TPX/TTX44 RER XL52
Contents
1. TTX Shock Absorber Compression Damping Adjuster TPX TTX To adjust 1 High speed compression adjuster Use a 12 mm wrench Low speed compression adjuster Use a 3 mm Allen key 2 Turn the adjuster clockwise to fully closed position position zero 0 3 Turn counter clockwise to set the adjuster to recommended number of clicks see Recom mended Set up 4 If you want to change setting High speed compression adjust in steps of 3 5 clicks to fine tune the set up Low speed compression adjust in steps of 2 3 clicks at a time Useful adjustment range low speed 2 40 clicks high speed 0 50 clicks m Caution Do not use force delicate sealing surfaces can be damaged Handtighten only High speed compression adjuster Low speed compression adjuster compression adjuster Recommended Set up Note Always start with the settings recommended by hlins and Renault Sport Technologies At delivery the dampers are set according to the following RER 1 and 2L52 Low speed compression 10 clicks High speed compression 20 clicks Rebound 10 clicks Spring part no 06774 23 80 N mm RER 6L52 Low speed compression 24 clicks High speed compression 27 clicks Main rebound 12 clicks Fine tune rebound 6 clicks Spring part no 06320 19 70 N mm Setting up your vehicle lt Note After installing the damper2. pressed thus controls how easy the shock ab sorber compresses when you hit a bump Rebound damping controls the energy ab sorption when the shock absorber is being ex tended and controls how fast the shock ab sorber returns to its normal position after being compressed Compression Damping Adjuster Low speed compression is mainly used to con trol chassis movements and response but it also affects the traction It affects how the car be haves during breaking turn in and acceleration Less low speed compression gives more chas sis movement but in many cases it can improve traction and grip Therefore it is possible to bal ance the car by adjusting the low speed com pression High speed compression mainly affects how the car absorbs bumps and jumps In rough er conditions or with a lot of jumps more high speed damping is often necessary to control the big chassis movements Rebound Damping Adjuster Rebound adjuster affects chassis movement in a similar way as the low speed compression but has even more influence on traction Use this ad juster to control chassis movements over crests or after jumps More rebound gives less move ment and better stability but too much will cause a loss of traction It is therefore a powerful bal ance tool together with the low speed compres sion adjuster For slippery conditions when grip levels are low a softer set up on both rebound and low speed compression is a way to gain
3. more trac tion Rebound Damping Adjuster TPX44 Shock Absorber To adjust rebound damping 1 Use a long 3 mm allen key or tool 01743 01 delivered with the product 2 Turn the adjuster clockwise to fully closed position position zero 0 3 Turn counter clockwise to set the adjuster to recommended number of clicks see Recom mended Set Up in this manual 4 If you want to change setting adjust in steps of 2 3 clicks at a time Useful adjustment range 5 30 clicks m Caution Do not use force delicate sealing surfaces can be damaged Handtighten only TTX44 Shock Absorber The TTX44 has two rebound adjusters due to its unique design of twin tube layout and temper ature stability valve design The adjuster in the shaft end eye is the main adjuster and the one in the cylinder head is the fine tuning To adjust rebound damping 1 Use a 3 mm allen key or tool 01822 02 deliv ered with the product 2 Turn the adjuster clockwise to fully closed position position zero 0 3 Turn counter clockwise to set the adjuster to recommended number of clicks see Recom mended Set Up in this manual 4 If you want to change setting adjust in steps of 2 3 clicks at a time both main and fine tune Useful adjustment range main 5 30 clicks fine 2 15 clicks m Caution Do not use force delicate sealing surfaces can be damaged Handtighten only TPX Shock Absorber or
4. Shock Absorber for Renault Megane R S N4 TPX TTX44 RER XL52 Owner s Manual It was the 1970 s a young man named Kenth hlin spent most of his spare time pursuing his favourite sport motocross A careful observer Kenth s attention was continually drawn to one specific detail motocross bikes had more engine power than their suspension could handle It was not long before Kenth realised that better performance could be achieved by improved wheel suspension hlins Racing was established in 1976 and just two years later the company won its first World Championship title Despite being in the business for 30 years the search for perfection and new functions is still the main focus of the company Congratulations You are now the owner of an hlins Shock Absorber More than three hundred World Championships and other major world ti Vv w Q D Safety Precautions Design and Functioning Spring Preload Compression and Rebound Adjust Rebound Adjust Compression Adjustment and Setting Up Inspection and Maintenance gt 0 N O 0 s OU N tles are definitive proof that hlins shock ab sorbers offer outstanding performance and reli ability Every product has gone through rigorous testing and engineers have spent thousands of hours doing their very best to use every possi ble experience from our 30 years within the rac ing sport By installing this shock absorber on your vehi cl
5. ar rebound can help turn in and first part of the corner Inspection points TPX TTX Normal use 1 Check ball joints brackets for possible ex cessive play or stiction 2 Check the piston shaft for damage that can cause leakage 3 Check the shock absorber body for external damage 4 Check the external reservoir for damage that can restrict the floating piston from moving freely 5 Make sure that the reservoir is protected against stone chip 6 Check the attachment of the shock absorb er to the vehicle Inspection points TPX44 Every 300 400 km 1 Use C spanner part no 01897 01 Remove the scraper holder from the outer tube Cov er the circlip groove at the top of the cyl inder tube with tape and pull the scraper holder off the cylinder tube see figure Clean the scraper from dirt and grease Check it for wear and or damage and change if necessary part no 05502 06 Apply a layer of hlins red grease part no 00146 0X on the scraper and in the groove in the scraper Mount the scraper holder on the outer tube Tighten with C spanner Tightening torque 20 Nm Use Loctite 278 on the scraper holder 1 Removing the scraper holder TPX only Tool 01897 01 Scraper holder r j 10 To increase the life of the bushings and reduce friction it is possible to remove the strut casing but that is of the responsibility of the customer To clamp the
6. e you have made a clear statement you are a serious driver with a focus on getting the maxi mal handling ability and outstanding feedback from your vehicle Along comes the fact that your shock absorber will be a long lasting friend delivering the very best of comfort and perform ance every time you go for a drive Go explore lt Note The shock absorber is a very important part of the vehicle and will affect the stability Note Read and make sure that you understand the information in this manual before you use this product If you have any questions regarding installation or maintenance please contact an hlins dealer A Warning hlins Racing AB can not be held responsible for any damage to the shock absorber vehicle other property or injury to persons if the instructions for maintenance are not followed exactly A Warning This product was developed and designed exclusively for a specific vehicle model and shall only be installed on the intended vehicle model in its original condition as delivered from the vehicle manufacturer A Warning This product contains pressurized nitrogen gas N Do not open service or modify this product without proper education authorized Ohlins dealer distributor and proper tools A Warning After installing this product take a test drive at low speed to make sure that your vehicle has maintained its stability A Warning If the suspension makes an abnormal no
7. ise or the function is irregular or if you notice any leakage from the product stop the vehicle immediately and return the product to an hlins Service Centre Safety Symbols In this manual mounting instructions and other technical documents important information concerning safety is distin guished by the following symbols A The Safety Alert Symbol means Warning Your safety is involved A Warning The Warning Symbol means Failure to follow warning instructions can result in severe or fatal injury to anyone working with inspecting or using the shock absorber or to bystanders m Caution The Caution Symbol means Special precautions must be taken to avoid damage to the shock absorber lt Note The Note Symbol indicates information that is important regarding procedures lt Note When working on this product always consult your Vehicle Service Manual lt Note This Manual shall be considered a part of the product and shall therefore accompany the product throughout its life cycle O hlins Racing AB All rights reserved Any reprinting or unauthorized use without the written permission of hlins Racing AB is prohibited Printed in Sweden Congratulations on choosing the hlins TPX TX44 Rally shock absorber the most unique and powerful shock absorber available today The TPX44 in the front is a twin piston type shock absorber whereas the TTX44 in the rear is a
8. s do a complete set up check of the car according to Renault Sport set up recommendations Perform the following steps and always take notes before using the shock absorber e Check ride height front and rear Adjust if necessary e Check corner weight front and rear if scales are available Adjust if necessary lt Note Always consult your hlins dealer if you have any questions regarding settings of the shock absorber strut Spring set up A number of springs are available to suit all dif ferent conditions and driving styles See below a list of recommended springs stiff ness and part number Spring list RER 1 and 2L52 70 N mm 06774 19 75 N mm 06774 21 80 N mm 06774 23 std 85 N mm 06774 25 90 N mm 06774 27 RER 6L52 60 N mm 06320 14 66 N mm 06320 17 70 N mm 06320 19 std 75 N mm 06320 21 80 N mm 06320 24 lt Note If you need support to find your own optimal set up please contact an hlins Service Centre or your Renault Sport Technologies Contact Making adjustments Suspension settings depend on your vehicle s weight your driving style road conditions etc If you are not happy with our recommended set tings here are a few guidelines and ground rules how to make adjustments To make improvements it is important to un derstand the function of the shock absorbers and through testing learn how they affect the handling of your vehicle lt Note Higher click number
9. s give less damping force Inspection and Maintenance Preventive maintenance and regular inspection reduces the risk of functional disturbance If there is any need for additional service please contact an authorized hlins Service Centre Cleaning Clean the shock absorber externally with a soft detergent Use compressed air Be careful that all dirt is removed Lift the bump rubber and clean the area below Keep the shock absorber clean and spray it with oil WD40 CRC 5 56 or equivalent after washing Wipe off excessive oil with a cloth m Caution Never spray water directly into the adjuster knobs and or the ball joints When making adjustments e Take notes make the adjustments in small steps 2 3 at a time and stay within the rec ommended adjustment range e When you think you have made an improve ment go back to what you started with and double check to be sure Pay attention to changes in conditions like tires or temperature etc In general com pression damping changes should be used to influence the vehicle s response and balance while rebound damping changes should be used to influence traction and stability e When you need more damping force in the front first try to increase compression damp ing and use as little rebound damping as pos sible This usually means that you improve re sponse and handling performance but keep traction For the rear more compression re duces exit understeer and more re
10. s shim system offers infinite com binations of shim stacks with a wide spectrum of different character using only one piston The whole system is pressurized by nitrogen gas be hind a floating piston to ensure separation of gas and fluid The hlins TPX TTX44 shock absorbers are racer friendly shock absorbers easy to set up dial in and rebuild Support is always available from the hlins distributors worldwide TPX44 front TTX44 rear When adjusting the spring preload you move the spring seat This will lower or raise the vehicle ride height The ride height is important for the behavior of your vehicle lt Note The correct C spanners are delivered with the dampers Set the Spring Preload TPX Shock Absorber 1 Use two C spanners to undo the lock nut 2 Turn the spring platform to the desired posi tion 3 After adjusting lock the lock nut Note T one turn of the spring platform changes front ride height with 2 1mm TTX Shock Absorber 1 Unlock the screw on the spring platform clamp 2 Use a C spanner to adjust the platform to the desired position 3 Tighten the screw on the spring platform clamp O Note 1 one turn of the spring platform changes rear ride height with 2 8mm TPX Shock Absorber Compression and Rebound Damping Compression damping controls the energy ab sorption when the shock absorber is being com
11. strut use Renault Alpine tool ref 77 11 167 262 To remove the bottom nut use tool ref 77 11 167 261 m Caution When removing the bottom make sure not to clamp around the anti roll bar bracket Clean the bushings Put red grease 00146 xx on and between the bushings Take note of the circlip position in the strut casing when assembling the strut the reser voir bracket should pass through the opening in the circlip Tightening torgue 40Nm no Loctite Note For more information contact Renault Sport Technologies or your local hlins service centre Renault Alpine tool reference 77 11 167 261 Service Interval TPX TTX Every 1000km Service your damper s at an hlins Service Centre If the dampers are used under more rough tarmac conditions maintenance could be required more frequently A Warning Never alter the gas pressure Special purpose charging equipment and access to nitrogen is required The gas pressure should normally never be altered Your hlins retailer hlins Racing AB Box 722 SE 194 27 Upplands V sby Sweden Phone 46 0 8 590 025 00 Fax 46 0 8 590 025 80 www ohlins com AFIS S ISO 9001 CERTI hlins Owner s Manual RERXL52 Part No 07440 04_0 Issued 2011 04 06 2011 hlins Racing AB
12. twin tube type The TPX44 is three way adjusted high and low speed compression adjuster and rebound The TTX44 is four way adjusted it has the high and low speed compression adjuster and due to its design it features a main rebound adjuster and a fine tune adjuster Both shock absorbers are equipped with the new updated Progressive Damping System PDS The TPX TTX44 shock absorber design is the culmination of two decades of hlins successful participation in World Championship events The TPX TTX44 shock absorbers are designed to handle the demanding damping characteris tics needed for all types of roads on which the car is aimed to compete on For best perform ance the shock absorber must be adjusted to different conditions for the smooth and fast tarmac roads seen in some rallies to the more bumpy and twist seen in others The hlins TPX TTX44 features patent pend ing concept with a unique design that allows for the gas pressure to always back up the low pressure side of the piston to keep pressure at a controlled level Both concepts enable totally separated adjusters for compression and re bound damping The temperature stability is maintained by us ing a flow restriction design in the bleed valves that create a turbulent flow at very low piston velocities Also materials with different thermal expansion rates are used to compensate for the viscosity change of the fluid caused by changes in temperature The hlin
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