Place a ruler next to the timing belt. A quality tensioner is as important as a quality belt. T-50 Design with large pulleys with more teeth in mesh. The normal automobile recommendation for 4 cylinder cars is typically 5 years or 60,000 miles. Belt Type: Over tensioning shortens belt and bearing life. Belts are neoprene with fiberglass reinforcement for quiet operation with high strength. First of all many many thanks to Rgis Henrion for his great video that showed me how this is done (https://www.youtube.com/watch?v=-Je33COvgjA). $90.98. tensioner. Water pump bolts 8.7 ft-lb. 67 = 3/8", 68 = 1/2", 69 = 21/32" Last two digits indicate length in inches. Retension Multi-rib belts if tension drops below 20# Installing a retainer plate holds the balance shaft seal in place. The Tabs. SKU: 6673 . 4) Loss of power and poor gas mileage. Reinstall the timing belt covers and crank pulley, keep an eye on the half moon key on the crank so it stays in. Example: 2450 = 4L450 Belt has 1/2" top width and 45.0" O.C. There is no definitive, non-contradictory recommendation from Honda regarding GL1000 cam belt interval. Low Tension Requirements The "tooth grip" principle of timing belts does not require high tension, so bearing loads are minimized, resulting in longer bearing and motor life. $38.95. 1983 - 1986 944 Timing Belt Arrangement. The belt and the pulley may be extremely hot after the operation. Dayco No Slack Idler/Tensioner Pulleys are designed to replace worn Serpentine and V-Belt drive Idler and Tensioner Pulleys. Timing belt drive systems also possess a high power density when compared to flat or V-belt drives, which means that smaller belt and pulley drives can be employed for the transmission of equivalent loads. A timing belt synchronizes the opening and closing of the engine's valves precisely. Many repair manuals include a schematic . 0.75 1 1.5 2 3 any width.Closed-loop H Timing Belt usually Fit For torque transmission and light load conveyance. If multiple belts are needed for a drive, divide tension by number of belts to give per belt tension to be measured. 4. idler. Description: 1.5L. Timing Belts + Kits Contents > Timing Belt > Tensioning pulleys, idler/guide pulleys, tensioning dampers > Small parts such as screws, nuts and springs > Hard-wearing replacement sticker (please see 'Know-how' section) No half measures: For maximum safety, when the timing belt is replaced . Since it's made of rubber material, it starts to wear down with age, and will slip on the metal pulley . With the timing belt tool installed, the gauge on the tool will be upside down and the flat bars on the tool that slide between the timing belt and the timing belt cover will be a snug fit. Wide Range of Load Capacities and Speeds Design versatility makes timing belts the right choice for a variety of applications. PoweRated First two digits indicate belt top width. Power steering pump mounting bolts 16 ft-lb. Dayco's reputation for top performance Idler and Tensioner Pulleys is the result of the advanced automotive technologies employed in the materials research, design engineering and . Click on the link above to go to the WebCAP site. Timing Belts exhibit important properties such as fixed speed ratio, no re-tensioning after installation, low maintenance with a wide variety of power transmission capacities and drive speeds. Correct V-Belt tensioning is the single most important factor necessary for long, satisfactory operation. Usually 83A/85A durometer round belts are stretched 10-12%, and 92A/95A durometer belts are . I submit that the GL1000 engine puts more stress on its belts than a typical car does (via higher performance cams and much higher redline.) Click to Enlarge. Calculate deflection 3. 1. Check after jog start or 1-3 minutes of operation, at 8 hours, 24 hours, 100 hours and periodically thereafter are recommended. Slacken both bolts just enough to let you slide the tensioner. crank seal. When the colors are paired, the correct belt and sprocket have been matched. Allow them to cool down suf ciently before touch. Therefore, the life expectancy of a timing belt is lowered in hot or leaky engines. Might as well change the accessory drive belts, too, while you're at it whichever comes first. Spark plugs (will also be changing those) 13 ft-lb. Checking With A Timing Belt Tension Gauge When it is correct, tighten both bolts and refit the timing-belt cover and fan belt. 1998-2005 VW Passat change inveral is 75,000 miles for 1.8T (US) B5 and B5.5 chassis. Place the timing belt on the exhaust and intake camshaft position actuator adjusters. Run belt for five minutes. To properly tension a timing belt, place belt on pulleys and adjust takeup until the belt teeth mesh securely with the pul- ley grooves. Belt Tension Calculator. These belts have teeth on both sides to transmit power from either side and rotate pulleys in opposite directions. Then tighten belt so that it deflects 1/64-inch for every inch of belt span when a force as specified in the table below is applied to the top of the belt. With the belt removed, check or replace the seals and water pump and install a seal retainer. Universal Belt Tension Gauge . Ideal tension is the lowest tension at which the belt will not slip under peak load conditions. Help. Use high quality machined pulleys to minimize radial runout and lateral wobble. Timing belt. Rainbow Precision Products is your premier source for premium quality SilentSync Belts. Grab the timing belt with one hand and give it a tug. 1. This app provides a simple way for field engineers and technical sales people to check the quality of an existing belt drive design even in the most remote places. Accessory Drive Belt Tensioner Assembly. Rubber degrades with higher temperatures and contact with motor oil and antifreeze. The advantage of data sheets is that you will get all of the specs for the particular pitch you want. 2. 1.8L Turbo - The most recent recommend timing belt replacement interval for 1.8L Turbo models is 75,000 miles. Use a single belt to drive three or more pulleys in reversing and serpentine drive systems. Overview. Engine mount bolts Replace all 5 bolts. Torque is 33 ft-lb. Do not over tension the belt. cam seals. Specs. Timing Belt Tensioner: GTI 16V, GLI 16V, Scirocco 16V, Passat 86-94. first two digits of industry standard number. 1987 - 1991 944 Timing Belt Arrangement. Select from the dropdown options below to find the appropriate belt tension for your belt. t = belt span length (m) L = belt pitch length (m) Y = tensioning constant based on belt (provided by manufacturer) When the belt system uses a simple two-pulley configuration, the distance between the pulley shafts is directly related to the tension on the belt, so this distance can be used to determine the belt tension. If there is less than 1/4 of slack, it's too tight and needs to be loosened. SIT Timing Belts cover a wide length range, beginning from 111mm for HTD 3M to 4.578mm for HTD 14M and all require- ments of the design engineers are thus satisfied. Set the (large) O-ring on the body of the pencil style tension gauge at the dimension equal to 1/64" inch for every inch of span length. tension prevents jumping of the pulley teeth during belt operation. iberglass or Kevlar) running the length of the belt. Timing Belt drive is not considered as a substitute or replacement to other modes of Belt drives. The serpentine belt, or accessory drive belt, in your car is the key component that transfers energy from the crankshaft to other crucial systems like the alternator and A/C compressor. Timing belts are basically flat belts with a series of evenly spaced teeth on the inside circumference, thereby combining the advantages of the flat belt with the positive grip features of chains and gears. Belt Style Timing Belt; Timing Belts Belt Type Timing Belt Belt Section L Belt Section L; L Belt Material Nylon Belt Number 187L Belt Width 1/2 Teeth Shape Trapezoidal Pitch Length 187mm Cord Material Fiberglass Overall Width 0.5in Belt Number 187L; 187L Belt Internal Length 18.70 Number of Teeth 50 Belt Pitch 3/ . Noise - A good indication that a timing belt . Sheet3. Apply force at right angles to the center of the span (see diagram below). Design frame/shafting to be rigid under load. Readings are displayed on a liquid-crystal screen. Tension ranges below are for drives requiring single belts . TECHNICAL SECTION Keep belts tight, and control tension closely. (b) Multiply by 2 to represent a double span break. The 2.2-liter engine used in the Accord had a balance . I think it's interesting to note that the Ducati tool for checking the belt tension on the 4V motors has changed for the testastretta. The testastretta engines, as well as all new . View only. Ideal tension is the lowest tension at which the belt will not slip under peak load conditions. Then, hold meter sensor to belt span and slowly strum belt to vibrate it. BELT TENSION CHECKER TENSIONING V-BELT DRIVES WITH A BROWNING TENSION CHECKER General rules of tensioning. Porsche Timing Belt Tension tool (P9201) Thin 24 mm and/or thin 27 mm open end wrench (depending on style of eccentric roller) Refer to the Timing Belt Arrangement drawings below for details. Check tension frequently during the first 24 hours of operation. It displays the natural vibration frequency of a belt strand so you can closely monitor belt tension. thats not good. Retension V-belts if tension drops below 50#. 3. Apply the appropriate belt tension as speci ed in the relevant catalog and design documents, etc. Contact us for more information regarding our SilentSync Timing Belt options or call us at 888-268-2122 and we will gladly answer any questions that you may have. Start putting the pulley brackets back on to the motor and reinstalling belts. SKF Belt Calculator. Lock it by tightening the bolt over the slot. Categories: Specialty Tools. 2000-2005 VW Jetta change interval is 75,000 miles for 1.8T (US) A4 chassis. Step 8. Belt length is to the nearest tenth of an inch. 4. As the crankshaft turns, the timing belt is set in motion. You might hear it slapping around as the engine cranks over. Guide the timing belt past the tensioner and place it on the crankshaft sprocket wheel. A leading Manufacturer, specializing in ribbed belt transmissions (Poly V , FleXonic , ConveyXonic, HPPTM). Interactive Belt Tension Chart | Gates Corporation Proper belt tension ensures optimum performance of a vehicle's accessory belt drive system. BRECO flex CO., L.L.C. Find Belt Tension and Bearing Load From Hz. Search: Dayco Belt Cross Reference Chart. Form Responses 1. Select the strength factor for your application and divide the effective tension from step 7 by the strength factor to determine the required break strength for the belt design. Apply tension to the timing belt tensioner (2) in the direction of the arrow, using an Allen key (1). After seating belt, reset tension to amount recommended in the retension amount column of belt Used & in-service belts (tension maintenance): 1. But that's only half the story. Plastic timing belt cover bolts (upper and lower) 8.7 ft-lb. Push "measure" button to get the reading and the meter rapidly converts vibrations into tension.. Move the tensioner as necessary to tighten or loosen the belt. Engine Won't Start - If your Aviator's timing chain or belt has fallen off completely, broken, or has jumped a few teeth, it is entirely possible that the engine won't even start. Figure # 1: Belt Static Tension 3.1 Recommended Method For Calculating And Measuring Belt Static Tension Based on Drive Parameters V-belt drives can operate satisfactorily over a wide range of tensions. 480H Timing Belt Replacement 96 Teeth 480H Sychronous belt,Pitch 0.5 (12.7mm ,Neoprene Rubber Trapezoid belt. However, for specialized applications, they are sometimes the only option because of their power and torque transmission capabilities. Timing Belt Tensioning Tool Schwaben ES2222281 R 4) With the tension gauge mounted on the belt, read the actual belt deflection on the sliding scale indicator, referred to in the chart as the optimum tension. All done now fill the radiator back up with . (Calculates the force exerted by an endless belt on a pulley, i.e., the force of two belt strands) We recommend stretching most unreinforced round belts at least 5%. This, along with many other symptoms, indicates that it's time for a new . Required belt tension is low, therefore producing very small bearing loads. Speeds can range from 1 to over . Select from the dropdown options below to find the appropriate belt tension for your belt. If belt tension drops below Suggested Tension range, retighten belt to Installation Tension. Based on experience, timing belts perform best with the slack side tension as follows: T2 = (0.1,.,0.3) Te Drives with a fixed center to center distance Drives with fixed center distances have the position of the adjustable shaft locked after pre-tensioning the belt (see Figs . 5. alright, about 3/8 of an inch, maybe less between the cam gears, about 1/2 inch on the intake side, however on the exhaust side its over an inch in deflection. And I highly recommend you change EVERYTHING under the timing cover. L Series Timing Belts with Teeth on Both Sides. 1992 - 1995 968 Timing Belt Arrangement. The tension on a new belt should be 4.0 +/- 0.3. SIT S.p.A.- info@sitspa.it Pitch length Lw Measure the belt span. After some . Engine. TensionRite Belt Frequency Meter from the trusted brand of Continental provides a simple, repeatable and reliable method for tensioning belts using optical technology. A timing belt is typically rubber with high-tensile ibers (e.g. Check the tension at least twice during the first day Check after jog start or 1-3 minutes of operation, at 8 hours, 24 hours . Sheet2. Goodyear Belts has launched a new belt program with outstanding quality and durability. WebCAP can be used for simple 2-pulley v-belt drives to design for optimal efficiency or to calculate proper tension values. Note: Please refer to OEM recommendations about where to place the tension gauge on the belt. Procedure It will usually need to be replaced every 80,000 miles. 1999-2005 VW Beetle change interval is 75,000 miles for 1.8T. Goodyear Belts knows the challenges your business faces and will provide you with the service and support you need to compete. BELT TENSIONING INSTRUCTIONS 1. Add to Cart. Optibelt WebCAP is an easy-to-use online drive design and tension calculation tool. Push the tensioning roller against the cam belt until the locking pin on the tool engages. Move the tensioner to release tension and snug the bolt. SECTION 10 BELT TENSIONING 10.1 What Is Proper Installation Tension One of the benefits of small synchronous belt drives is lower . From precision mechanics to heavy duty equipments, SIT S.p.A. will always offer you economical solutions for every problem. You change the timing belt every 90K or 108 months . The calculated tensions are less accurate above 25% stretch. Center to center distance all the way FORWARD How it works: First, inform span length, mass constant and width into the meter by using the keypad. Inappropriate tension could result in damage of the belt and shaft. Our expertise is renowned in the fi eld of converting V-belt transmission systems to a Poly V or Flexonic ribbed belt solution. As a result, you may notice a loss of power - especially during acceleration - as well as bad gas mileage. The ideal tension is the lowest tension at which the belts will not slip excessively at the highest load condition. Second, Ducati tells us that the proper belt tension is critical to avoid over-tensioning the belts that can lead to premature failure. Engine Timing Belt Tensioner Pulley. No one argues with this. How you tension a belt at installation will Belt Tension Calculator Proper belt tension ensures optimum performance of a vehicle's accessory belt drive system. Use these Cross Reference Guides to compare battery products with corresponding product numbers from various manufacturers Refine by: Drive Belt (part) Dayco (brand) Price Dayco Aftermarket : Catalogue automotive car trucks replacement change parts, belt chain tensioner damper Fabric materials of various kinds may cover the stock material to provide a . Motorcycle. The belt line that puts the customer first. Timing Belt Tensile Strength Chart Factors that Contribute to Tensile Strength Diameter - The cross-sectional area of the cord is proportional to the tensile strength Filaments - Increasing the number of filaments for a give cord diameter increases the flexibility of the belt. 2. With the balance belt out of the way, loosen the just-installed bolt. In Stock. put the fan/clutch back on, the rad back in, tighten hoses, and reconnect the breather tube to the intake. two-valve cars, timing belt failure or slippage can cause the pistons to hit the valves, resulting in major damage to the engine. (aka "how tight is it?") Sheet1. Model Number: 480H Timing Belt. After that, the camshaft is then turned by the timing belt and opens or closes every valve and allows pistons motion in an upward and downward manner. Raise the vehicle. The two distances required will have one of the shafts in the all the way forward position and the other in the all the way backward position. Proper belt tension is a critical step when installing a belt. Mfr Part #: 20043107. Example: If the span length "P" is 16" inches, the deflection would be " inch (1/64" multiplied by 16" equals " inches) Title: Microsoft PowerPoint - BESTORQ Tensioning Info Timing Belts 9-30-2013.ppt [Compatibility Mode] Author: dstork Created Date: 9/30/2013 10:54:56 AM A toothed belt tension warning system, which can give early warning of a belt problem, was added in MY 1985. . Check tension frequently during the rst 24 hours of operation. In addition they supply the available options and the parameters necessary to aid in your drive design. If you can create more than 1/2 of slack, then the timing belt needs to be tightened. Belt tension gauges are used to properly check drive belt tension on drive belts to ensure maximum belt and bearing life. This item is non-returnable. Position belt and set tension to the prescribed Installation Tension. VW 16V tension pulley. Our diff erence: technical support and a local partnership. Example: 6823 Belt has a 1/2" top width and a 23 . Scale reads 30-180 lbs. Shipping Weight: Extensions. Consult the break strength table (contact us to obtain the table) to determine the required reinforcement . Timing Belt Kit The star and the supporting roles. In addition, the application allows users to propose more than 100 alternative solutions within seconds, and email drawings and installation instructions in PDF . [*]Engine mount through bolt: Torque is 40ft-lb on the through bolt. 2. water pump. . V- Belt Tension Ranges for Manual Tensioners Always use a belt tension gauge that indicates static tension, such as the Gates Krikit Tension Gauge, to determine proper tension from the Installation Chart. The BROWNING belt tension checker, shown at left, is ideal for this procedure. The device calculates the corresponding belt tension in either English or . im not sure how to put some more tension into that when the tensioner cant be moved any further to place more tension on the belt. There should be two (2) measurements for this since the majority of timing belt drives has a means in place for tensioning the belts. V-belts operate on friction; the friction is multiplied by the mechanical advantage of the wedging principle. Specification. Tension Gauge - BUI 4003 Economical tensioning tool. The Timing belts use teeth that mesh with grooves in a . to 5 minutes to seat belt. Otherwise, you may get burned. Dayco Idler/Tensioner Pulleys. Measure belt span "t". See tables below for correct deflection force. If there isn't enough tension on the timing belt, it won't spin fast enough for optimal engine performance or fuel economy. There is no slippage or creep as with plain flat belts. If this is the case, the damage is already done. MSRP $113.73. 250,000 Poly V belts manufactured per day. It can be used without the need to register and there is no software to install. The tensioner pulley is as critical as the timing belt itself. The factory-recommended replacement interval for the timing belt is 60,000 miles, but more conservative Pitch charts, or timing belt pitch data sheets give you the information you need to identify your belt. Re-check the tension and readjust if necessary. Contact Us Today If you have questions, comments, need immediate assistance or more information, please don't hesitate to call Bando USA at (630) 773-6600 or fill out our contact form by clicking the Contact Us Today button. 2. Product Dimensions: 9.1 5.4 2.3 in. Premium quality products are the start. At minimum it must be carefully examined and/or replaced 3 years or 90K miles. V/6 Timing Belt Tensioner Installation (PDF) V/6 Tensioner Factory TSBs (PDF) Polyurethane Suspension Bushings (PDF) PC452 Cam Installation (PDF) PC455 Cam Installation (PDF) PS409/409A Spider Chassis Stiffener Install (PDF) LF520 Carello Headlight Covers Install (PDF) Staybelt Ultimate V6 Timing Belt Tensioner Install (PDF) Other Names: Tension Pulley, Pulley Assembly, A\/C Compres. Part Number: MB609127.

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