262 MK1 - Shopify
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1. N EDA RO 2f T CK262 MK1 TABLE OF CONTENTS LIST OF FIGURES AND TABLES AE 2 INTRODUCTION amp ACKNOWLEDGEMENTS eene 4 TERMS AND CONDITIONS OF SALE nennen 5 SPECIFICATIONS Leite tene ne EE ree E eh E ta dan e iR nie 7 GENERAL SCHEMATICS raro eter EE b PUT Hes 8 DESIGN INFORMATION AAA 9 Maximum Rated Logg 9 Axial Loading amp Off Axis Loading sss sese 10 Tie Rod Angle using Vertical and Longitudinal Offsets 10 Axial Loading using Tie Rod Angle and Forces sees 11 Off Axis Loading using Tie Rod angle and forces 11 Rack Speed and Travel sss 11 Rack Travel per Degree of Steering Wheel Input 12 Bump Stops A Geet 12 Clevis Connection to Tie Rods AAA 13 ASSEMBLY DIAGRAM xde dade aaa andad RT de Sadar 15 INSTALLATION amp OPERATION seen 17 Mounting Blocks esses eene eene nennen enne niin nnns 17 EOL WTA etit Ee Ote da EE de 17 Lubrication za E ias 18 Input Shaft Integration 18 Additional Notes oerte sde tren 19 ACCESSORY DRAWINGS AAA 21 LIST OF FIGURES AND TABLES Table T Specifications ld E eno do il dl 12 7 Table 2 Bump Stop Characteristics ooooooncccnoconocnconcnonnncnonnnonnnnnrncan ccoo oncnn nono rn ran n non nnne 12 Table 3 Cl 15 Figure 1 Overall Dimensions rp Rilke e 8 Figure E UE EE 9 Figure 3 Recommended T2. 0005 in Table 1 Specifications 1 Note Mass moments of inertia indicated assuming pinion axis is horizontal with rack parallel to vehicle pitch axis and ground plane GENERAL SCHEMATICS This section outlines the main design geometry which is required for design integration purposes 98 20 MOUNTING SPAN king 262 EYETO EYE 279 85 mdt 217 27 r 47 90 i 12 70 24 50 Figure 1 Overall Dimensions DESIGN INFORMATION This section is intended to provide information pertaining to the preferred installation and design integration procedures It is very important that these recommendations are heeded in order to ensure the safe and reliable operation of the product All mounting block bolts are M6x1 Class 12 9 DIN 912 Figure 2 Installation Maximum Rated Load The maximum rated load is the full axial force in tension or compression which the rack is designed to withstand in service Under normal driving conditions this load is not typically experienced except in cases of collision involving the front wheels The maximum rated load has been designated as the maximum load that any person could be expected to hold keeping the steering wheel still In reality the typical driver posture and position make it nearly impossible to exert the maximum load on the steering system Furthermore it is of critical importance for the sake of safety that drivers be instructed and trained to release their
3. FOLLOWING TERMS AND CONDITIONS OF SALE SHOULD YOU NOT AGREE WITH ANY PORTION OF THIS AGREEMENT RETURN THE PRODUCT UNUSED IN ITS ORIGINAL PACKAGING ACCORDING TO INSTRUCTIONS IN SECTION 7 1 Orders All orders are subject to final acceptance by ZEDARO at its principal place of business in Ontario Canada ZEDARO reserves the right to cancel any uncompleted order or to suspend delivery in the event Buyer 1 becomes insolvent files for or is the subject of any bankruptcy action or has a receiver appointed for it or 2 breaches any term of this agreement 2 Delivery and Title Unless otherwise noted all goods shall be delivered F O B ZEDARO s Ontario offices and risk of loss or damage shall pass to Buyer upon ZEDARO s delivery of goods to shipper or carrier for delivery Buyer is responsible for all shipping handling and insurance charges Unless Buyer specifically requests a method of shipment ZEDARO shall exercise its reasonable discretion in selecting a carrier If Buyer requests delivery via an insured and express courier such as Federal Express Airborne or DHL where possible Buyer can provide ZEDARO with its account number with such courier to facilitate shipment Times quoted for shipment will be from the date of order confirmation to Buyer Unless the parties specifically agree to the contrary time will not be deemed of the essence in the transaction 3 Taxes All applicable taxes levies or duties of whatever nature will be pai
4. INABILITY TO USE THE PRODUCT WHETHER OR NOT SUCH DAMAGES ARE FORESEEABLE AND WHETHER OR NOT CUSTOMER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES INCLUDING BUT NOT LIMITED TO LOST PROFITS OR REVENUE ATTORNEYS FEES DAMAGE TO BUSINESS LOSS OF USE OF EQUIPMENT DOWN TIME COSTS OR DAMAGES FOR DELAY OR FOR DAMAGES FOR ECONOMIC LOSSES OR PROPERTY DAMAGE ARISING FROM ANY ACTS OR OMISSIONS WHETHER IN NEGLIGENCE STRICT LIABILITY OR OTHER PRODUCT LIABILITY THEORIES THE LIMITATIONS OF LIABILITY AND WARRANTY DISCLAIMERS STATED IN THIS AGREEMENT FORM AN ESSENTIAL BASIS OF THE BARGAIN BETWEEN THE PARTIES AND APPLY REGARDLESS OF WHETHER ANY LIMITED REMEDY HEREUNDER FAILS OF ITS ESSENTIAL PURPOSE 7 Product Repair and Return Procedures No Product shall be returned without prior authorization from ZEDARO Inoperative or malfunctioning Product must be returned by Customer in protective material securely packaged to prevent damage in transit with the original proof of purchase and shipped prepaid to ZEDARO 120 Otonabee Drive Kitchener ON N2C 1L6 Canada Phone 519 725 2554 ZEDARO will return repaired replaced Product via surface freight to Customer s location The cost of expedited freight if requested shall be at Customer s expense Product found to be operable after testing i e no trouble found may be subject to ZEDARO s then current handling charge Repairable out of warranty Product will be repaired at ZEDARO s then current repair c
5. Lubrication The assembly is factory lubricated with Mobil 1 rack lube Mobilith SHC 1500 and does not require any routine maintenance Disassembly should be avoided if possible in order to ensure proper operation and maximum service life Input Shaft Integration The input shaft MD0326 may be attached to the steering shaft by various methods 1 2 3 4 5 6 Pinning Keying Splining Clamping Bonding Welding To weld the input shaft 1 2 3 4 It is recommended to use a filler rod which is most compatible with the steering shaft material Install the rack assembly into the chassis Assemble the steering column and steering shaft and slide the steering shaft over the input shaft to test fitment and alignment Once satisfied with the fit secure the input shaft to the steering shaft by clamping or taping it in place Make several witness marks between the input 18 shaft and steering shaft as visual alignment aids 5 Remove the steering shaft and input shaft from the vehicle Double and triple check your witness mark alignment before tacking 6 Tack weld in four quadrants giving priority to opposing tacks 7 Final welding should be done in a single continuous loop with the part being rotated by machine or assistant minimizing heat input Itis also possible to use plug welds as tacks or even as the final weld The weld bead length can be increased by contouring the end of the steeri
6. grip from the steering wheel in cases of imminent collision in order to reduce the risk of serious injury For the purposes of load matching the maximum rated load 6670 N can be used to design related steering components Alternately a more aggressive load rating can be used which better matches actual driving conditions excluding impact events In this case it is recommended to use a load of 1780 N Please note that components which are not rated to withstand impact events must also be designed in such a way as to not endanger the safety of the driver in any mode of failure Maximum Rated Axial Load 6670 N 1 500 Ibf Recommended Design Axial Load 1780 N 400 Ibf Axial Loading Off Axis Loading Differentiation exists between the recommended axial load and off axis load Please consider and understand the following definitions Axial Loading A force which acts parallel to and along the cylindrical axis of the rack Off Axis Loading OAL Any components of the loads applied to the rack not parallel to the rack axis In order to determine the OAL the tie rod load is separated into two components based on the angle between the tie rod and rack axis Note that the methods below assume that the rack axis is perpendicular to the vehicle longitudinal centerline and parallel to the ground plane The loading on the rack must also be considered as the net sum of the two tie rod loads Consider that the maximum pinion tooth loading occurs w
7. 0112 ZD0117 ZD0120 ZD0123 6802 2RS 24x15x5 M4x0 7 10mm DIN 7985 ISR 0 19x0 47x0 04 DIN 137A ZD0108 M6x1 16mm DIN 912 A2 See Figure 6 DIN 7985 ISR 15 M3x0 5 6mm M3x0 5 12mm M3x0 5 16mm ALL M3 and M4 screws are DIN 7985 ISR ALL M6 screws are DIN 912 A2 Figure 6 Housing Retaining Screws 16 INSTALLATION amp OPERATION The design was created around a very specific set of specifications and tolerances and supporting hardware and vehicle integration must abide by ALL specifications listed below to ensure proper operation Mounting Blocks Mounting Clamps can be purchased directly from Zedaro A drawing has also been provided in case customers choose to manufacture their own Please see Figure 10 amp 11 in section ACCESSORY DRAWINGS for dimensional data All circled dimensions in the drawings are necessary to adhere to for proper fit and function Hardware All housing retaining bolts must be installed with low strength LOCTITE 222MS Threadlocker Clevis Retaining bolt must be installed with medium strength LOCTITE 242 Threadlocker All hardware must also be torqued to the specified torque settings listed below All M3 Screws 0 85 Nm 7 5 Ibf in M4 Retaining Screw 0 9Nm 8 0 Ibf in M6 Clevis Screw 6 7 Nm 60 Ibf in M6 Clevis retaining screw must be safety wired to prevent loosening of the screw as shown in the following diagram 17 SAFETY WIRE Figure 7 Safety Wire
8. ED CUSED wer UPPER MOUNTING BLOCK MATERIAL Aluminum SAE 6061 16 or equivalent ie maan ens Figure 9 Upper Mounting Block PROPRATART ALL BEORMATIDA CONCEPTS AND PROCESUNES PRESENTE IN TAIS DOCUMENT ARE THE MER w 5000mm iO b mmer og E p LOWER MOUNTING BLOCK IN w Ze ab vom Aluminum SAE 6061 16 or equivalent www ZEDARO com mare 70012201 uc Figure 10 Lower Mounting Block 22 23 5 ZEDA RO zRack 262 Installation and Operation Guide 2015 001 Zedaro LLC 120 Otonabee Drive Level 1 Kitchener ON N2C 1L6 Canada www Zedaro com 24 25
9. ITHSTANDING ANY OTHER OR PRIOR STATEMENT WRITTEN OR ORAL ZEDARO MAKES NO OTHER WARRANTIES REGARDING THE QUALITY OF ITS PRODUCT S OR THE MATERIALS COMTEMPLATED HEREUNDER AND ZEDARO EXPRESSLY DISCLAIMS ANY WARRANTIES OF DURABILITY THAT THE PRODUCT WILL MEET ALL OF CUSTOMER S NEEDS OR THAT THE OPERATION OF THE PRODUCTS WILL BE ERROR FREE B Customer acknowledges and agrees that the Products supplied under this Agreement are intended for test purposes within the confines of the Formula SAE competition and are not specifically designed manufactured or intended for use or resale in critical applications or hazardous environments requiring fail safe performance and in which the failure of Products could lead directly to death personal injury or severe physical or environmental damage High Risk Activities ZEDARO and its suppliers explicitly disclaim any express or implied warranty of fitness for any such use and the customer hereby agrees to release and hold ZEDARO harmless from liability resulting out of or in connection with implementation of these Products in High Risk Activities C LIMITATION OF LIABILITY ZEDARO S LIABILITY SHALL BE LIMITED TO THE PRICE PAID BY CUSTOMER FOR THE GOODS OR TO REPLACEMENT OF THE GOODS AND CUSOMTER SHALL BE ENTITLTED TO NO OTHER REMEDY REGARDLESS OF THE FORM OF THE CLAIM ZEDARO SHALL NOT BE LIABLE FOR INDIRECT SPECIAL INCIDENTAL CONSEQUENTIAL OR PUNITIVE DAMAGES ARISING FROM OR RELATING TO THE USE OF OR
10. as always been apparent to us that many of the products which small race teams use are not particularly suited towards their requirements but rather are simply all that is available We hope that by filling this special niche the issue will never again be a matter of compromise and we will do our utmost to keep the product on the cutting edge of technology and optimization In addition to an advanced product we offer our combined experience and expertise in the field of steering and vehicle dynamics and kinematics to assist individuals and teams execute the installation and utilization of it with a focus on safety and integrity Should you have any questions or concerns about the product which are not explicitly or satisfactorily addressed in this document please do not hesitate to contact us immediately We would also like to acknowledge and thank the many individuals who have contributed their valuable feedback and experience with the product and also those teams who showed the interest and trust in us to implement and test the product in its early stages We welcome any and all feedback which is available so if you have any comments about your experience or opinions of the product please share them with us your feedback is greatly appreciated Thank you again and we wish you all success in your driving endeavors Sincerely The zRack Team TERMS AND CONDITIONS OF SALE OPENING THIS PACKAGE INDICATES YOUR AGREEMENT TO BE BOUND BY THE
11. d by Buyer or in lieu thereof the Buyer shall provide ZEDARO with a tax exemption certificate acceptable to the taxing authorities 4 Payments Each shipment shall be considered a separate transaction and payment shall be made accordingly In the event of default by Buyer ZEDARO may decline to make further shipments without in any way affecting its rights under other orders Should ZEDARO decide to continue to make shipments despite any default by Buyer its action shall not constitute a waiver of such default or in any way offset or limit ZEDARO s legal remedies for such default 5 Limited Warranty A ZEDARO warrants the following with respect to Product manufactured by ZEDARO or bearing the ZEDARO label 1 that the Product is free from defects in material and workmanship and when used in accordance with the user manual supplied with the Product will operate substantially in accordance with the applicable functional specifications applicable to the product purchased and 2 that upon payment in full for the Product they shall be rendered free and clear of liens claims or encumbrances B The above Product warranty shall extend to the original end user purchaser of the Product for a period of twelve 12 months from the date of shipment With respect to any products sold but not manufactured by ZEDARO or bearing the ZEDARO label ZEDARO will assign to Customer all available manufacturer warranties The warranty period for repaired or replac
12. ed Products shall be the remainder of the original warranty period for the repaired or replaced item C ZEDARO s sole liability under this warranty shall be a either to repair or to replace at ZEDARO s option the defective Product component s in accordance with ZEDARO s return and repair procedures or b if after repeated efforts ZEDARO is unable to resolve the defect by repair or replacement to refund the purchase price upon return of the defective item ZEDARO shall incur no obligation under this warranty if 1 the allegedly defective Product is returned to ZEDARO more than thirty 30 days after the expiration of the applicable warranty period 2 if ZEDARO s verifiable tests disclose that the alleged defect is not due to defects in material or workmanship or 3 if in ZEDARO s sole judgment the Product has been subjected to misuse or neglect alteration improper maintenance or damage due to excessive physical or heat or stress This Product warranty is void if the serial number of the Product has been defaced altered or removed 6 Warranty Limitations and Exclusions A THE WARRANTIES SET FORTH ABOVE FOR THE PRODUCTS PROVIDED HEREUNDER ARE COMPLETE AND ARE IN LIEU OF AND CUSTOMER HEREBY WAIVES ALL OTHER CONDITIONS REPRESENTATIONS AND WARRANTIES EXPRESS OR IMPLIED BY STATUTE USAGE CUSTOM OF THE TRADE OR OTHERWISE INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE NOTW
13. eft to right Tie Rod Angle a Rack Axial Load Right Fy Frr cos a Rack Axial Load Left Fy Frr2 cos a Net Axial Tooth Mesh Load Fynet Fa Fy Net Steering Wheel Torque Tnet Fynet X 13 608 mm THE MAXIMUM ALLOWABLE NET AXIAL TOOTH MESH LOAD IS 6670 N MAX INPUT TORQUE IS 91 Nm Off Axis Loading using Tie Rod angle and forces Right Tie Rod Force Frei Positive when acting from left to right Left Tie Rod Force Frr2 Positive when acting from left to right Right Tie Rod Angle Qa Right Tie Rod Angle Q2 Off Axis Load Right Fy Frp1 sin a Off Axis Load Left Fxz Frg2 sin a Net off axis loading and moments must be calculated with vector force representation THE MAXIMUM ALLOWABLE OFF AXIS LOAD PER SIDE IN ANY DIRECTION IS 2280 N Rack Speed and Travel The linear travel of the rack is constant and proportional to the rotary steering input angle The ratio has been chosen based on extensive experience to be compatible with competitive entries in the Formula SAE STUDENT classes The term Rack Speed is commonly used to compare the ratio of rack linear travel per full turn of the steering wheel 360 RACK SPEED 85 8 mm Revolution Constant 11 Rack Travel per Degree of Steering Wheel Input Steering Input Angle B 105 4 lt B lt 105 4 M 85 8mm Rack Position Snack B X 5 25 1 mm lt Spack lt 25 1 mm Note that when the rack is moved to the limit on either side
14. failure to respond to a request for mediation or to attend a scheduled mediation shall entitle the other party to seek other legal relief SPECIFICATIONS Property zRack 262 Mass Assembly Only 0 235 kg 0 52 Ib Mass Installed w Mounts 0 273 kg 0 60 Ib Kinematic Length 262 mm 10 315 in Linear Travel Per Degree of Steering Input 0 2383 mm 0 00938 in Max Linear Travel Per Side 25 1 mm 0 988 in Max Rotary Input Per Side 105 4 Recommended Lin Travel Per Side lt 25 0 mm lt 0 984 in Recommended Rotary Input Per Side lt 104 9 Max Axial Load Rating 6670 N 1500 Ibf Max Off Axis Load Rating Per Side 2280 N 512 Ibf Max Steering Torque 91 Nm 67 Ibf ft Recommended Max Axial Load 1780 N 400 Ibf Recommended Max Off Axis Load Per Side 780N 175 Ibf Recommended Max Steering Torque 24 Nm 18 Ibf ft Max Allowable Tie Rod Angle 10 Recommended Tie Rod Angle 0 5 CG Vertical Location from Rack Axis 5 950mm Towards Pinion Axis CG Lateral Displacement Range 0 11 633mm Static Friction Stiction Range SN 1N Static Friction Torque Range 0 2 Nmt 0 03Nm Input Shaft Material Hardness AISI 4140H 34 RC Pitch Mass Moment of Inertia CG 47615 gmm Yaw Mass Moment of Inertia CG 1112699 gmm Roll Mass Moment of Inertia CG 1020306 gmm Tie Rod Clevis Cross Drill Diameter 6 363 0 013 mm 0 2505 0
15. harges upon receipt of the Product and Customer s applicable purchase order or other written authorization to repair 8 Entire Agreement Assignment This constitutes the entire agreement of the parties and supersedes all prior written or oral agreements representations or understandings relating to the subject matter hereof Buyer will not assign its order or any interest therein or any rights under this agreement without the prior written consent of ZEDARO 9 Force Majeure Neither party shall be liable for any failure or delay in performance of its obligations under this agreement where such performance is prevented or delayed by causes beyond its reasonable control including without limitation flood war embargo strike or other labor dispute riot acts of God or the intervention of any government authority 10 Governing Law Disputes The rights and obligations of the parties arising under or in connection with the sale of ZEDARO product shall be governed by the laws of the Province of Ontario Canada In the event of a dispute relating to ZEDARO product it is agreed that the parties shall first submit their dispute to mediation pursuant of the Commercial Mediation Rules of the Canadian Arbitration Association to be held in Ontario Canada within 30 days from receipt of written notice of a claim or dispute The parties shall make a good faith attempt to resolve their dispute through mediation before seeking any other legal remedy A party s
16. hen tie rod forces are acting in the same direction whereas significant axial rack loading still occurs when they are acting in opposite directions such as under hard braking It is also recommended to operate the rack under the minimum possible off axis conditions as off axis loading has detrimental effects to the rack and pinion tooth mesh rack bearing loads and friction and out of plane mounting bulkhead loading In extreme cases off axis loading will result in decreased service life increased steering effort requirements and a larger overall turning circle radius than what might otherwise be possible The calculations presented here are simplified and for reference only It is recommended that final design calculations be based on vector representations for all forces and moments and be conducted throughout the full spectrum of the suspension and steering travel under all driving conditions Tie Rod Angle using Vertical and Longitudinal Offsets Point 1 Steering Clevis Node Xi Y Z1 Point 2 Steering Arm Node X2 Y2 Z2 Tie Rod Length TRL Vertical Offset AZ Z Z1 Longitudinal Offset AX X Xi Tie Rod Angle a sin PEZ TRL Note that it is recommended to work in degrees THE MAXIMUM ALLOWABLE TIE ROD ANGLE IS 10 045 IS RECOMMENDED 10 Axial Loading using Tie Rod Angle and Forces Right Tie Rod Force Fri Positive when acting from left to right Left Tie Rod Force Frr2 Positive when acting from l
17. ie Rod Connection to Clevis Full Size Bolt Section 14 Figure 4 Recommended Tie Rod Connection to Clevis Undersized Bolt Section 14 Figure 5 ZzRack 262 Assembly Vi 1 nalen 15 Figure 6 Housing Retaining Screws nennen 16 Figure iia 18 Figure E Bump OPS t ire E Ee a eerte iro ree eye e 21 Figure 10 Upper Mounting Block 22 Figure 11 Lower Mounting Block 22 LIST OF SYMBOLS AND ACRONYMS RS LtL CtC OAL TRL Snack Rack Speed Linear travel per degree of wheel input Lock to Lock Distance rack travels from full left to full right Center to Center The distance between two axes Off Axis Loading Any force not parallel to the rack axis Tie Rod Length Rack Displacement from Center Steering Wheel Angle from Center Tie Rod Load Rack Off Axis Load Component Rack Axial Load Component INTRODUCTION amp ACKNOWLEDGEMENTS Thank you and congratulations on your decision to include zRack technology in your vehicle project This product has been engineered to meet the strictest class requirements for its size and as such should serve its purpose well for many seasons to come In order to obtain the best possible performance and longevity from your zRack please consider and implement the guidelines and recommendations presented in this document carefully zRack was envisioned and created by a small group of dedicated engineers with extensive FSAE histories and experiences From the onset it h
18. ng shaft to have a wave profile It is the sole responsibility of the end user to ensure that the welding design and process is suitable for any given application Additional Notes The assembly must not be used as a structural frame member The component material and coatings cannot be welded and will be destroyed by the heat of any welding process Do not attempt to weld on the assembly or any of the components other than the input shaft Non marring wrenches are recommended for use on the end caps during assembly disassembly These can be purchased directly from us or our resellers if needed Sealant is not used in the factory assembly of the housing pieces The end user may apply sealant or bonding if desired keeping in mind the end cap thread dimensions must not be substantially affected or else the caps will not thread on properly If there is any doubt about any aspect of the product or its use please contact our support personnel we are happy to help Thank you 19 20 ACCESSORY DRAWINGS PROPRATART AL DECIA von CONCEPTS ANG PROCEDURES PRESEATED n TMS DOCUMENT ARE HE En OF IDARO NC ANO SMALL NOT EE DUPUCATED et OB DISCLOSED FOR TATE ANT DURO PARTY UNDER ANT TANCES AL RGHTS RESERVED THICKNESS 0 5 X 45 TYP EE B Eggs E ee poems ve Salona PESE www ZEDARO com E 20011301 G ss Figure 8 Bump Stops 21 PROPPATATY ALL BECRMAJON CONCEPT AND PEOCIDUME PRESENTED IN Tb DOCUMENT ARE DA
19. there is mechanical contact between the rack and the housing to limit travel and protect the pinion teeth Consider that such contact will inevitably cause some wear to the rack and housing If possible it is recommended to use a slightly lower travel for design i e lt 25 mm Bump Stops Bump stops with some elastic damping properties should be manufactured and installed to limit rack travel to within the allowable range defined by the steering kinematic design The hygroscopic expansion contraction properties of any polymers used for bump stops must be accounted for to ensure that adequate travel and clearances can be maintained in service RECOMMENDED Urethane Silicone PEEK NOT RECOMMENDED Nylon ABS Delrin Acetal Metals In order to streamline the design of bump stops for specific applications the following table is presented intended to provide basic dimensions for various travel requirements assuming a rigid bumpstop material Note that these values are for reference only Lock to Lock 170 180 210 Angle mm in mm in mm in Total Travel 40 375 1 5896 42 750 1 6831 49 875 1 9636 erg ES 20 188 0 7948 21 375 0 8415 24 938 0 9818 Bump Stop 5 020 0 1980 3 833 0 1509 0 270 0 0106 Thickness Table 2 Bump Stop Characteristics Please see Figure 9 in section ACCESSORY DRAWINGS for dimensional data 12 Clevis Connection to Tie Rods Tie rod cle
20. vises which are compatible with standard spherical rod end connectors ranging in size M4 M6 8 in from have been supplied The clevis pin bore diameter is 6 35mm 0 25 in and in cases where smaller diameter pins or bolts are desired it is necessary to manufacture spacers with stepped bosses to account for the difference in size Spacers which have stepped bosses should be designed such that the top of the boss does not extend beyond the outer faces of the clevis otherwise the clamping force of the clevis bolt will not be applied equally to the clevis and spacer rod end stack Boss tolerances should create a transitional fit H9 n6 Use high quality fasteners to make the connection between the tie rod spherical ball joints and the clevises It is recommended to use partially threaded fasteners which are not threaded in the shear zones between the clevis forks spacers and the tie rod ball 13 RI Y AR E CF Z SS vr O ASSEMBLY DIAGRAM 1 12 2 13 s e Figure 5 zRack 262 Assembly View Table 3 Parts List 1 Front Housing 2 Rear Housing 3 Rack 4 Pinion 5 Input Shaft 6 Clevis 2 7 153 End Collet 2 8 Scraper 2 9 Wear Ring 2 10 Pinion Bearing 2 11 Input Shaft Retaining Screw 12 Belleville Washer 13 Rack Support Saddle 14 Clevis Retaining Screws 2 15 Housing Retaining Screws 15 ZD0101 ZD0102 ZD0104 ZD0105 ZD0107 ZD
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