TTX46CS/TTX36
Contents
1. rod design causes no flow to the reservoir Rebound Compression Damping TTX36 When movement of the vehicle causes compression of the shock absorber the fluid above the main piston is pressurized more than the set gas pressure and goes through the e compression adjuster bleed valve e compression adjuster shim valve e channel connected to the reservoir e rebound adjuster check valve to the underside of the main piston During compression stroke the piston shaft is entering the main body and the correspondingly displaced volume of damper fluid has to flow into the reservoir the separating piston moves accordingly z mm Compression Rebound Damping TTX36 When the spring forces the shock absorber to extend again the fluid below the piston is pressurized more than the set gas pressure and has to move In a similar pattern the flow goes through the e rebound adjuster bleed valve e rebound adjuster shim valve e channel connected to the reservoir e compression adjuster check valve to the upper side of the main piston The fluid that was displaced into the reservoir during compression stroke is now pushed back into the main body by the pressure of the gas the separating piston moves accordingly Rebound When adjusting the spring preload you move the spring seat This will decrease or increase the initial spring force which will lower or raise the vehicle Th2. Automotive Shock Absorbers TTX46CS TTX36 Owner s Manual It was the 1970 s a young man named Kenth Ohlin 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 Ohlins Shock Absorber More than two hundred World Championships and other major world titles are definitive proof that Ohlins shock absorbers 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 30 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 shock absorber on your vehicle you have made a clear statement you are a serious driver with a focus on getting the maximum handling ability and outstanding feedback from your
3. Caution Never spray water directly into the adjuster knobs and or the ball joints Inspection 1 Check ball joints for possible excessive play or stiction 2 Check the piston shaft for leakage and damage 3 Check the shock absorber body for external damage 4 Check the reservoir for external damage that can restrict the floating piston from moving freely 5 Check for excessive wear of rubber components 6 Check the attachment points of the shock absorber to the vehicle Cleaning TTX36 TTX46CS Recommended Service Intervals Racing Every 10 hours of operation Maximum 20 hours of operation without service and oil change Regular street use Every 30 000 km Disposal Discarded Ohlins products should be handed over to an authorized Ohlins workshop or distributor for proper disposal Note The hlins shock absorber should only be filled with hlins Shock Absorber Fluid Contact an hlins dealer for advice A Warning Never change the gas pressure Special purpose charging equipment and access to nitrogen is required 14 No 07446 01_0 Issued 2009 06 30 2009 Ohlins Racing AB Your Ohlins retailer QUFIE SGD hlins Racing AB Box 722 Phone 46 0 8 590 025 00 SE 194 27 Upplands V sby Fax 46 0 8 590 025 80 Sweden www ohlins com ADVANCED SUSPENSION TECHNOLOGY www olhilins com
4. Set up Inspection and Maintenance Congratulations on choosing the hlins TTX shock absorber the most unique and powerful racing shock absorber available today The TTX shock absorber design is the culmination of two decades of Ohlins successful participation in World Championship events This shock absorber draws on all the expertise developed by Ohlins while winning more than one hundred World Championship titles The Ohlins TTX features a patented concept with a unique concentric twin tube design together with a solid main piston that allows for the gas pressure to always back up the low pressure side of the main piston This design creates positive pressure buildup on both _ compression and rebound stroke As a result e TTX has a more direct damping response less risk for cavitation and works with lower gas pressure Compared to a regular piggy back single tube shock absorber that has positive pressure buildup only on rebound stroke and relies on compression valve resistance together with gas pressure to avoid cavitation on compression stroke the TTX design is superior Also the twin tube design with separate channels connecting the compression valve to the compression side of the main piston and the rebound valve to the rebound side of the main piston gives the possibility to have completely separated adjusters for compression and rebound damping The whole system is pressurized by nitrogen g
5. as behind a floating piston to ensure separation of the gas and fluid The Ohlins shim system offers infinite combinations of shim stacks with a wide spectrum of different character The Ohlins TD sk absorber is a user OC set up dial in and ble y the hlins When the shock absorber moves the fluid inside is forced to flow either through the compression valve or rebound valve first depending on direction of movement followed by going through either the rebound check valve or compression check valve and on to the other side of the main piston On the TTX36 the fluid displaced by the piston shaft is directed either into or out of the reservoir The reservoir is connected to the system so regardless of direction of movement it will be in contact with the low pressure side of the main piston The TTX46CS is a through rod shock absorber meaning that no fluid is displaced into or out of the reservoir when the shaft moves The compression valve and the rebound valve are both of the same design The valve has three flow paths for the fluid 1 Bleed valve a small orifice that creates a flow restriction by it s small flow area 2 Shim valve fluid pressure has to deflect thin seg washers shims to open up an orifice ind allow aid to flow through it giing preloaded shim that urn flow of fluid to the The bleed valve and shim valve are used to build up damping force At slow stroke speeds the percentage going throug
6. e spring preload is fundamental for the function of the suspension If the preload is incorrectly set any other adjustments will not help to get the intended performance from the suspension The spring preload affects the height of the vehicle and the wheel angles By changing the preload the stability of the vehicle can be changed A Free spring length B Installed spring length Shock absorber fully extended A B Spring Preload Spring Preload is the difference between the measures A and B How to Set the Spring Preload TTX36 Use a C spanner Unlock the lock nut 1 Turn the adjustment ring 2 clockwise to increase the spring preload Turn counter clockwise to decrease it Lock the setting with the lock nut 1 TIX36 TTX46CS Use a C spanner Unlock the lock nut 1 Turn the adjustment ring 2 counter clockwise to increase the spring preload Turn clockwise to decrease it Lock the setting with the lock nut 1 One advantage with the through rod design is that there is no gas force pushing the shaft out This enables changing the spring without taking the shock absorber off of the car in turn saving time Note To make the following procedure easier we recommend you to perform the following steps on both sides at the same time 1 Raise the vehicle and put it on jack stands 2 Remove the wheel 3 Remove the top nut A and the top bearing spac
7. ease Reset the Adjuster 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 See recommended Set up data in the Mounting Instructions for the shock absorber Mm Caution Do not use force delicate sealing surfaces can be damaged 10 Installing new shock absorbers may alter ride height wheel angles etc on your vehicle Therefore it is wise to do a Complete set up check of the vehicle after you have installed the Ohlins shock absorber Perform the following steps and always take notes before using the shock absorber e Check ride height front and rear Adjust if necessary If scales are available check corner weights front and rear Adjust if necessary Note Always consult your Ohlins dealer if you have any questions regarding settings of the shock absorber By using the adjustments available on this product and testing by trial and error you can learn how the adjustments affect your vehicle Always begin by taking your vehicle for a test drive with all adjustments at their basic settings If possible choose a short run of varying character with long and sharp bends hard and soft bumps Stay to the same run and adjust only one setting at a time A Warning Before driving always ensure that the basic settings made by Ohlins have not been changed duri
8. ed to make sure that your vehicle has maintained its stability If the suspension makes an abnormal noise or the function is irregular or if you notice any leakage from the product please stop the vehicle immediately and return the product to an Ohlins Service Centre 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 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 im 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 on this product also read the Vehicle Service Manual This Manual should be considered a part of the product and should therefore 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 Printed in Sweden Introduction Safety Precautions Contents Design and Functioning Spring Preload Changing the Spring TTX46CS Compression and Rebound Adjustment and
9. er B 4 Open the adjusters fully 5 Push the shaft down fully 6 Remove the lower bearing spacer C the spring seat D and the main spring E 7 Change the spring 8 Pull the shaft up 9 Reassemble the spring seat D and the lower bearing spacer C 10 Guide the top pin F through the top mount bearing 11 Reassemble the top bearing spacer B and the top nut A Compression damping controls the energy absorption when the shock absorber is being compressed thus controls how easily the shock absorber compresses when the wheel is being loaded or hits a bump Rebound damping controls the energy absorption when the shock absorber is being extended and controls how fast the shock absorber returns to its normal position after being compressed Adjust compression and rebound damping by turning the knobs on top of the reservoir The adjusters have a normal right hand thread Compression Damping Adjuster Turn the gold knob labelled COMP on the cylinder head valve housing 1 Or use a 14 mm socket T bar and turn the hexagon nut on the adjuster knob 2 Turn clockwise to increase damping turn counter clockwise to decrease Rebound Damping Adjuster Turn the black knob labelled REB on the cylinder head valve housing 1 Or use a 14 mm socket T bar and turn the hexagon nut on the adjuster knob 2 Turn clockwise to increase damping turn counter clockwise to decr
10. h the bleed valve is higher and at fast strokes the shim valve takes care of most of the flow The check valve together with the bleed valve since it can flow in both directions handle return flow To control damping force the bleed valve orifice can be changed in size by the external adjuster compression and rebound By altering the stiffness of the shim stack number thickness diameter and shape of the shims on the shim valve the characteristics of the damping action can be changed This should only be done by an authorized hlins Service Centre Compression Damping TTX46CS When movement of the vehicle causes compression of the shock absorber the fluid above the main piston is pressurized more than the set gas pressure and goes through the e compression adjuster bleed valve e compression adjuster shim valve e channel connected to the reservoir e rebound adjuster check valve to the underside of the main piston The through rod design causes no flow to the reservoir Compression Rebound Damping TTX46CS When the spring forces the shock absorber to extend again the fluid below the piston is pressurized more than the set gas pressure and has to move In a similar pattern the flow goes through the e rebound adjuster bleed valve e rebound adjuster shim valve e channel connected to the reservoir e compression adjuster check valve to the upper side of the main piston The through
11. ng delivery When adjusting always make notes adjust in small steps and make only one adjustment at a time Do not adjust more than four 4 clicks at a time Making adjustments Suspension settings are dependent on your vehicle s weight your driving style road or track conditions etc If you are not happy with our recommended settings here are a few guidelines and ground rules how to make adjustments To make improvements it is important to understand the function of the shock absorbers and through testing learn how they affect the handling of your vehicle Adjust rebound damping first If the vehicle feels unstable has excessive chassis movements or seems to be bouncing on the springs increase rebound damping First turn the adjuster knob four 4 clicks clockwise Take a test drive if the vehicle feels harsh and has low grip adjust two 2 clicks back If the vehicle feels harsh and has low grip especially over a series of bumps decrease rebound damping Turn the adjuster knob four 4 clicks counter clockwise Take a test drive if the vehicle feels unstable has excessive chassis movements or seems to be bouncing on the springs adjust two clicks back 11 Adjust compression damping If the vehicle feels too soft and it bottoms easily or the ride height decreases while driving increase compression damping Turn the adjuster four 4 clicks clockwise Take a test drive if the vehicle feels harsh and has t
12. oo little compliance over bumps adjust two 2 clicks back If the vehicle feels harsh and has too little compliance over bumps decrease the compression damping Turn the adjuster four 4 clicks counter clockwise Take a test drive if the vehicle feels too soft and it bottoms easily or the ride height decreases while driving adjust two 2 clicks back e When you think you have made an improvement go back to what you started with and double check to be sure Pay attention to changes in conditions like tyres or temperatures etc In general compression damping changes should be used to influence the vehicle s stability and response while rebound damping changes should be used to influence comfort grip and traction e 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 12 Preventive maintenance and regular inspection reduces the risk of functional disturbance If there is any need for additional service please contact an authorized Ohlins workshop 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 TTX36 Keep the shock absorber clean and spray it with oil WD40 CRC 5 56 or equivalent after washing Wipe off excess oil with a cloth Mm
13. vehicle Along comes the fact that your shock absorber will be a long lasting friend delivering the very best of comfort and performance every time you go for a drive Go explore Note The shock absorber is a very important part of the vehicle and will affect the stability Read and make sure that you understand the information in this manual and the mounting instructions before you use this product If you have any questions regarding installation or maintenance please contact your nearest Ohlins dealer Ohlins 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 installing and maintenance are not followed exactly A Warning This product was developed and designed exclusively for a specific vehicle model and should only be installed on the intended vehicle model in its original condition as delivered from the vehicle manufacturer A The specifications for the particular shock absorber are results from tests run on a factory equipped vehicle If wheel dimensions springs and or other chassis parts have been changed or modified the clearances and vehicle stability can be affected A This product contains pressurized nitrogen gas Nz Do not open service or modify this product without proper education authorized Ohlins dealer distributor and proper tools A After installing this product take a test drive at low spe
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TTX46CS/TTX36