0000319627 00000 n /E 332985 You can review and change the way we collect information below. 0000021340 00000 n Select your vehicle Make, Year, and Model, and we'll show you products engineered for your vehicle. All Rights Reserved. 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. >> Depending on your specific needs we offer several braking solutions. This warranty does not cover loss of freight, loss of profit, equipment, or personal downtime. Its about being therewhenever and wherever you need usin-person, over the phone or online. TruckSpring.com is your source for light, medium, and heavy duty truck and trailer parts. I graduated from Michigan with Bachelor in Automotive Engineering and Management. 0000040231 00000 n Also, I hold degrees in Electrical and Automation Engineering (BEng), Automatic and Industrial Electronic Engineering, and Automotive Technology. I do mine every day, I think it keeps everything working and less likely to seize up. 21K views 3 years ago Gunite Automatic Slack Adjuster Training Part of the Accuride Gunite brand Automatic Slack Adjuster training series. Automatic adjusters should not be operated as manual adjusters except as may be necessary to get the vehicle off the road for service. Never use an impact wrench to adjust. Fork-end tool to release the tensioner button, and a 5/16" double square offset reversible wrench with E-Z Grip handle. startxref . If the air brake chamber push rod stroke is within limits during operation, no adjustment occurs. 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). 0000326347 00000 n Haldex type automatic slack adjuster 135.S2844 for trailer axles with 12-1/4 inch brakes. The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a non-federal website. Part of the brake products portfolio, WABCO automatic slack adjusters are are designed to reduce service time and keep vehicles on the road. 428K views 8 years ago Our mechanic takes a look at how to adjust an automatic slack adjuster on a Hendrickson Air Ride suspension system. Cookie Policy | Centers for Disease Control and Prevention. %%EOF 0000002218 00000 n 0000328178 00000 n However, it is important to have them routinely checked to ensure they are properly adjusted and performing at their best. 0000328096 00000 n 4 Years I Need CDL Training With a weak or broken spring you can back it off with little to no effort and the slacks will lose their adjustment. The clearance adjuster is an arm attached to the pushrod on the brake unit. >> Often, improper adjustment is due to operator negligence. Move to the trucks front and depress the air brake lever. Our team helps customers like you get answers to their unique problems. Automatic slack adjusters have an adjusting mechanism that adjusts for brake lining wear. Automatic slack adjusters remove the slack in the brake linkage without the need for manual adjustment. In 2022, Brake Safety Day inspections reported 14% of commercial motor vehicles inspectedwere taken off of the road to be serviced for brake-related problems. These cookies may also be used for advertising purposes by these third parties. TruckSpring.com is your source for light, medium, and heavy duty truck and trailer parts. Located in Saginaw, Michigan, and established in 1976, we've been selling online since 2001. Thus, fleet managers are constantly seeking new ways to enhance their operations to become more efficient, cut unnecessary costs, and enhance uptime to deliver goods faster. I have worked at General Motors Company for over five years as the Marketing Operations Production Coordinator. Find many great new & used options and get the best deals for 801073 Automatic Slack Adjuster Replaces Merit 1.5"X28 Spline 5.5" Arm Lenath at the best online prices at eBay! Without this function, the air brake can become out of adjustment and the vehicle may lose its capability to slow or stop consistently. 0000327336 00000 n I have worked at General Motors Company for over five years as the Marketing Operations Production Coordinator. It's easy to find the correct replacement slack adjusters for your truck, tractor or trailer. /Info 34 0 R 0000001650 00000 n At Wheelco,beingcustomer drivenis more than just a motto we live by. Get back inside the truck and depress the air brake lever to release the air brakes. These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. By checking this box and clicking the "Send me job offers" button below, I represent that I: By checking this box and clicking the "Send me job offers" button below. CDL Grad, No Experience 35 0 obj Under CVSA inspection guidelines, drivers can incur fines if 25 percent of a trucks wheel-ends are out of 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! Therefore, the slack adjuster and camshaft must have the same amount of teeth. Details, Haldex type self-securing automatic slack adjuster with 1.5 inch Camshaft Diameter, 28 Spline, 6. 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. It keeps the stroke constant, no matter if you brake hard or soft. Automatic Slack Adjusters Manual Slack Adjusters updown Compare You can compare up to 4 part numbers. 0000305491 00000 n driver training. You will only need to adjust the automatic brake adjuster during a base brake repair or initial installation. 0000306367 00000 n For transport trucks delivering goods, reducing downtime is always critical and impacts bottom line. Discussion in 'Trucks [ Eighteen Wheelers ]' started by Dusty Boots, Sep 7, 2013. So in that regard, he is correct. Lubricate the idler pulley with an approved lubricant every six months or 50,000 miles. Quincy, MA: National Fire Protection Association. replaces a skilled, alert driver exercising safe driving techniques and proactive, comprehensive Without your consent employers will not be able to contact with job offers, would you like to opt-in now? 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. Those gears don't turn too much. 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. 0000035702 00000 n The difference between the two measurements is the chamber stroke. We understand that no two customers are alike, nor are their needs. (c) Slack adjusters. However, manual slack adjuster periodically needs to be adjusted to properly function and operate at peak performance and compensate for lining wear. I love cars and love to share everything about them with my readers. Many slack adjusters feature multiple pin holes. /Prev 367465 Job Listing Rules. The ratchet is spring loaded. 0000035936 00000 n Locate the air tank on the trucks side and slowly release the valve to let extra air out of the system. As consumer expectations are higher than ever before and are expected to continue rising, buyers have become accustomed to products being widely available and goods arriving at their doorstep in a matter of hours. 0000040741 00000 n Note that the Versajust automatic slack adjuster is compatible with Bendix ASA-5 automatic slack adjusters. Brake slack adjusters compensate for wear in both the brake lining and the brake drum. endobj As for greasing it too, well, as you back it off you are putting all the gears and cogs through a full revolution with fresh grease. TSE Brakes, Inc. is introducing the latest innovation in their line of Auto Slack Adjustors, with the new Brake Adjuster with Visual Stoke Indicator. 0000306885 00000 n OEM quality manual and automatic slack adjusters for commercial trucks and trailer braking systems. Check the brake drums for maximum diameter and surface finish, and replace if necessary. The manual adjustment of ASAs may contribute to unexpected brake failure /S 168 Technical advice on the topics that matter most. If it moves more than 1 inch or 25mm where the pushrod is attached it most likely requires adjustments. . Further, the NTSB has recommended, and NIOSH agrees, that all drivers of fire apparatus equipped with air brakes must undergo training and testing to demonstrate proficiency in the inspection and operation of air-braked vehicles. 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. Inspect the return spring on the air chamber or on the service side of double diaphragm spring brakes. FREE delivery Jan . There are several slack adjusters but here are two of the most common. Responsibility for the safe operation of the vehicle remains with the driver at 0000040578 00000 n I give my express consent authorizing TruckersReport and its. xref The purpose of the program is to investigate fire fighter line-of-duty deaths and formulate recommendations for preventing future deaths and injuries. Automatic slack adjusters are designed to require little maintenance. 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. Crawl beneath the trucks bed to locate a turnbuckle. Locate the adjustment mechanism on the clearance adjuster. Services 4 slack adjusters. 0000033577 00000 n 0000317669 00000 n 0000319336 00000 n Bendix Commercial Vehicle Systems LLC, a member of the Knorr-Bremse Group. Get help from one of our a dedicated Customer Service Representative who know the industry. 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. Making sure that all four wheel ends are adjusted properly will keep your trailer stopping as it should. 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. 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. Automatic Slack Adjusters operate in the same manner that manual slack adjuster does but with one key difference. Manufacturer Website. Please select the number of verifiable months youve been driving professionally using your Class A CDL within the last 3 years. So, ensuring vehicles are regularly maintained tends to make a strong difference in preventing breakdowns and repairs. True to the name, they are easy to fit and install on most commercial vehicles. When you back it off it takes some effort to overcome the spring force and skip over the teeth. If a wheel-end equipped with an automatic slack adjuster is out of adjustment, Bendixs first and most important piece of advice is this: Do not manually adjust the adjuster. This clears the braking system of all air and frees the moveable adjustments. On all Automann products against defects in workmanship or material for a period of 1 year. What you need to know about slack adjusters, so your braking system can perform at its best. 0000146136 00000 n Might need to do that once a year or whatever. Details, Automatic slack adjuster guide pawl kit for All Meritor ASAs. 1 Year Bendix reminds vehicle owners of its clear, step-by-step guidelines for addressing out-of-adjustment wheel-ends equipped with automatic slack adjusters. Have a question and want to talk to a human? You only getting fresh grease on half of the gearing and the old dried out grease on the rest. In CDL School Now 1.5 inch 28 spline, 5.5 inch arm length, 1/2 inch arm hole diameter. Release the brake system at full pressure, release the emergency brake and press the air valve to release the brakes. 0000034294 00000 n << The experts at Bendix Commercial Vehicle Systems LLC recognize that proper brake stroke adjustment and maintenance are critical to commercial vehicle and roadway safety. Never use an air impact wrench to adjust/de-adjust an Automatic Slack Adjuster. This means that the brake adjusters automatic adjustment is not affected by the drivers braking method (hard or soft). 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. 1.5 inch-10, 5.5 inch arm length, Unhanded. We take your privacy seriously. %PDF-1.3 Safety Advisory: Manual Adjustment of Automatic Slack Adjusters May Contribute to Unexpected Brake Failure on Automotive Fire Apparatuspdf icon [PDF 363 KB]. 0000000017 00000 n "Properly installed and maintained automatic slack adjusters should never need adjusting after the initial setup," Kromer said. Our Michigan Based Parts Experts Can Help. 0000306525 00000 n This can be found by measuring the inside of the socket or the width of the camshaft. At TruckSpring we have been working with Automann since their beginning. 1-5 Months 0000020313 00000 n 2 Years Royal reserves the right to change or replace the content provided on this Page at any time.Visitors to this Page may post comments or other content in response to the content provided on this Page. Pressurize the system and brake with normal pressure. Our selection of clutch & flywheel assemblies offer ease of installation, performance, and reliability. We offer premium products and popular brands. 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. Includes 135.H0563 bracket kit. Because properly installed, operating, and lubricated automatic slack adjusters should never need adjusting after the initial setup, aside from brake relining, Bendix also emphasizes that an out-of-adjustment ASA should never simply be manually adjusted to correct an out-of adjustment brake stroke. Automatic slack adjuster for on-highway, linehaul and vocational applications delivers shorter stopping distances and offers longer lining life. Details, A Crewson Brunner type automatic slack adjuster for 12-1/4 inch brake with 1. It links the cam and the pushrod to the axle boxs air chamber. It is mounted on the S-cam shaft. K Tool International 70130 Heavy Duty Truck Air Brake Automatic Slack Adjuster Wrench Set, Fork End Release, Double Square Offset Reversible Wrench. Cookies used to track the effectiveness of CDC public health campaigns through clickthrough data. If the brake needs to be adjusted, compare the actual stroke to the suggested maximum stroke of 1 1/2 inches (38 mm). Typically ships in 7 to 10 business days. This distance increases as use of the brake causes the friction material of the brake shoe to wear away. The adjusters have a finite lifespan; they do not outlast the vehicle. /ID [<28bf4e5e4e758a4164004e56fffa0108><28bf4e5e4e758a4164004e56fffa0108>] New items posted daily!-------------Thank you for visiting Royal Truck \u0026 Trailers (Royals) YouTube Page (Page). For more information, visit our literature store to access an extensive library of information aimed at helping you learn all you need to know to keep commercial vehicles performing their best. 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. We have standard automatic slack adjusters for over-the-road tractors and trailers, severe duty applications such as cement, refuse and logging, intra-city transit buses and intercity motor coaches. If a wheel-end equipped with an automatic slack adjuster is out of adjustment, Bendix's first - and most important - piece of advice is this: Do not manually adjust the adjuster. 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. Details, Greasable clevis pin CPS114, 1/4 inch diameter x 1-1/4 inches long with cotter key. This reduces uneven wear. 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. On April 27, 2022, 46 jurisdictions in the U.S. and Canada preformed an unannounced one-day inspection and enforcement initiative focusing on brake systems and components. Bendix Commercial Vehicle Systems LLC; Knowledge-dock.com; Brake-school.com; GET IN TOUCH. Also check the manufacturers recommendations for lubrication of the adjuster, noting the suggested mileage, frequency, and lubricant grade. However, this is just a general guideline since truck braking systems vary. 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 . May 25, 2021. So, when the driver presses down on the brake pedal, air is forced into the brake chamber and shoves the push rod out. BSFB is a joint venture between Bendix Commercial Vehicle Systems LLC and Dana Commercial Vehicle Products, LLC. The part is configured to transmit force from the brake actuator to the brake camshaft, so the stroke of the brake cylinders remains unchanged. 0000020158 00000 n Do not manually adjust automatic slack adjusters after initial adjustment unless you are doing a complete brake overhaul. Our slack adjuster knowledge is immeasurable. New Refrigerant Regulations You Must Know, Fluid Power Basics: Stop Wasting Energy & Money, St. Built to be robust and reliable, the automatic slack adjuster optimizes brake performance by increasing payload capacity and enhancing camshaft bracket life. Facts on truck brake maintenance: Dangers of manually adjusting slack adjusters. The spline teeth of a slack adjuster fit into the spline teeth of the camshaft. Includes 135.H0563 bracket kit. When this happens, the slack adjuster will automatically adjust during the return stroke to maintain the correct shoe-to-drum clearance. /Root 36 0 R Then, using a rubber mallet, tap the connecting rods end. all times. Pull the slack to its applied position . Automatic slack adjusters have an adjusting mechanism that adjusts for brake lining wear. What fleets would lose in downtime pays for itself, hundreds of times over.``. You will only need to adjust the automatic brake adjuster during a base brake repair or initial installation. Details, Meritor Type ABA Automatic Slack Adjuster R801041. All information these cookies collect is aggregated and therefore anonymous. What You Need to Know About WABCO Aftermarket Programming, 14% of commercial motor vehicles inspected, Designed for lifetime greasing (eliminating the need for regreasing), Superior durability and corrosion protection against impact, abrasion, and harsh conditions, Unique adjuster mechanism that aims to consistently prevent over-adjustment and reduces pulling. 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. Wheelco Truck & Trailer Parts 61 Years, Since 1961! The effective length of the slack adjuster on each end of an axle must be the same. It is important to lock the tires before the inspection so that the trailer cannot move. Using a rubber mallet, tap the side of the trailer tensioner toward the end of the cam rod S until the tensioner is released. 35 61 $34.99 $ 34. At Wheelco, we suggest adjusting your manual slack adjuster approximately every 10,000 miles. 0000035324 00000 n Construction site haulers, cement trucks, and other haulers face increased risks of contamination and corrosion. Fleets have estimated the cost of downtime to be a loss of about $100 per hour. I am an Automotive specialist. Details, A SORL manual slack adjuster, 1.5 inch camshaft diameter, 28 spline and 5.5 and 6.5 inch arm span. When the brake lining or brake pad wears, the gap between it and the brake drum increases. Compare. 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. The ratchet in those isn't exactly like a ratchet tool. Clear all. Saving Lives, Protecting People, The National Institute for Occupational Safety and Health (NIOSH), Lessons learned from a fatal crash: Truck air brake warning: Manually adjusting automatic slack adjusters is dangerous, can lead to deadly consequences, http://www.iafc.org/displayindustryarticle.cfm?articlenbr=30820, Safety Advisory: Manual Adjustment of Automatic Slack Adjusters May Contribute to Unexpected Brake Failure on Automotive Fire Apparatus, National Institute for Occupational Safety and Health, Fatality Assessment and Control Evaluation Reports (FACE), Firefighter Fatality Investigation Reports, U.S. Department of Health & Human Services. If you need to go back and make any changes, you can always do so by going to our Privacy Policy page. Automatic slack adjusters that are properly maintained require no manual adjustments. 0000001548 00000 n He covers the basic methods to adjust as well as checking the functionality of the slack adjuster. Once the lining meets the drum the adjusting mechanism disengages. What we will do is back it off further than one half turn. Information on this site is subject to change without notice. Figure 1 Handed and Unhanded Slack Adjusters There are two automatic slack adjuster designs: handed and unhanded. 99 . 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. Our Michigan Based Parts Experts Can Help. 0000035854 00000 n Replaces OEM numbers 40020304, 400-20304, 409-20010 and 40920010. Additionally, fire departments should adhere to manufacturer guidelines and recommendations and applicable federal, state or provincial, and local laws regarding apparatus inspection and maintenance [NFPA1911]. 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. This brake adjuster is already backed off one half of a turn. Inspect the cam head and rollers for abnormal wear. Completely decelerate and re-mark the pushrod to calculate the push rods stroke length and measure between the two markers. Details, A Crewson Brunner type automatic slack adjuster with 1.25 inch Camshaft Diameter, 10 Spline, 5. Copyright 2022 Michigan Truck Spring of Saginaw, Inc. All Rights Reserved, Slack Adjuster | Automatic | 1.5 inch - 28 Spline | 5.5 Inch Span. Automatic slack adjuster (ASA) for on-highway, linehaul and vocational applications delivers shorter stopping distances and offers longer lining life. Automatic slack adjusters are fast becoming a more reliable and consistent operational part, which is why Wheelco recommends using this type of slack adjusters. Cookies used to enable you to share pages and content that you find interesting on CDC.gov through third party social networking and other websites. Free shipping for many products! 4.8 (2,503) $4538 $69.99 FREE delivery Wed, Mar 8 Titan - 2 Pc. (Bendix recommends using an NGLI grade 2 lubricant at every preventive maintenance inspection, which is approximately every three months or 30,000 miles.). 6\") HAL-40010211 (28 Spline 5-1/2'':) Visit our Ebay store at https://www.ebay.com/usr/royaltrailersales. 6-11 Months What we will do to adjust this is put our wrench on here and turn it clockwise until the brake tightens up. Quincy, MA: National Fire Protection Association. Adjust the manual clearance screw. Any fitting,. Description: SLACK ADJUSTER, Brand: Meritor [MERTR], Unit of Measure: Each, VMRS Code: 013-017-017 [Slack Adjuster - Automatic, Position Not Specified], . Ensure that ASAs are not manually adjusted. Bendix safety technologies complement safe driving practices. For example, a slack adjuster with an arm span of 5.0 and 6.0 inch can be used in applications where a 5 inch or 6 inch arm span is needed. Instead, investigatewhythe brake is over the stroke limit. 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 . This procedure only takes a few minutes to. Every month 400 people find a job with the help of TruckersReport. Automatic slack adjusters are designed to automatically adjust for the wear of the brake pad and brake lining. 0000002646 00000 n [Slack Adjuster - Automatic, Position Not Specified] SLACK ADJUSTER - M807013 Resources Special Offers Alternative Parts Resources. There are many factors that can cause an automatic slack adjuster to overstroke, but none of these will be remedied with a manual readjustment. 0000317634 00000 n What fleets would lose in downtime pays for itself, hundreds of times over.. 0000327481 00000 n "Dimensions and the geometry have to be maintained throughout the . NTSB [2006]. Follow the s-cam to see which direction it moves to make sure you set it up correctly; once the push rod is pushed out of the air chamber, you are wrongly adjusting it.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[580,400],'automotiveex_com-medrectangle-3','ezslot_4',167,'0','0'])};__ez_fad_position('div-gpt-ad-automotiveex_com-medrectangle-3-0'); Continue to tighten until you feel resistance, which indicates that the brake pads have been drawn near the drum. 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. When the brakes are applied or released, the full clearance adjuster spins with the brake camshaft as a unit. Thank you for taking the time to confirm your preferences. Manual slack adjusters compensate for the distance in the brake linkage by adjustments made with a wrench. 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Filter the list of Matching Products by selecting any of these options: 40010121, 40010143, 400-10143, 409-10733, 40910733, 409-10813, 40910813, 11-399, 11-399-100, 11-500, 11-501, 11-502, Slack Adjuster | Meritor Type Automatic | 1.5 Inch - 10 Spline | 6.0 Inch Span, Slack Adjuster | Haldex Type Automatic | 1.5 Inch - 28 Spline | 6 Inch Span, Slack Adjuster | Meritor Type Automatic | 1.5 Inch - 28 Spline | 6.0 Inch Span, Slack Adjuster | Automatic Pawl Kit | Meritor, Rockwell, ABA Slack Adjuster | Automatic | 1.5 Inch - 10 Spline | 5.5 - 6.5 Inch Span, Slack Adjuster | Automatic | 1.5 Inch - 28 Spline | 5 - 6 Inch Span, Slack Adjuster | Automatic | 1.25 Inch - 10 Spline | 5.5 Inch Span, Slack Adjuster | Manual | 1.5 Inch - 28 Spline | 5.5 - 6.5 Inch Span, Slack Adjuster | Meritor Type Automatic | 1.5 Inch - 10 Spline | 5.5 Inch Span. 0000021258 00000 n Lang Tools Automatic Slack Adjuster Release Tool and Wrench . 78K views 2 years ago How to adjust the automatic slack adjuster and maintenance for the automatic slack adjuster. Eliminate the wheel chocks from the rear of the wheels. They automatically adjust for the gradual brake lining wear. Check the brake shoe return springs to ensure a proper return to the zero stroke position. Any and all content from such third parties is not endorsed by, and does not represent, the opinions or views of Royal.