TPX/TTX44
Contents
1. Owner s Manual F hlins Racing AB The Story It was the 1970 s a young man named Kenth hlin spent most of his spare time pursuing his favourite sport motocross Being a careful observer Kenth s attention was continously 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 almost 40 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 product More than two hundred World Championships and other major world titles are definitive proof that hlins products offer outstanding performance and reliability Every product has gone through rigorous testing and engineers have spent thousands of hours doing their very best to use every possible experience from our almost 40 years within the racing sport The product that you now have in your possession is pure racing breed that is built to withstand By installing this product on your vehicle you have made a clear statement you are a serious rider or driver with a focus on getting the maximal handling ability and outstanding feedback from your vehic2. 00 SE 194 27 Upplands Vasby Fax 46 0 8 590 025 80 Sweden www ohlins com
3. X and TTX44 One way compression To adjust use a 3 mm Allen key Adjustment range 24 clicks Ww Caution Do not turn the 14 mm hexagon Two way compression Low speed compression To adjust use a 3 mm Allen key Adjustment range 40 clicks High speed compression To adjust use a 12 mm wrench Adjust in steps of 3 5 clicks to fine tune the set up Adjustment range 50 clicks Tool 01822 03 TPX one way compression adjuster W Caution Do not turn this hexagon TPX and TTX MkI MkIl two way compression adjuster Low speed compression High speed compression Tool 01822 02 AMBER BUSHINGS Camber bushings Unlike most standard McPherson struts most hlins struts feature camber bushings that enable you to alter the wheel camber Bushing type Identification marking 5194 grooves 5794 id number You will obtain different camber angles depending on how you mount the bushings with the eccentric hole facing the wheel or away from the wheel Note Contact an hlins dealer for recommendations regarding camber bushings Camber bushing 5194 grooves for identification Eccentric hole Camber bushing 5794 identification Eccentric hole S INSPECTION AND MAINTENANCE Maintenance TPX and TTX shock absorbers Service your damper s according to the recommendations in the table A Warning Never alter th
4. e C spanner to unlock the lock nut 1 Use two C spanners to unlock the lock nut 2 Turn the spring platform with the Preload 2 Turn the spring platform to the desired adjuster tool to the desired position position 3 After adjusting make sure to lock the lock 3 After adjusting make sure to lock the lock nut nut SPRING SET UP There are a number of springs available for both gravel and tarmac to suit different driving conditions For rougher gravel conditions we recommend to use one step stiffer springs but also increase ride height 10 20 mm depending on the conditions It usually gives a better result than to use an even stiffer spring and less ride height change COMPRESSION AND Compression and rebound damping Compression damping controls the energy absorption when the shock absorber is compressed thus controls how easy the shock absorber compresses when you hit a bump Rebound damping controls the energy absorption when the shock absorber is extended and controls how fast the shock absorber returns to its normal position after being compressed Compression damping adjuster Low speed compression is mainly used to control chassis movements and response but it also affects the traction It affects how the car behaves during breaking turn in and acceleration Less low speed compression gives more chassis movement but in many cases it can improve traction and grip Therefore it is possible to balance the car by ad
5. e gas pressure Special purpose charging equipment and access to nitrogen is required The gas pressure should normally never be altered Driving condition Service after Smooth gravel max working temp 90 800km Medium gravel max working temp lt 110 700km Rough gravel max working temp gt 110 350km Tarmac 1000km Preventive maintenance and regular inspection reduces the risk of functional disturbance If there is any need for additional service please contact an hlins dealer 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 Caution Never spray water directly into the adjuster knobs and or the ball joints TTX Inspection points Every 300 400km 1 Check ball joints brackets for possible excessive play or stiction Removing the scraper holder TPX only 01835 01 Tool 01897 01 Scraper holder Check the piston shaft for damage that can cause leakage Check the shock absorber body for external damage Check the external reservoir for damage that can restrict the floating piston from moving freely Make sure that the reservoir is protected against stone chip Check the attachment
6. end of the piston rod is the main adjuster and the one in the cylinder head is for fine tuning W Caution Turn gently not to damage delicate sealing surfaces Hand tighten only To adjust rebound damping 1 Use a3 mm Allen key or Adjustment tool 01822 02 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 recommended set up in the Mounting instructions or contact an Ohlins dealer 4 If you want to change setting adjust in steps of 2 3 clicks at a time Focus on the main adjuster but if you are outside the recommended range use the fine adjuster TTX44 Mkl Useful adjustment range Main 5 50 clicks Fine 2 15 clicks TTX44Mkll Rebound 5 50 clicks Main adjusters Rebound Fine adjuster HOW TO ADJUST To adjust Turn the adjuster clockwise to fully closed position position zero 0 Then turn counter clockwise to open and count the clicks until you reach the recommended number of clicks We recommend to adjust rebound in steps of 2 3 clicks at a time Ww Caution Turn gently not to damage delicate sealing surfaces Hand tighten only Rebound damping adjuster TPX44 To adjust use Rebound adjustment tool 01822 03 delivered with the damper or contact an Ohlins dealer Adjustment range is up to 60 clicks depending on the setting Compression damping adjuster TP
7. erated and maintained in accordance with recommendations in this manual If you have any questions regarding usage service inspection and or maintenance please contact Ohlins 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 Ohlins dealer and proper tools 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 W Caution The Caution Symbol means Special precautions must be taken to avoid damage to the shock absorber Note The Note Symbol indicates information that is important regarding procedures Note When working with the Ohlins product always read the vehicle service manual amp Note This manual shall be considered as a part of the product and shall accompany the product throughout its life cycle Ohlins Racing AB All rights reserved Any reprinting or unauthorized use without the written permission of Ohlins Racing AB is prohibited 2 Adjustment and setting UP menn 4 Spring prelad
8. justing the low speed compression High speed compression mainly affects how the car absorbs bumps and jumps In rougher conditions or with a lot of jumps more high speed damping is often necessary to control the big chassis movements For very rough conditions like Middle East rallies even stiffer springs is recommended For specific spring recommendations for your vehicle please see the Mounting Instructions or contact an Ohlins dealer REBOUND 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 adjuster to control chassis movements over crests or after jumps More rebound gives less movement and better stability but too much will cause a loss of traction It is therefore a powerful balance tool together with the low speed compression 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 more traction Recommended set up For recommended set up see the Mounting instructions or contact an Ohlins dealer Driver preferences and driving conditions will affect how the shock absorbers should be set up but the recommended setup is a good starting point For latest updates contact an Ohlins dealer Rebound damping adjuster TTX44 MkI Shock absorber The TTX44 Mkl has two rebound adjusters The adjuster in the shaft end eye or at the
9. le Along comes the fact that your hlins product will be a long lasting friend delivering the very best of comfort and performance every time you go for a ride Go explore SAFETY PRECAUTIONS General Warnings Note The shock absorber front fork steering damper is an important part of the vehicle and will affect the stability Note Read and ensure you understand the information in this manual and other technical documents provided by Ohlins before using the product SAFETY SYMBOLS In this manual mounting instructions and other technical documents important information concerning safety is distinguished by the following symbols A The Safety Alert Symbol means Warning Your safety is involved A Warning Note Ohlins Racing AB can not be held responsible for any damage to the shock absorber front fork steering damper vehicle other property or injury to persons if the instructions for mounting usage and maintenance are not followed exactly A Warning After installing the Ohlins product take a test ride at low speed to ensure your vehicle has maintained stability A Warning If the suspension makes an abnormal noise or the function is irregular or if you notice any leakage from the product stop the vehicle immediately and return the product to an Ohlins dealer A Warning The product warranty shall only apply if the product has been op
10. nes and ground rules on how to make adjustments Note Always start with the settings recommended by Ohlins Note Higher click numbers give less damping force Make adjustments in small steps 2 3 ata time and not outside the usable click range take notes See the Mounting instructions or contact an Ohlins dealer When you think you have made an improvement go back to the adjustment settings you started with and double check to be sure Pay attention to changes in conditions like tires or temperatures etc In general compression damping changes should be used to influence the vehicle stability and response while rebound damping changes should be used to influence comfort and traction When you need more damping force you should mainly try to increase compression damping and use as little rebound damping as possible This usually means that you gain comfort and handling performance E SPRINGIPRELOAD When adjusting the spring preload you move the spring seat which will lower or raise the vehicle ride height The ride height is an important criteria for the vehicle stability and behaviour amp Note For correct tools contact an hlins dealer amp Note For recommended spring preload see Mounting instructions or contact an hlins dealer Spring platform Spring platform Set the spring preload type 1 Set the spring preload type 2 1 Use th
11. nu ea 5 SPrIiNg Set UP sense 6 Compression and rebounder 6 Howito adjust sen essen 7 Camberbushings enene aa Inspection and maintenance Congratulations on choosing the Ohlins TPX TTX44 high performance shock absorber the most unique and powerful shock absorber available today The TPX44 is a McPherson type whereas the TTX44 is a twin tube type shock absorber Both are available with three way adjusters high and low speed compression with rebound adjusters as well as with the new updated Progressive Damping System PDS The TPX TTX44 shock absorber design is the culmination of three decades of Ohlins successful participation in World Championship events This shock absorber draws on all the expertise developed by Ohlins while winning more than a hundred World Championships The TPX TTX44 shock absorbers are designed to handle the demanding damping characteristics needed for all types of roads For best performance the shock absorber must be adjusted to different driving conditions for the smooth and fast gravel roads in Finland or the rougher roads in Greece or in the Middle East The Ohlins TPX TTX44 features a patented 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 rebound damping Temperature stability is maintained by a flow restricti
12. of the shock absorber to the vehicle TPX Inspection points Every 300 400 km 1 Remove the scraper holder from the outer tube with Seal holder tool 01835 01 or C spanner AMF 01897 01 Cover the circlip groove at the top of the cylinder tube with tape and pull the scraper holder off the cylinder tube see figure Remove the cartridge from the front outer tube by removing the bottom screws Clean all parts with a soft detergent Check scraper and bushings for wear and or damages and change if necessary Apply a layer of Ohlins grease on the cylinder tube scraper and bushings The space between the bushings in the outer tube should be filled with a layer of grease up to the bushing surface Low temperature applications Use the Ohlins grease 10231 81 Medium temperature applications Use the Ohlins red grease 00146 xx or the Ohlins grease 10231 81 High temperature applications Use the Ohlins red grease 00146 xx Recommended highest lowest working temperature lt 10 C 0 C 80 C 90 C lt Assemble the strut and tighten all bottom screws 10 Nm use copper paste on the threads Install the scraper holder with tool Seal holder tool 01835 01 or C spanner AMF 01897 01 on the outer tube and hand tighten to 20 Nm 10 Owner s Manual Part No 07440 02_4 Issued 2015 03 27 hlins Racing AB Your hlins retailer hlins Racing AB Box 722 Phone 46 0 8 590 025
13. on design in the bleed valves that creates 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 In addition the Ohlins shim system offers infinite combinations of shim stacks with a wide spectrum of different character using the same piston The whole system is pressurized by nitrogen gas behind a floating piston to ensure separation of the gas and fluid The Ohlins TPX TTX44 shock absorbers are racer friendly shock absorbers easy to set up dial in and rebuild Remember that you can always get support from the Ohlins dealers worldwide ADJUSTMENT AND SETTING UP a Set up the vehicle Installing new shock absorbers may change the ride height and wheel angles on your vehicle Therefore we recommend to do a complete set up check of the vehicle after you have installed the Ohlins shock absorber 1 Check ride height front and rear Note ride height Adjust if necessary 2 If scales are available check corner weight front and rear Note measures Adjust if necessary amp Note Always consult an Ohlins dealer if you have any questions regarding shock absorber strut set up Make adjustments Suspension settings depend on the vehicle weight the driving style and the road conditions If you are not happy with our recommended settings follow these few guideli
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TPX/TTX44