instruction manual a`pex s1 damper
Contents
1. SORIP SIGES ncluded pacer Collar L 38mm d 12 5mm j aes Sa uded n Upper Mount er Mount cas 2 Nc aude uober ush Z TO N S Cou ncluded S1 Spring Included Fig Hl FD3S R What is trim height gt gt Trim height T H is the distance between the center of the wheel and the top of the fender arch when the vehicle is on the ground Be sure to se ttle suspension after lowering j T H lb Zi JT H 0 8 ko x me millimeters SH HARD Nylon Nut Torque Specifications HA e m 34 3N m M12X1 25 Lock Nut Torque Specifica tions M32x2 0 Over 3 5kgf gt m over34 3N m V Y Y 270 lt ro oa Smm OD 42mm wal gt oe 3 jo on ncluded Dust Boot on Helper Sheet ora an ncluded Stop H 3 0mm ncluded ncluded aL m 1 Helper Spring ncluded ear Serial Label ncluded ear Adjusting Case ncluded I 4 450 lt Recommended Ride Height lt lt Target Height gt gt Trin Height t 3402. Lowering AmountjAd justment Range aoe Up Side approx 35 lt A WARN Keep the Adjust Case insertion position over 20mm as shown to the above C diagram olenotes factory set setting of this position may cause maximum stroke and damage own Side approx 20 xFig 3 The recommended height figures listed above have taken the total shock stroke length into account When setting the shocks to a custom height be sure to check clearance levels between the shock and vehicle Make sure that the shock absorber has ample clearance with the wheel ING igure on the tings Imported the shock absorber aed
3. 12 Contact APEX CO Ltd APEX Integration Inc APEX Pac Co Pte Ltd 5 21 3 Fujimi Sagamihara city 1449 West Orange Grove Ave Unit A ee ges annie KANAGAWA 229 0036 JAPAN Orange CA92868 USA Singapore 118498 81 42 768 8148 1 714 685 5700 65 6257 5977 C68AL00E Assembly FRUNT lt A CAUTION The recommended height is for reference purposes only Vehicle condition grade year and options will affect actual ride height Please adjust lower spring seat to attain recommended vehicle height Nylon Nut Mlex125 Included Washer t 3 cemm d lemm Included What is trim height gt gt Trim height T H is the distance between the center of the wheel and the top of the fender arch when the vehicle is on the ground Be sure to settle suspension after lowering b TZH a 5 millimeters Rubber Bush an Included te Spacer Collar L 38mm d 12 5mm Included Upper Mount Included tT T Rubber Bush In N Included O Rubber Seat Included Washer t 3 2mm d 42mm Included Bump Stop H 40mm Included Dust Boot lt i Included Lock Nut Torque Specifica tions M52 2 0 Over 3 5kgf m over34 3N m S1 Spring Included Lower Spring Seat Included Lock Nut Included Brake Hose Bracket Included Lock Nut Included Front Serial Label Included Front Adjust
4. Failure to comply may result in potential death or severe injury to the user and or third parties ACAUTION Failure to comply may lead to personal injury damage to the product and other property PLEASE Failure to comply may affect product performance and may lead to product damage 4 Check First A PEX S1 DAMPERS are engineered according to specific vehicle applications Please confirm that this product matches with the vehicle application you have chosen This product is composed of components listed in the contents table Please notify the dealer of purchase for any missing or damaged components Notify your dealer of purchase for any damaged or missing components before installation Installation of the shock absorbers should be performed at an experienced shop with an adequately equipped facility APEX CO LTD and its affiliate companies are NOT responsible for injury or damages incurred from the improper installation of this product 5 Table3 Contents Table Part Code Product Name Comments FRONT Right and Left are identical SHOCK ABSORBER REAR Right and Left are identical SHOCK ABSORBERS SPRING FRONT 200mm 12kgf mm 8inch 670Ib in SPRING REAR 200mm 12kgf mm 8inch 670lb in HELPER SPRING REAR HELPER SEAT REAR RUBBER UPPER MOUNT FRONT RUBBER UPPER MOUNT REAR INSTRUCTION MANUAL 6 Manual Information No Print Date Product Number Version 1
5. result in poor performance and damage to the shocks Never excessively lower the vehicle This could lead to suspension failure damage to the fender wheels and tires and product failure If the vehicle is lowered excessively stop the vehicle and raise the ride height as soon as possible at a qualified repair shop Be sure to test drive the vehicle after installation to double check installation Retighten bolts and other components after the test drive after the first 100 km 60 miles of driving and periodically as part of regular maintenance procedure Be sure to adjust ride height to conform to any local and federal laws A PEX is not responsible for any citation resulting from illegal adjustment of ride height Consult your local law enforcement agency to confirm legal ride height and headlight bumper height A CAUTION Debris from driving on dirt and snow can lead to oil leaks from the shocks Be sure to check for excess debris on shaft of the shock absorber to prevent this from happening PLEASE Strut type shock absorbers have a small amount of clearance between the cylinder case and the outer case to minimize friction Such models may emit a slight noise or minor vibration This is normal In case of unusually excessive noise check for proper installation of the shocks and check for any problems with the vehicle first In the unlikely event of a product fail
6. Assembly Diagrams Improper installation may lead to serious damage and accidents Bolt size Recommended torque Comments M10x1 25 17 6 23 5N m 1 8 2 4kgf m Standard Type M12x1 25 27 4 34 3N m 2 8 3 5kgf m Standard Type M12x1 25 36 3 50 0N m 3 7 5 1kgf m Lower Spring Seat Torque Specifications Components Tightening Torque Comments Lower Spring Seat Lock Nut Over 34 3N m 3 5kgf m All Vehicles A WARNING Be sure to use the included nylon nut and always tighten to recommended torque specifications Never use an impact wrench to install this product Failure to heed this advice may result in damage Always perform an alignment on the vehicle after installation Failure to do so can lead to abnormal or premature tire wear poor handling performance as well as serious accidents A CAUTION After installation be sure to check if all nuts and bolts have been tightened to manufacturer specifications Also check for ample clearance between the tire fender and other related suspension components Never hold the piston rod or cylinder case using tools This could scratch and damage components and lead to oil leaks from the piston rod and cylinder case Hand tighten the lower spring seat against the spring so that there is no play between the spring and seat Use the assembly diagram to adjust the lower seat to the recommended ride height The recommended height is for reference purposes only Vehicle c
7. MAR 01 2009 4298 90E0 Z2 Ver 1 7 PEX S1 DAMPER Usage O DANGER e Contents under extremely high gas pressure Avoid storing this unit near high temperatures Failure to comply may result in explosion and personal injury Use care when handling the springs Handling the springs using tools hitting the spring with a hammer grinding the spring with a file and cutting the spring will compromise the integrity reliability and performance of the spring A WARNING This product has been engineered exclusively for the vehicle listed above DO NOT install or use this product with any other type of vehicle Failure to heed this warning may result in injury and death Installation of this product should be performed using the VEHICLE SERVICE MANUAL procedures for the applicable vehicle Be sure to follow A 7PEX recommended installation procedures when they differ from the factory procedure Installation should ONLY be performed by an experienced installer Failure to do so may result in improper installation and may lead to accidents Installation should be performed at a certified and established repair center PLEASE USE THE FACTORY UPPER MOUNTS for the S1 DAMPERS unless upper mounts for specific use are included as part of the system A PEX CO LTD and its affiliate companies are NOT responsible for injuries or damages incurred through the use of other manufacturer s products Always use the included bump stops Failure to do so may
8. Y DAMPER INSTRUCTION MANUAL A PEX S1 DAMPER Height Adjustable Coilover Damper Kit PRODUCT CODE 268AZ002 Table 1 Vehicle Application Application Vehicle Vehicle Model Engine Model Year MAZDA RX7 FD3S 13B REW 1991 2000 1 Preface Thank you for purchasing the A7PEX S1 DAMPER system These shocks have been designed to replace the factory shock absorbers Please read the instruction manual carefully and refer to the contents of this manual for proper installation and use DUE TO THE TECHNICAL NATURE OF THE PRODUCT AND RISK OF INJURY OR DEATH AS A RESULT OF IMPROPER INSTALLATION WORK SHOULD ONLY BE PERFORMED BY AN EXPERIENCED INSTALLER Consult with the dealer of purchase for a qualified installation facility near you Please contact the dealer of purchase with a valid receipt if the product has been damaged during shipping or has a manufacturer defect Never disassemble or discharge the shock absorber assemblies All warranties expressed or implied will be voided if evidence of tampering exists This product must be returned complete with all relevant packaging included for warranty to be honored Installation Precaution Please read the contents of this manual thoroughly before attempting installation This shock absorber system has been designed to be used with the factory upper mounts Do not use upper mounts from other manufacturers with this product This manual is intended for experienced installers with
9. adequate knowledge of vehicle repair service and installation Installation should be performed at a qualified service center or dealer with proper equipment Be sure to keep this manual stored in a safe place for future reference In the case of transferring vehicle or product ownership give this manual to the new owner Product Number 4298 90E0 Z2 2 Table of Contents Product Name Product Code Vehicle Application Preface Table of Contents Table 2 Signal Words and Their Meanings Check First Table 3 Contents Table Table 4 Manual Information NPEX S1 DAMPER Usage Installation Process Ride Height Adjustment 10 Damping Adjustment 11 Vehicle Maintenance 11 Contact 12 Assembly Diagram Front 13 Assembly Diagram Rear 3 Signal Words and Their Meaning We have included various cautions and recommendations to prevent harm to you or others These safety recommendations have been separated into categories with SIGNAL WORDS to denote the importance of each point Please be sure to read all of these cautionary points to ensure safe installation of this product Do not attempt installation of this product without clear understanding of the risks involved OONDARWDNDY NOOTATATBRWWWNHDNDN PD Table2 Signal Word Signal Word Meaning ADANGER Failure to comply will likely result in potential death or severe injury to the user and or third parties AWARNING
10. ing Case Included lt Shock Absorber Assembly Please do the installation of brake bracket yy Front a The diagram shows a top view of the shocks while Front Left Front Right installed on the vehicle to the diagram to the left Recommended Ride Height lt lt Target Height gt gt Trin Height_ Lowering AmountjAd jus tment Range 340 Up Side approx 40 Down Side approx 49 The recommended height figures listed above have taken the total shock stroke length into account When setting the shocks to a custom height be sure to check clearance levels between hhe shock and vehicle Make sure that the shock absorber has ample clearance with the wheel A WARNING gt Keep the Adjust Case insertion position over 2mm as shown to the above Figure on the diagram denotes factory settings Imported setting of this position may cause maximum stroke and damage the shock absorber P68AZ002 Assembly REAR A CAUTI The recommended height is for reference purposes only Vehicle condition grade year and options will affect actual ride height Please adjust lower spring seat to attain recommended vehicle height ylon NutM12x1 25 ne oe ash Eh Smm d l2mm ncluded ubber Bush es
11. ondition grade year and options will affect actual height Please adjust the lower spring perch to obtain recommended trim height When removing the spring form the shock absorber lower the spring seat to relieve pre loaded tension or use a spring compressor Be sure not to scratch the threaded outer case when using a spring compressor Always test drive the vehicle and check for any loose components or clearance problems Ride Height Adjustment CAUTION Always use a lift or jacks in conjunction with jack stands when adjusting ride height Raising the vehicle without the proper equipment may cause the unstable vehicle to fall leading to serious injury and or death Be sure to adjust the left and right side height of the vehicle evenly and perform an alignment on the vehicle When adjusting the ride height it is best to use an alignment tester and corner weight gauge Improper alignment and unbalanced ride height can lead to abnormal or premature tire wear poor handling performance as well as serious accidents Be sure to tighten the lock nut according to the torque specifications shown in section 8 of this manual A loose lock nut is extremely dangerous Please be sure to tighten the nut using the included wrench and check the lock nuts regularly during scheduled maintenance Lowering the vehicle too much will result in inadequate stroke for the shock This can lead to unstable handling and could result in an accident Adjust the
12. position position 20 From the factory the S1 Dampers are shipped with the damping settings at position 10 11 Vehicle Maintenance PLEASE Installation of this APEX S1 DAMPER will most likely cause the vehicle alignment to change Be sure to complete an alignment procedure on your vehicle after installation Driving with improper alignment will cause abnormal or premature tire wear and poor handling performance The APEX S1 DAMPER allows for a wide range of vehicle ride heights However excessive vehicle lowering may cause dangerous handling characteristics and is not recommended Please adhere to the recommended vehicle ride heights as close as possible Excessive ride height changes can put excessive strain on the axles of a vehicle Be sure to check for adequate grease and lubrication on the axles Excessive lowering may cause problems in tire and fender clearance as well as clearance with other suspension components Spring type will differ according to vehicle application We recommend the springs included in the CONTENTS TABLE Use of different springs must take vehicle type acceptable stroke and vehicle weight into account Please contact your local dealer for more assistance Shock absorbers will wear according to usage Life expectancy will range according to driving style Please contact your dealer of purchase to obtain information on recharging the shocks Always rebuild and or replace all 4 shocks at once
13. ure discontinue use immediately Write down the product code vehicle type serial and lot numbers and contact your dealer of purchase The following sounds are normal o Shock Absorber Damping Sound A whooshing sound coming from within the shock as shock absorber piston is moved up and down Low Speed Click Sound When going over bumps and transitions at low speeds there may be a small click or clunk sound from the damper assembly Inverted Strut Type Case Sound A slight rattling sound coming from the cylinder case of inverted strut assemblies Installation Process 0 DANGER Never tighten the upper mount with an impact wrench Tighten the upper mounts according to the recommended torque specification listed below Failure to do so may result in damage to the upper mount and bolt and may cause product failure Always refer to the vehicle service manual when installing this product Always use the appropriate tools and tighten to recommended torque specifications Be sure to follow A PEX recommended installation procedures when they differ from the factory procedure Always tighten the Lower Spring Seat and Lock Nuts to the recommended torque specifications after confirming that there is no spring play with the lower spring seat Failure to do so may cause the Lock Nut to loosen and lead to accidents Some shock absorbers differ in construction for the left and right sides Be sure to confirm proper sides by using the
14. vehicle ride height to a well balanced height There are two ways to adjust ride height The recommended method is by adjusting the Front Rear Adjust Case This will allow ride height to be changed without affecting the spring preload The other option is to raise or lower the Lower Spring Seat However drastic changes in ride height should not be done in this manner as excessive preloading will result in improper damping and unnecessary strain on the components Excessively lowering the Lower Spring Seat much will create play in the spring which results in a dangerous situation and will cause damage to the components 10 Damping Adjustment A CAUTION e This suspension system is 20 way damping adjustable Do not use excessive force or force the adjustment knob beyond the setting range Failure to heed this warning will cause damage to the internal valve assembly thereby causing the damping unit to fail Damping adjustment is performed by turning the knob on the top of the shock absorber assembly On inverted strut type shock absorber systems the adjustment knob is located on the bottom of the assembly If you are not sure where the adjustment knob is located on your system please refer to the diagrams at the end of this manual All S1 Dampers are 20 way adjustable where the hardest stiffest setting is the full clockwise position referred to as position 1 and the softest setting is the full counter clockwise
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