Installation and Operation Manual Self Steering Axle with Stabilizing
Contents
1. Steer Axle in a centered position prior STABILIZER DAMPER STABILIZER DAMPER to backing up will result in reversed self steering geometry which if not avoided could result in severe tire or axle damage If reversing of the vehicle is necessary with the SAF Self Steering Axle supporting load ensure that it is locked in the straight ahead position by venting the air pressure from the locking actuator Figure 7 and then driving the vehicle straight ahead until the locking actuator is in engagement with the tie rod assembly locking actuator notch Figure 7 LUBRICATION POINTS CAUTION Failure to lock the SAF Self Steer Axle in a centered position prior to backing up with the axle under load will result in reversed self steering geometry which if not avoided could result in severe tire or axle damage Figure 8 14 Maintenance Procedure 14 1 Lubrication SAF Self Steer Axles are lubricated at the factory Once placed in service they do require periodic lubrication Lubricate after one 1 month in service and then every six 6 months at the locations shown Figure 8 The steering axle should be in the raised position during lubrication Use high quality chassis grease 14 2 Visual Inspection Inspect the components for proper function every six 6 months XL AA10006BM en US Rev A 2011 09 16 Amendments and Errors Reserved SAF HOLLAND Inc EN Service Parts 15 Service Parts QTY PER NO DESCRIPTION2. Cautions and Warnings You must read and understand all of the safety procedures presented in this manual before starting any work on the suspension axle Proper tools must be used to perform the maintenance and repair procedures described in this manual Many of these procedures require special tools NOTE In the United States work shop safety requirements are defined by federal and or state Occupational Safety and Health Act Equivalent laws may exist in other countries This manual is written based on the assumption that OSHA or other applicable employee safety regulations are followed by the location where work is performed IMPORTANT Read this manual before using this product Keep this manual in a safe location for future reference SAF SAF HOLLAND Group Contents Page Section I Castet ssossessesresresrerrer rer rer rer rr ror rer r or RAR KOR KOR KAR Ra Section 10 CAMDber sssssssesesssrresssrenrrrre rss rrrr rr rr rr rr KKR 202210 7 Section 11 Steering Angle smnsssseserssrrerrsrerssnerrsnnrrnnnnr rann rna 8 Section 12 Tire Clearance cccccccccesececcceseeeecseeeeeeeseeeees 8 Section 13 Self Steer Axle Operation sssessserssseerssonnna 9 Section 14 Maintenance Procedures ccccesseseeeeeeeeeeeeess 9 Section 15 Service Parts ccccccseccccseeeeeeeeeeeeeeeeeeseeeeueeneess 10 Section 16 Fastener Torque SpecificatiONS 11 Section 17 Wheel En
3. PART NUMBER AXLE OCE Steering Bolt s orman omg a er ewer orons a gt ese O Tooo a Tie Rod Assembly 56 7 59 0 Tie Rod Assembly 61 4 63 75 Tie Rod End LH M 24 x 110 Grade 8 8 Bolt Available only in kit form 03434365700Z Knuckle Repair Kit Available only in kit form 03341002319Z Stabilizing Damper Fastener Kit Note Kits available from your local SAF HOLLAND Distributor S4F SAF HOLLAND Group Figure 9 Figure 10 12A 56 7 59 0 1440 mm 1499 mm 12B 61 4 63 75 1560 mm 1619 mm 10 XL AA10006BM en US RevA 2011 09 16 Amendments and Errors Reserved SAF HOLLAND Inc SAF SAF HOLLAND Group 16 Fastener Torque Specifications IMPORTANT When servicing the SAF Self Steer Axle tighten fasteners Figure 10 according to the torque values chart AWARNING Failure to tighten SAF Self Steer Axle components to proper torque values could result in loss of steer axle components which if not avoided could result in death or serious injury 17 Wheel End Service For CBX23 and CBX25 Suspensions with Drum Brake Systems refer to SAF HOLLAND Drum Brake Axle Service Manual XL TA100060M available at www safholland us For CBX23 and CBX25 Suspensions with Disc Brake Systems refer to SAF Disk Brake Axle Service Manual XL SA100590M available at www safholland us Figure 11 Torque Specifications and Wheel End Service Fastener Torque Values NO 1 5 DESCR
4. 2 with an unloaded trailer This is set at the factory and cannot be adjusted 5 Ensure that stabilizer damper is in the neutral strain free condition and that the locking actuator is in alignment with the locking notch on the tie rod assembly Figure 5 Figure 5 TIE ROD ASSEMBLY ACTUATOR NOTCH LOCKING ACTUATOR TIE ROD RETAINING CLAMPS 5 PIECES STABILIZER DAMPER XL AA10006BM en US RevA 2011 09 16 Amendments and Errors Reserved SAF HOLLAND Inc Installation Instructions 11 Steering Angle SAF Self Steer Axles are equipped with an adjustable steer angle feature and are preset at their maximum steering angle depending on the model number of either 20 or 30 It is important to limit the self steer axle steering angle to prevent interference between the wheels and chassis components 12 Tire Clearance Verify minimum tire clearance from closest vehicle component of 2 50 8 mm from the side of each tire when the axle is fully turned in either direction and 1 25 4 mm from the top of each tire when the suspension is lifted AWARNING Failure to maintain clearance between tires and the nearest point of contact on the suspension or vehicle could cause tire failure fire or loss of vehicle control which if not avoided could result in death or serious injury To adjust the steering angle on the SAF Self Steer Axle equipped with an adjustable steer angle 1 Loosen lock nut on steer
5. IPTION THREAD Tie Rod End Castellated Nut Retaining Clamp Bolts Stabilizing Damper Bolts Axle Lock Actuator Nuts Cover Plate Bolts ON M30 Me m NUMBER PER AXLE TORQUE FT LBS Nem 2 E 2 XL AA10006BM en US Rev A 2011 09 16 Amendments and Errors Reserved SAF HOLLAND Inc EI Sap olang ORIGINAL PARTS From fifth wheel rebuild kits to suspension bushing repair kits SAF HOLLAND Original Parts are the same quality components used in the original component assembly SAF HOLLAND Original Parts are tested and designed to provide maximum performance and durability Will fits look alikes or worse yet counterfeit parts will only limit the performance potential and could possibly void SAF HOLLAND s warranty Always be sure to spec SAF HOLLAND Original Parts when servicing your SAF HOLLAND product SAF HOLLAND USA 888 396 6501 Fax 800 356 3929 www safholland us SAF HOLLAND CANADA 519 537 3494 Fax 800 565 7753 WESTERN CANADA 604 574 7491 Fax 604 574 0244 www safholland ca SAF HOLLAND MEXICO gt 52 1 55 5456 8641 Fax 52 55 58162230 www safholland com mx info safholland com SAF HOLLAND USA INC A 1 i 1950 Industrial Blvd Musk
6. Operating the vehicle without proper air pressure can cause tire failure fire or loss of vehicle control which if not avoided could result in death or serious injury We highly recommended the use of only SAF HOLLAND Original Parts A list of SAF HOLLAND distributor dealer locations to supply SAF HOLLAND Original Parts can be found at www satholland us or you can SAF HOLLAND Customer Service Group at 888 396 6501 Updates to this manual will be published as necessary online at www safholland us XL AA10006BM en US RevA 2011 09 16 Amendments and Errors Reserved SAF HOLLAND Inc EJ A Decal Requirements SAF SAF HOLLAND Group 2 Standard Decal Requirements The following decal must be properly installed on the Axle prior to putting it in service Tire Clearance Warning Decal XL AR356 01 Figure 1 It is the responsibility of the end user to periodically inspect all decals and ensure that they are clean and completely legible If any decals are missing loose damaged or difficult to read contact SAF HOLLAND Customer Service at 888 396 6501 to order replacements immediately Figure 1 Minimum tire clearance MUST be maintained between tires and TIRE CLEARANCE REQUIREMENTS nearest point of contact on the suspension or vehicle Premature e 1 INCH 25 4 mm MINIMUM VERTICAL tire clearance is required between the top of the tire tire wear fire or loss of vehicle control could result from contact and the nearest point of c
7. SAF SAF HOLLAND Group Installation and Operation Manual XL AA10006BM en US Rev A SAF olan Contents Contents Page APOC UCTIOM sausrai Ea 2 WGA AEE E E barns E E E 2 Notes Cautions and WarningS cccsccscssseecsseesssteeeesees 2 Section 1 General Safety Instructions seseeermeerseern 3 Section 2 Standard Decal Requirement sesseeerrrrn 4 Section 3 and 4 Self Steering Axle Model Identification 5 Section 5 Suspension Installation ssssssererrsrssseerrrsnnnnnn 6 Section 6 Ride HeiGht ssssesserrserersrosnsssrnrsnnrnnn era nnr nns nn 6 Section 7 Axle Alignment sssssessrssserrsseerssnernssnrrnnnrr nn ern rn rna nn 6 Section 8 TOG IN ssssssssssersrrersrnssrnrsrrrar ara RAR RAR Ran RR R RR KRK RR KRK KR 6 Introduction This manual provides you with information necessary for the care maintenance inspection and safe operation of the SAF Self Steering Axle SAF axles are designed and engineered to provide trouble free service NOTE This literature only covers the SAF Self Steering Axle Refer to other SAF Holland literature for brakes suspensions and other axle system components on our website www safholland us or contact customer service at 888 396 6501 Warranty Refer to the complete warranty for the country in which the product will be used A copy of the U S Warranty can be downloaded from the SAF HOLLAND Web Site www safholland us Notes
8. d Servite 11 Throughout this manual you will notice the terms NOTE IMPORTANT CAUTION and WARNING followed by important product information So that you may better understand the manual those terms are as follows NOTE Includes additional information to enable accurate and easy performance of procedures IMPORTANT Includes additional information that if not followed could lead to hindered product performance CAUTION Used without the safety alert symbol indicates a potentially hazardous situation which if not avoided could result in property damage ACAUTION Used with the safety alert symbol indicates a potentially hazardous situation which if not avoided could result in minor or moderate injury AWARNING ndicates a potentially hazardous situation which if not avoided could result in death or serious injury Pa XL AA10006BM en US Rev A 2011 09 16 Amendments and Errors Reserved SAF HOLLAND Inc S4F SAF HOLLAND Group 1 General Safety Instructions Read and observe all Warning and Caution hazard alert messages in this publication They provide information that can help prevent serious personal injury damage to components or both AWARNING Failure to properly support the vehicle and axles prior to commencing work could create a crush hazard which if not avoided could result in death or serious injury NOTE Several maintenance procedures in this manual require r
9. e positioning of the brake chamber brake calipers and or ABS system Consult the manufacturer s manual for procedures on the proper operation of brake chamber brake calipers and or ABS system IMPORTANT Key components on each axle s braking system including friction material rotors and drums are intended to wear over time Worn parts should be replaced in sets on both the road and curb side of an axle AWARNING Failure to follow manufacturers instructions regarding spring pressure or air pressure control may allow uncontrolled release of energy which if not avoided could result in death or serious injury Please observe the following safety instructions in order to maintain the operational and road safety of your SAF axles 1 The contact surfaces between the wheel and hub must not have any paint added to them The contact surfaces must be clean smooth and free from grease AWARNING Failure to keep wheel and hub contact surfaces clean and clear of foreign material could allow rim hub separations which if not avoided could result in death or Serious injury 2 Only the wheel and tire sizes approved by the trailer manufacturer may be used 3 Before operating vehicle ensure that the maximum permissible axle load is not exceeded and that the load is distributed equally and uniformly 4 Ensure that the brakes are not overheated by continuous operation AWARNING Failure to minimize the use of brakes during ove
10. egon MI 49443 mz www safholland com Engineering Your Road to Success XL AA10006BM en US RevA 2011 09 16 Amendments and Errors Reserved SAF HOLLAND Inc
11. ing knuckle bolt Figure 6 2 Adjust steering adjustment bolt Figure 6 dimension corresponding with the chart below 3 Tighten locknut to 60 ft Ibs 80 Nem 4 Repeat 1 through 4 for other end of the axle STEERING ADJUSTMENT BOLT LENGTH STEERING ANGLE INCH mm 55 50 45 35 20 AXLE 30 AXLE INCH 0 _ 50 O5 40 E IMPORTANT Angle values marked are for tire clearance purposes only and are not SPIF ONTARIO REGULATION 413 05 compliant S4F SAF HOLLAND Group Figure 6 ADJUSTMENT BOLT LOCK NUT BOLT LENGTH Ean XL AA10006BM en US Rev A 2011 09 16 Amendments and Errors Reserved SAF HOLLAND Inc S4F SAF HOLLAND Group Operation and Maintenance Procedures 13 Operation Figure 7 The SAF Self Steering Axle is designed to operate in self steer LOCKED UNLOCKED mode only with the vehicle moving in a forward direction When LOCKING LOCKING operating a vehicle equipped with the SAF Self Steering Axle SETER a hed in reverse the self steering axle must be raised or locked in a straight ahead position IMPORTANT To prevent significant misalignment of tires while backing up the SAF Self Steering axle must be raised or locked in a straight ahead position prior to moving the trailer backwards CAUTION Failure to either raise or lock the SAF Self
12. jack stands AWARNING Failure to properly support the Self Steering Axle during maintenance could create a crush hazard which if not avoided could result in death or serious injury LINE ____ _ ______ MEASURING O TT NO I PU a TT TRAVEL DIRECTION 6 XL AA10006BM en US RevA 2011 09 16 Amendments and Errors Reserved SAF HOLLAND Inc S4F SAF HOLLAND Group Loosen all tie rod retaining clamp bolts Figure 5 Rotate tie rod Figure 5 to obtain specification Y X 5 32 4 mm to 9 32 7 mm Installation Instructions Tighten tie rod retaining clamp bolts to 90 ft Ibs 120 Nem Recheck toe in and re adjust taking into account changes noted if any when retaining clamps are tightened To measure axle toe in use a 39 3 8 1 m horizontally 9 Reinstall wheels oriented straight edge on each hub surface and a plumb bob to create ground marks that are located 19 5 8 500 mm 9 Caster in front and rear of each wheel The distance between the front ground marks X should be from 5 32 4 mm to 9 32 7 mm shorter than the distance between the rear ground marks Y resulting in a slightly inward biased wheel direction 0 2 to 0 4 included angle SAF Self Steer Axle caster is set at the factory at 0 with a tolerance of 3 1 and cannot be adjusted 10 Camber SAF Self Steer Axles have a camber specification of 1
13. m SAF Integral Disc Brake Without Drum Brake S Single Tire Z Twin Tire N O A UA I AN 3335528 SN 11091560020 XL AA10006BM en US Rev A 2011 09 16 Amendments and Errors Reserved SAF HOLLAND Inc 5 Installation Instructions 5 Suspension Installation Install suspension per CBX23 CBX25 Series Suspension Installation and Operation Manual XL AS114060M en US available at www safholland us 6 Ride Height With the suspension properly installed apply air to the trailer and verify the ride height of the self steer assembly If adjustment is required refer to XL AS114060M EN US available at www safholland us 7 Axle Alignment Perform axle alignment with the steer axle locked in the straight ahead position per XL AS114060M en US available at www saftholland us Figure 4 MEASURING 19 7 500 mm ANNAN AL M C i ANN B ON 39 4 1000 mm i S4F SAF HOLLAND Group 8 Toe In SAF Self Steer Axle toe in is factory set to orient the wheels slightly inward during normal operation Y X 5 32 4 mm to 9 32 7 mm Figure 4 During the course of normal axle maintenance it may become necessary to check and or re adjust the axle toe in To adjust toe in 1 The trailer must be unloaded 2 Remove the wheels and support the axle at normal ride height using appropriate
14. ontact above the tire when the air pressure is completely exhausted with the tires if clearances are nol maintained from the air suspension or when the axle is fully lifted if equipped with a suspension lift feature e 2 INCH 50 8 mm MINIMUM LATERAL tire clearance is required between the sides of the A L tire and the nearest point of contact through total travel of the air suspension This includes SA folland Copyright 2011 SAF HOLLAND Inc www safholland us XL AR356 01 when the wheels are fully turned in either direction if equipped with an SAF Self Steer Axle Eg XL AA10006BM en US Rev A 2011 09 16 Amendments and Errors Reserved SAF HOLLAND Inc Model Identification S4F SAF HOLLAND Group 3 Self Steering Axle Model Identification Figure 2 The Self Steering Axle Serial Tag is located near the center of the axle tube Figure 2 4 Model Nomenclature The sample tag shown will help you interpret the information on the SAF HOLLAND Inc serial number tag The axle version type test report number serial number identification number axle capacity and max speed is listed on the tag Figure 3 ie TAG LOCATED CENTER S L 9 22K01 OF EACH AXLE TUBE 22K01 22 5 Integral Disc Brake 16570 16 5 x 7 0 Drum Brake Figure 3 9 9 Tonne 20 000 pound Axle Capacity 11 11 Tonne 24 000 pound Axle Capacity L Self Steering Axle SAF HOLLAND GMBH SAE Holland D 63856 BESSENBACH GERMANY
15. rheating conditions could result in deterioration of brake efficiency which if not avoided could result in death or serious injury General Safety Instructions 5 The parking brake must not be immediately applied when the brakes are overheated as the brake drums or discs may be damaged by different stress fields during cooling 6 Observe the operating recommendation of the trailer manufacturer for off road operation of the installed axles IMPORTANT The SAF HOLLAND definition of OFF ROAD means driving on non asphalted non concreted routes such as gravel roads agricultural and forestry tracks on construction sites and in gravel pits IMPORTANT Off road operation of SAF axles beyond the approved application design may result in damage and impair axle and suspension system performance 7 SAF axles require routine service inspection and maintenance in order to maintain optimum performance operational and road safety and to be able to recognize natural wear and defects before they become serious 8 In the event of suspension air loss reduce speed quickly and remove the vehicle from traffic if possible If unable to remove the vehicle from traffic follow DOT safety requirements regarding emergency situations 9 Contact a qualified towing and or service company to assist in repairing vehicle or to move it to a qualified repair facility DO NOT operate the vehicle in the absence of suspension air pressure AWARNING
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