures to ensure maintenance on fire apparatus is conducted as recommended in NFPA 1911, Ensure maintenance is only performed by qualified technicians who meet NFPA 1071. Be safe and check the slack adjuster movement. The ratchet in those isn't exactly like a ratchet tool. However, if you are driving a vehicle that predates this regulation, manual adjusters require fine-tuning. . Trailer Brake Adjustment . Find many great new & used options and get the best deals for Haldex Automatic Brake Adjuster Kit - DS Slack Adjusters; ZZ40010071 at the best online prices at eBay! Automatic Slack Adjusters are one of the most reliable tools in measuring potential issues with your brakes, while getting the best out of them at the same time. Our selection of clutch & flywheel assemblies offer ease of installation, performance, and reliability. Gunite slack adjusters are the industry's. The economics of having a truck be put out of service due to slack adjuster issues is outrageous, when you consider the little-to-no additional cost to install quality automatic slack adjusters that require low maintenance. 0000000017 00000 n An automatic slack adjuster eliminates the need for in-service manual adjustment. 2006 ed. Ultimately, the truck needs servicing and the replacement of a part. Locate the air tank on the trucks side and slowly release the valve to let extra air out of the system. Get help from one of our a dedicated Customer Service Representative who know the industry. /E 332985 95 0 obj Type A, 1.5 inch 28 spline, 6.0 inch arm length. 0000041105 00000 n When you back it off it takes some effort to overcome the spring force and skip over the teeth. startxref It links the cam and the pushrod to the axle boxs air chamber. $34.99 $ 34. 4.5 out of 5 stars 96. Once the automatic slack adjuster itself has been inspected, use the following checklist to examine other wheel-end components and fix any situations that can lead to overstroke. That means the brake is trying to adjust itself back up under application.Adjusting an automatic slack adjuster is fairly simple. 0000318167 00000 n Completely decelerate and re-mark the pushrod to calculate the push rods stroke length and measure between the two markers. Includes 135.H0563 bracket kit. Utilizing self-setting sensor functionality and a lifetime lubrication design, they help prevent the need for service, enabling easier maintenance for each vehicle. Any and all content from such third parties is not endorsed by, and does not represent, the opinions or views of Royal. Place the wedges under both back tries to keep the vehicle from rolling away. What fleets would lose in downtime pays for itself, hundreds of times over.. As fleets strive to ensure their equipment is operating properly and safely this new product will assist . Washington, DC: National Transportation Safety Board, August. 0000318506 00000 n 0000146136 00000 n Probably overkill. Quick Links. Inspect the clevis pins connecting the chamber to the automatic slack adjuster to ensure they turn freely and are coated with an anti-seize lubricant. Brake safety is key for not only vehicles, but also drivers. To view our automatic slack adjuster installation kits, visit the WABCO Customer Care Center. The part is configured to transmit force from the brake actuator to the brake camshaft, so the stroke of the brake cylinders remains unchanged. Begin by removing the pin from the rods end using pliers. 0000021340 00000 n Automatic slack adjuster for on-highway, linehaul and vocational applications delivers shorter stopping distances and offers longer lining life. 1 Year While Royal does not generally regulate the content posted by third parties on this Page, Royal does reserve the right to remove content and/or block users at its discretion.You choose to use the information provided on this Page solely at your own risk. Picture this scenario: A driver transporting a refrigerated trailer full of meat across multiple states experiences an operating issue with his truck. >> 0000327943 00000 n Automatic Slack Adjusters (ASA) are one key part of your braking system that is often overlooked or ignored. Located in Saginaw, Michigan, and established in 1976, we've been selling online since 2001. These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. The part is configured to transmit force from the brake actuator to the brake camshaft, so the stroke of the brake cylinders remains unchanged. Whether your fleet is large or small, nobody wants to deal with a rollover: Theyre dangerous, expensive, and can damage your reputation. << Then loosen it half a turn, and you should be fine. The spline teeth of a slack adjuster fit into the spline teeth of the camshaft. I love cars and love to share everything about them with my readers. The site was originally created for auto enthusiasts of all types, including enthusiasts who like supercars, drive fast, or just simply enjoy the presence of other car lovers. If you need to go back and make any changes, you can always do so by going to our Privacy Policy page. (c) Slack adjusters. One of the belts used to control the steering mechanism is the power steering belt. Automotiveex was proudly founded in 2021 by Courtney D. Sanders as a personal hobby website. What is a slack adjuster and why is it important to your vehicles braking system? The manual adjustment of ASAs may contribute to unexpected brake failure on fire apparatus. They promote a longer product life, using powder-coated housing that helps maximize corrosion resistance. He covers the basic methods to adjust as well as checking the functionality of the slack adjuster. Information on this site is subject to change without notice. Read more aboutBrake FMSCA Regulations. How your clutch system plays an indispensable role for your drivetrain, Park the truck or trailer on level ground, Ensure the parking brake if OFF so can move the slack adjusters, Pull on the slack adjuster. [Slack Adjuster - Automatic, Position Not Specified] SLACK ADJUSTER - M807013 Resources Special Offers Alternative Parts Resources. It maintains proper brake adjustment on the wheel end. "Properly installed and maintained automatic slack adjusters should never need adjusting after the initial setup," Kromer said. There are many factors that can cause an automatic slack adjuster to overstroke, but none of these will be remedied with a manual readjustment. Automatic adjusters should not be operated as manual adjusters except as may be necessary to get the vehicle off the road for service. WABCO automatic slack adjusters use powder-coated housing to help enhance corrosion resistance and extend the products lifespan, reducing the need to replace the part as often. The puncture must be at least 1/2 inch from the edge of Technology has grown so much in the present time that we can now track our vehicles wherever they go. Instead, investigatewhythe brake is over the stroke limit. Our air brake slack adjuster tool set simplifies and speeds up brake servicing and installation. Wheelco is expanding and opening another distribution center with a store front that will be open November 7th, 2022. For transport trucks delivering goods, reducing downtime is always critical and impacts bottom line. /Type /Catalog Check the CVSA guidelines to determine the maximum allowable stroke, which is based on the chamber size and type. Once the lining meets the drum the adjusting mechanism disengages. Its about being therewhenever and wherever you need usin-person, over the phone or online. Centers for Disease Control and Prevention. FREE delivery Jan . Any fitting,. Fire Departments should ensure that all technicians conducting brake service on fire department apparatus: (1) are certified in air brake repair to the level (T-4) required by the Automotive Service Excellence Medium/Heavy Duty Truck Technician Certification and (2) have, at a minimum, Level 1 Fire Apparatus Technician Certification as certified by the Emergency Vehicle Technician Certification Commission. Automatic slack adjusters are designed to automatically adjust for the wear of the brake pad and brake lining. Select your vehicle Make, Year, and Model, and we'll show you products engineered for your vehicle. Facts on truck brake maintenance: Dangers of manually adjusting slack adjusters. Out-of-adjustment brakes is one of the most common problems found in roadside inspection. Might need to do that once a year or whatever. At Wheelco, we suggest adjusting your manual slack adjuster approximately every 10,000 miles. 0000319627 00000 n This societal shift has placed immense pressure on trucking and transportation companies to carry and deliver products faster than ever before. Brake slack adjusters compensate for wear in both the brake lining and the brake drum. They get their name from taking up slack in the pushrod stroke of air brake applicators and keeping the brake linings within optimum clearance between linings and brake drums to ensure safe stopping distance of large trucks. Turn the adjustment screw head on the back of the suspension adjuster counterclockwise to loosen it. New items posted daily!-------------Thank you for visiting Royal Truck \u0026 Trailers (Royals) YouTube Page (Page). 1-5 Months What you need to know about slack adjusters, so your braking system can perform at its best. Because trucking fleets cannot afford to have their trucks and trailers out of service, as it disrupts revenue, customer satisfaction, and brand loyalty, managers are often tasked with the large responsibility of quickly resolving problems in order to keep their operations running smoothly. Meritor Part Numbers:R803195, R803110, R803112, R803116, Stemco Part Numbers:MK41100S, MK42100S, MK42106S, MK43106S, Gunite Part Numbers:AS1132, AS1140, AS1141, AS1144. Low-maintenance, long-life design with fewer moving parts, Q Plus LX500 extended-lube feature combines specially mated brake and Meritor ASA, Installation template for error free Install, Accurately reads the shoe-to-drum clearance. Youll get the first looks and exclusive deals, latest in trucking technology, industry news, tips, and expert advice. This distance increases as use of the brake causes the friction material of the brake shoe to wear away. 35 61 Quincy, MA: National Fire Protection Association. 0000036208 00000 n /Length 496 0000040076 00000 n Often, improper adjustment is due to operator negligence. Therefore, it does not require periodic manual adjustment and is highly recommendednotto adjust unless absolutely necessary or in an emergency situation. Both manual and automatic slack adjusters have three qualifications which can be easily measured. If you are towing a truck, all mistakes can cost you dearly. Bendix Commercial Vehicle Systems LLC 35500 Chester Road Avon, Ohio 44011 . It keeps the stroke constant, no matter if you brake hard or soft. When an ASA is found to be out of adjustment, it signifies the existence of a larger braking system problem that needs correction. Note that the Versajust automatic slack adjuster is compatible with Bendix ASA-5 automatic slack adjusters. 0000035180 00000 n The brake shoes press against the brake drum, applying the brake. You should not have more than a tenth of an inch between the brake lining and the drum, and the pushrod travel should be no more than 2 inches.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'automotiveex_com-medrectangle-4','ezslot_6',168,'0','0'])};__ez_fad_position('div-gpt-ad-automotiveex_com-medrectangle-4-0'); Adjust the air brakes and park the truck in a safe location. Disconnect the connecting rod between the backlash adjuster and the air brake chamber by removing the pin. Every truck driver should know how an automatic slack adjuster work for drums brakes systems and be able to calibrate it from the cab of his truck. Details, Meritor type automatic slack adjuster R803054. When this happens, the slack adjuster will automatically adjust during the return stroke to maintain the correct shoe-to-drum clearance. << Check for proper lubrication of the brake camshaft and cam tube. Therefore, it is acceptable to have a Versajust automatic slack adjuster on one side of the axle and an ASA-5 automatic slack adjuster on the other side of the same axle. The ratchet is spring loaded. By using, viewing, and/or otherwise engaging with the content on this Page, you acknowledge and agree to the following:The content provided on this Page: (a) is intended only to provide general guidance; (b) is not intended to constitute professional advice or professional services; and (c) should never be considered a substitute for professional advice or professional services provided by an individual or company retained by you to provide professional advice or professional services to you. Each company we work with has specific experience requirements for their drivers. Manual adjustment of ASAs should only be done by qualified technicians during installation or when absolutely necessary to move the apparatus to a repair facility (NTSB 2006, 2007; IAFC 2006). /Pages 33 0 R Built to be robust and reliable, the automatic slack adjuster optimizes brake performance by increasing payload capacity and enhancing camshaft bracket life. You will only need to adjust the automatic brake adjuster during a base brake repair or initial installation. 0000328178 00000 n When the brake lining or brake pad wears, the gap between it and the brake drum increases. If you have Haldex style of slack adjusters with a hex that takes a 7/16 socket you do need back it off against the ratchet to make sure the ratcheting mechanism is working. The adjusters have a finite lifespan; they do not outlast the vehicle. Slack adjusters are available in two types: manual slack adjusters and automatic slack adjusters. Check the brake shoe return springs to ensure a proper return to the zero stroke position. In the days before ASAs manual slack adjusters required daily inspection and manual adjustment to maintain adequate braking on heavy trucks with air brakes. It is important to lock the tires before the inspection so that the trailer cannot move. 0000327336 00000 n I have worked at General Motors Company for over five years as the Marketing Operations Production Coordinator. In CDL School Now Construction site haulers, cement trucks, and other haulers face increased risks of contamination and corrosion. 1.5 inch 28 spline, 5.5 inch arm length, 1/2 inch arm hole diameter. Figure 1 Handed and Unhanded Slack Adjusters There are two automatic slack adjuster designs: handed and unhanded. May 25, 2021. NFPA [2006]. Manufacturer Website. Then, using a rubber mallet, tap the connecting rods end. Proper control of the slack adjusters on the truck is essential for safe truck operation. Do not manually adjust automatic slack adjusters after initial adjustment unless you are doing a complete brake overhaul. Turn the clearance adjuster a quarter to a half turn so that there is a small gap between the drum and the liner. CDL Grad, No Experience The Bendix On-Line Brake School at www.brake-school.com provides access to the companys knowledge database and technical resources on all aspects of electronics and air brake maintenance and product education. Details, A Crewson Brunner type automatic slack adjuster with 1.25 inch Camshaft Diameter, 10 Spline, 5. Also, I hold degrees in Electrical and Automation Engineering (BEng), Automatic and Industrial Electronic Engineering, and Automotive Technology. You only getting fresh grease on half of the gearing and the old dried out grease on the rest. However, this is just a general guideline since truck braking systems vary. If the brake needs to be adjusted, compare the actual stroke to the suggested maximum stroke of 1 1/2 inches (38 mm). Using a rubber mallet, tap the side of the trailer tensioner toward the end of the cam rod S until the tensioner is released. I am the founder of the Automotiveex blog, where I share everything about automotive, like car news, car mechanical issues, and anything else that comes up in my blog posts. (For example, the BendixVersajustslack adjuster test is described on page 6 of the product Service Data Sheet.) How to adjust the automatic slack adjuster and maintenance for the automatic slack adjuster.There are several slack adjusters but here are two of the most common sizes:Haldex Automatic Slack Adjuster - HAL-40010212 (28 Spline. /Names << /Dests 27 0 R>> This clears the braking system of all air and frees the moveable adjustments. Copyright 2022 Michigan Truck Spring of Saginaw, Inc. All Rights Reserved, Slack Adjuster | Automatic | 1.5 inch - 28 Spline | 5.5 Inch Span. Then we will back it off one half turn, and your brakes should be set in the proper adjustment.Now let's make sure the brake adjuster is working properly. 78K views 2 years ago How to adjust the automatic slack adjuster and maintenance for the automatic slack adjuster. Clearance adjustment means that the pushrod in the air chamber can be easily adjusted to a predetermined tolerance, maintaining optimal braking performance. Automatic slack adjusters are fast becoming a more reliable and consistent operational part, which is why Wheelco recommends using this type of slack adjusters. It still sounds like you are stripping it out, but that is just the sound of a good spring. 0000040231 00000 n All information these cookies collect is aggregated and therefore anonymous. Tell us what you are driving, and well recommend the best slack adjuster for you. << It means that our employees will do everything we can to best serve you, our valued customer. 0000020158 00000 n 6-11 Months Inspect the camshaft bushings for wear by checking radial and axial endplay, following the brake manufacturers guidelines. trailer Clearance adjusters are meant to continually keep the brakes in the proper position during regular operation. Meritor Type ABA Automatic Slack Adjuster R801041. Royal shall not be liable to you for any losses or damages of any kind, which arise from, or relate to, your use, viewing, or other engagement with this Page. All Rights Reserved. 36 0 obj The slack adjuster assembly transmits the braking torque to the S-cam and facilitates the adjustment of clearance between the brake lining (brake pad) and the brake drum. It is mounted on the S-cam shaft. If an Automann product failure results from a manufacturer defect, contact us at Michigan Truck Spring for support. Turn to the adjusters and locate the connecting rod pin mark. 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 fighters being injured in an apparatus crash due to brake failure: An automatic slack adjuster is a mechanical component of the air brake system that adjust brakes as necessary when the vehicle is in operation to compensate for wear in the brake shoes (drum brakes) or pads (disc brakes). The program does not seek to determine fault or place blame on fire departments or individual fire fighters but to learn from the tragic events and prevent future similar events. /Info 34 0 R ZF Commercial Vehicle Systems North America the largest and most comprehensive commercial vehicle technology supplier and integrator unites trusted brands ZF, WABCO, TRW, Lemforder, and Sachs. Cookies used to track the effectiveness of CDC public health campaigns through clickthrough data. In order for you to receive the best possible offers, please make sure your answers above are accurate prior to submitting. /S 168 35 0 obj Michael Day. Typically ships in 7 to 10 business days. Slack Adjuster Tools for Big Truck, Trailer Brake Adjustment Tool, Hand Tools for Mechanics. The clearance adjuster measures the clearance between the drum and brake lining and keeps the wear consistent (insufficient or excessive clearance between the brake lining and the drum). The camshaft diameter is size of the camshaft that fits your particular slack adjuster. Bendix Commercial Vehicle Systems LLC, a member of the Knorr-Bremse Group. Pull the air brake lever to re-adjust the air brakes, and then switch off the engine. >> An easy way to determine the number of teeth is to simply count them. Details, Automatic slack adjuster guide pawl kit for All Meritor ASAs.