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Service manual for mechanical suspension systems

1. M30 350 Nm M30 350 Nm M14 105 Nm Ref No IPL 25 060 0 Leaf Spring Suspensions Type VB 9 000 kg 30 000 kg HD for axles refer to separate maintenance chart i After first Periodic checks Service schedule ns 5000 km every every lleage intervals gt or 15000 km 90000 km 150000 km whichever comes first mae After first every every Time intervals h month 6 months 12 months Mechanical check Torque check all nuts and bolts to recommended setting Follow exploded view items Lubricate rocker arm shaft bushs Visual inspection for wear damage Check suspension components for wear and damage Safety inspection Check suspension ride height in laden condition if excessive trailer slope is obvious consult trailer manufacturer Repeat check also after every tractor interchanging Special service conditions Vehicles with long standing periods service at specified time intervals Vehicles used under extreme conditions service at suitably reduced intervals e g Trailer operating in continous multi shifts or in off road constructions sites Warranty claims will only be accepted as long as the operating and maintenance instructions have been complied with and if SAF approved spare parts have been fitted Leaf Spring Suspensions Type VB 9 000 kg 30 000 kg HD Bronze bushing rocker shaft Tri axle suspension Assembly of Tri axle suspension are basical
2. amp O 8 Bone 0 E 008 E e NOTIZEN NOTES NOTE SAF Tandem Bogie Suspensions Type IRUDZW 32 000 kg Tandem Bogie Suspensions Type IRUDZW 32 000 kg Item Parts designation 01 Trailer axle 2 Spring seat 101 Walking beam 102 Mounting pedestal kit including items 103 105 123 103 Pedestal 104 Bracket 105 Bolt kit including items 106 107 106 Hex bolt 107 Hexnut 110 Pivot housing 111 Grease nipple 112 Washer 113 Seal ring 114 Pivot bronze bush 115 Washer 116 Axle nut 117 Lock plate 118 Cap 120 Hex bolt 121 Spring washer 122 Washer 123 Sleeve 125 Cross member When ordering spare parts quote correct axle identification serial no refer to the axle type plate Item 126 201 202 203 204 205 206 206 1 207 208 209 210 211 212 Parts designation Repair kit including items 112 115 Leaf spring Main leaf Spring tension plate U bolt kit including items 205 206 U bolt Hex nut Washer Rubber pad Clamping box U bolt kit M20 including items 210 211 U bolt M20 Hex nut Air bag offset Tandem Bogie Suspensions Type IRUDZW 32 000 kg Use a torque wrench The use of impact wrenches is not accepted M24 600 Nm M24 650 700 Nm OV Um C SES oe p M24 650 700 N 6 u KS e
3. 26 D 63856 Bessenbach Tel 06095 3 01 0 Fax 060 95 3 01 259 www saf achsen de SAF Trade spol s r o Otto Sauer Achsenfabrik Keilberg KG 0061 3 933690856 0043 2236 646500 00375 17 2849092 00359 58 22491 0056 2 62348 51 00420 632 557188 0045 75520080 0020 2 2152309 00358 67818750 0033 1 30880900 0049 06095 301 0 0044 1509 600185 0036 76 493507 00354 5 889797 00972 9 8626030 0039 045 8781435 0060 3 61858292 0031 0 342 497889 0064 9 9807300 0047 67063500 0086 531 8 873361 889 0048 672166560 70 00351 21 2134710 00 40 68 258830 007 095 5799400 00421 38 7601834 00386 530 29213 0034 93 84681 11 0046 36 169700 0041 52 3372121 0090 212 2854364 65 0090 212 2862690 91 00381 13520427 P A M Aie ac ree oer wa SAF SV11254GB 0106
4. with automatic ajustment Slack adjuster automatic Bracket LH Bracket RH Release spring Dust cover kit including items 92 99 Dust cover RH Dust cover LH Rubber plug Cable clip Fastener clip bolt Clip Rubber plug When ordering spare parts quote correct axle identification serial no refer to the axle type plate Brake checking and adjustment S cam brakes with manual slack adjusters Due to normal brake drum and brake lining wear the wheel brakes must be regularly adjusted in order to maintain the full brake performance To ensure maximum brake efficiency the clearance between brake lining and drum must be kept to an absolute minimum To determine this clearance check the brake chamber stroke while full pressure is applied to the service brake If the push rod movement is more than 2 3 of the maximum chamber stroke then the brake must be adjusted With a correctly adjusted brake the push rod movement is not more than 15 mm In brake released position no push rod movement ist permissible Adjusting screw spanner size 19 mm Turn adjusting screw to the right until the brake lining contacts closely to the brake drum Turn adjusting screw to the left until the push rod movement at 127 mm is approx 10 15 mm The wheel must rotate freely with no grating noise Special instructions for automatic slack adjusters are given on the following pages A At
5. 1 2 push rod stroke the angle must remain more than 90 B On full brake application the slack adjuster housing should have clearance to the axle beam L Check push rod length in accordance with SAF specification Automatic slack adjuster Type HALDEX When interchanging from a manual to an automatic slack adjuster make sure that you fitt replacement adjuster in accordance with type approval by SAF for your specific axle type Changes to the adjuster arm length are not permissible NOTE The installation of an incorrect type of automatic slack adjuster will result in critical effect of serious overheating the brakes References regarding automatic slack adjuster to SAF axles types are available from your SAF service partner at request see back cover Automatic slack adjuster Type HALDEX L Set cams and brake shoes to released position Observe the correct push rod length L as indicated in the SAF specifications Membrane brake chamber Before installing the automatic slack adjuster ensure that the brake chamber push rod is in released position By contrast spring brake chambers must be under full operating pressure min 6 bar IMPORTANT If this is not maintained properly the basic setting will be wrong with critical effect of overheating the brakes Grease the camshaft e Install anchor bracket 3 being sure to use two fixing bolts 4 do not yet tighten the bolts Install the slac
6. 125 125 1 rocker shaft kit Ref No IPL 08 070 0 Leaf Spring Suspensions Type VB 12 000 kg 48 000 kg Item Parts designation 101 Hanger bracket kit RH front including items 103 105 111 101 1 Hanger bracket kit LH front including items 103 1 105 111 102 Hanger bracket kit rear including items 104 105 111 103 Front hanger bracket RH 103 1 Front hanger bracket LH 104 Rear hanger bracket 105 Slider 106 Slide link 107 Distance sleeve 107 1 Distance sleeve 108 Hex bolt 109 Lock nut 110 Hex bolt 110 1 Hex bolt 111 Lock nut 112 Front hanger bracket RH 112 1 Front hanger bracket LH 114 Rocker arm 116 Slide link 118 Rocker shaft kit including items 119 123 1 119 Rocker shaft 120 Bronze bush 120 1 Washer 121 Washer 122 Lock nut 123 1 Grease nipple Item 124 125 126 127 128 129 130 131 133 135 135 1 135 2 137 201 203 205 207 Parts designation Torque arm rigid kit Torque arm adjustable kit Torque arm Adjuster Torque arm end LH Threat Torque arm end RH Threat Hex bolt Lock nut Rubber bush Hex bolt Hex bolt Hex bolt Lock nut Leaf spring Clamping plate U bolt Hex nut When ordering spare parts quote correct axle identification serial no refer to the axle type plate Leaf Spring Suspensions Type VB 12 000 kg 48 000 kg Bronzce bushing rocker shaft Use a torque wrench The use of impact wrenches is not accepted Tri axle suspen
7. Item 65 66 70 71 73 74 75 77 78 80 1 80 3 081 082 85 86 87 88 88 1 89 90 89 1 89 2 89 3 091 92 93 94 95 96 97 98 Parts designation Brake shoe including item 66 Cam roller Brake lining kit including items 71 73 Brake lining cam side Brake lining anchor side Rivet Retaining clamp Release spring ABV Exciter gear Sensor Cable hose Clip Camshaft kit LH including items 85 88 1 18 3 Camshaft kit RH including items 85 88 1 18 3 Disc spring Retaining ring Washer Washer Retaining ring Slack adjuster Release spring with automatic adjustment Slack adjuster automatic Bracket LH Bracket RH Dust cover kit including items 92 99 Dust cover RH Dust cover LH Rubber plug Cable clip Fastener clip bolt Clip Rubber plug When ordering spare parts quote correct axle identification serial no refer to the axle type plate for SAF Axles Types RZ RZT K RZ K RZT K ERZ K ERZT 14242 16242 for suspensions refer to separate maintenance chart After first Periodic checks Service schedule PN 5000km eq een eren lleage intervals gt 15000 km 90000 km 150000 km whichever comes first every every every month 6 months 12 months Time intervals gt Mechanical check Attention Torque check wheel nuts after the first 50 km and 150 km repeat also after every wheel removal Torque check all nuts and bolts to recommended setting Ch
8. Nm M 22 x 2 430 Nm M 22 x 1 5 430 Nm 88 1 081 082 88 87 86 85 1 85 84 84 1 010 18 12 N 15 RZ RZT K RZ K RZT K ERZ K ERZT 14242 16242 Item Parts designation 01 Axle beam assembly including items 3 25 Mounting plate Anchor ball Bronze bush Grease nipple o 0 U w 010 Camshaft bearing kit including items 11 15 18 11 Cam bearing unit 15 Bolt 18 Rubber dust cover 18 3 Wearing gauge 21 Wear ring 22 Axle nut 23 Split pin 25 Brake chamber support 27 Hub including item 28 28 Grooved pin 29 Brake drum 30 Wheel bolt kit including items 31 34 31 Wheel bolt 32 Hex nut 34 Wheel nut 35 Tapper roller bearing 36 Tapper roller bearing 37 Grease seal 40 Hub cap 059 Brake components 64 Brake shoe assembly with linings including items 65 71 73 65 Brake shoe including item 66 66 Cam roller 70 Brake lining kit including items 71 73 71 Brake lining cam side 72 Brake lining anchor side Item 73 74 75 77 78 80 1 80 2 80 3 081 082 84 84 1 85 1 86 87 88 88 1 89 89 1 89 2 89 3 90 091 92 93 94 95 96 97 98 Parts designation Rivet Retaining clamp Release spring Exciter gear Sensor ABS Cable hose Clip Clip Camshaft kit LH including items 84 88 1 18 3 Camshaft kit RH including items 84 88 1 18 3 O ring Distance ring Grease seal Disc spring Retaining clamp Washer Washer Retaining clamp Slack adjuster
9. arm kit Ref No IPL_08_050 0 Leaf Spring Suspensions Type VB 9 000 kg 30 000 kg GL Item Parts designation 101 Hanger bracket kit front including items 103 105 109 102 Hanger bracket kit rear including items 104 105 109 103 Front hanger bracket 104 Rear hanger bracket 105 Slider 106 Slide link 107 Distance sleeve 107 1 Rubber bush 108 Hex bolt 109 Lock nut 112 Hanger bracket 113 Rocker arm kit including items 108 109 114 118 114 Rocker arm 115 Sliding block 116 Slide link 117 Distance sleeve 118 Rocker shaft kit including items 119 123 119 Rocker shaft 120 Rubber bush 121 Washer 122 Castle nut 123 Split pin Item 124 126 127 128 129 130 131 133 134 135 136 137 138 201 203 205 206 207 Parts designation Adjustable torque arm kit including items 126 133 134 Torque arm rigid Adjuster Torque arm end LH Threat including items 130 131 Torque arm end RH Threat including items 130 131 Hex bolt Lock nut Rubber bush Bolt kit including items 135 138 Hex bolt Washer Castle nut Split pin Spring Clamping plate U bolt Distance sleeve Hex nut When ordering spare parts quote correct axle identification serial no refer to the axle type plate Leaf Spring Suspensions Type VB 9 000 kg 30 000 kg GL Rubber bushing rocker shaft Use a torque wrench The use of impact wrenches is not accepted Tri axle suspension Assembly of Tri ax
10. e Ref No IPL_25_031 0 Axles alignment check and adjustment Tandem Bogie Suspensions Type IRUDZ IRUDZW Tandem semi trailers Distance A B C max permissible deviation 1 0 mm Axle alignment responsablety of vehicle manufacturer Axle toe in out 12 3 0 mm m Axle camber 12 SAF manufacturing tolerance values apply to unloaded vehicle The max permissible deviations for axle alignment are following to the tyre manufacturer s specifications To avoid excessive tyre wear we recommend having the alignment checked at regular intervals The relevant reference point for alignment is the hub cap centre or stub axle centre Alignment deviations may be caused by loose U bolts e spring seat wear deformation of axle assembly components due to excessive vehicle operation SAF NOTIZEN NOTES NOTE Tandem Bogie Suspensions Type IDZW for axles refer to separate maintenance chart i After first Periodic checks Service schedule V 5000 km every T every even lleage intervals gt or 15000 km 90000 km 150000 km whichever comes first ma After first every every every Mechanical check Torque check all nuts and bolts to recommended setting Follow exploded view items Lubricate walking beam pivot bushs Visual inspection for wear damage Check suspension components for wear and damage Safety inspection Check suspension ride height in laden condition if excessive trai
11. equalization it is essential that these Leaf Spring Suspensions Type VB are installed horizontally i e they must be installed in preloaded condition so that the arms are positioned horizontally The axles of Leaf Spring Suspensions Type VB are guided in longitudinal direction by radius rods and transversely to the body by the springs which are permanently attached to the axle and guided in equalizers or hanger brackets The longitudinal guiding of the axles with the radius rods means that the axles are shifted in longitudinal direction during the equalizing movement This necessitates a dimensionally precise installation particu larly of the middle axle When the chassis is tilted backwards the hanger brackets of the Leaf Spring Suspensions Type VB must be positioned and welded on observing the centre of gravity in accordance with the dimensions shown in the Leaf Spring Suspension Type VB drawing With triple axle Leaf Spring Suspensions Type VB the starting point for the Leaf Spring Suspensions Type VB installation is the middle axle The specified distance between the middle hanger brackets with equalizer arm relative to one another must be exactly maintained tolerances 2 mm This distance corresponds to the wheelbase of the Leaf Spring Suspensions Type VB Starting from the middle hanger brackets position and weld on the front and rear hanger brackets The front and middle hanger brackets must be braced with adequate
12. have been complied with and if SAF approved spare parts have been fitted Tandem Bogie Suspensions Type IRUDZ 24 000 kg Type IRUDZ 28 000 kg Type IRUDZ 32 000 kg Tandem Bogie Suspensions Type IRUDZ 24 000 kg Item Parts designation 01 2 101 102 103 104 105 106 107 110 111 112 113 114 115 116 117 118 120 121 122 123 125 When ordering spare parts quote correct axle identification serial no refer to the axle type plate Trailer axle Spring seat Walking beam Mounting pedestal kit including items 103 105 123 Pedestal Bracket Bolt kit including items 106 107 Hex bolt Hex nut Pivot housing Grease nipple Washer Seal ring Pivot bronze bush Washer Axle nut Lock plate Cap Hex bolt Spring washer Washer Sleeve Cross member Type IRUDZ 28 000 kg Type IRUDZ 32 000 kg Item Parts designation 126 Repair kit including items 112 115 201 Leaf spring 202 Main leaf 203 Spring tension plate 204 U bolt kit including items 205 206 205 U bolt 206 Hex nut 206 1 Washer 207 Rubber pad 208 Clamping box 209 U bolt kit M20 including items 210 211 210 U bolt M20 211 Hexnut 212 Air bag offset Tandem Bogie Suspensions Type IRUDZ 24 000 kg Type IRUDZ 28 000 kg Type IRUDZ 32 000 kg Use a torque wrench The use of impact wrenches is not acce pted 2
13. is not accepted M24 650 700 Nm M36 1500 Nm M230x3 800 Nm M24 650 700 Nm Ref No IPL_25_020 0 Axles alignment check and adjustment Tandem Bogie Suspensions Type IDZW Tandem semi trailers Distance A B C max permissible deviation 1 0 mm Axle alignment responsablety of vehicle manufacturer Axle toe in out 12 3 0 mm m Axle camber 12 SAF manufacturing tolerance values apply to unloaded vehicle The max permissible deviations for axle alignment are following to the tyre manufacturer s specifications To avoid excessive tyre wear we recommend having the alignment checked at regular intervals The relevant reference point for alignment is the hub cap centre or stub axle centre Alignment deviations may be caused by loose U bolts e spring seat wear e deformation of axle assembly components due to excessive vehicle operation SAF NOTIZEN NOTES NOTE The following tightening torques are only valid if no other values are given in the axle maintenance chart Torque wrenches settings impact wrench not permissible Thread Owar oF es des M8 W A F 13 25 35 41 M8x1 27 38 45 M 10 W A F 17 16 49 69 83 M 10 x 1 52 73 88 M 12 W A F 19 18 86 120 145 M 12x 15 90 125 150 M 14 W A F 22 21 135 190 230 M 14x 1 5 150 210 250 M 16 W A F 24 210 300 355 M 16 x 1 5 225 315 380 M 18 W A F 27 300 405 485 M 18 x 1 5 325
14. multi shifts or in off road constructions sites Warranty claims will only be accepted as long as the operating and maintenance instructions have been complied with and if SAF approved spare parts have been fitted for SAF Axles Types RZ RZT K RZ K RZT K ERZ K ERZT 14242 16242 Hub end float setting Tighten hub nut while at the same time turning the hub until slight resistance is felt Now slacken the hub nut by 1 12 of a turn until the next locking position is reached Secure with split pin Insert hub puller and pull hub back to the outer bearing Hub cap thread with sealing compound and refit hub cap Check whether the hub rotates freely and without excessive end float repeat adjustment if necessary Hub nut tightening through 360 several times paste BRAKE type SNK 420 Brake drum diameter max limit for remachining Brake drum diameter max limit of wear Brake linings approved by SAF After brake relining lubricate camshaft bearings whilst rotating the camshaft Use a vacuum cleaner to remove brake dust Never use pressurised cleaning devices or cleaning fluids on the brake drum and hub Clean stub axle and apply fresh SAF fitting Machine new brake lining surface to brake drum diameter 0 3 mm When relining brakes fit cam side and anchor side lining following the instructions provided with the replacement kit SAF parts no brake lining ke drum brake lining facing stages in mm Lubrica
15. out when the minimum wear limit is reached NOTIZEN NOTES NOTE SAF for SAF Axles Types SK RS RZ RZT 12242 for suspensions refer to separate maintenance chart After first Periodic checks Service schedule PN 5000km evy Te ONES lleage intervals gt 15000 km 90000 km 150000 km whichever comes first every every every month 6 months 12 months Time intervals gt Mechanical check Attention Torque check wheel nuts after the first 50 km and 150 km repeat also after every wheel removal Torque check all nuts and bolts to recommended setting Check and adjust hub end float if required Pack wheel bearings with fresh grease after 300 000 km or 36 months whichever comes first Check condition of taper roller bearings and replace if necessary Lubricate camshaft bearing bushs Lubricate suspension components follow to individual suspension type maintenance instructions Visual inspection for wear damage Check suspension components for wear and damage Check brake linings for wear Check camshafts for free rotation Check slack adjusters for correct function Check air brake system for leaks brake applied Check leaf springs for damage scoring and corrosion Check tyres for uneven wear and axles for correct tracking do readjustment if necessary Safety inspection Check brake lining to drum clearance for correct adjustment readjust clearance if necessary Check service brake and
16. parking brake for performance Check truck trailer combination for compatibiliy of service brake pessure e Check service brake pressure to manufacturer s specification Adjust LSV output pressure if found incorrect setting Check suspension ride height in laden condition if excessive trailer slope is obvious consult trailer manufacturer repeat check of trailer slope after every tractor interchanging Special service conditions Vehicles with long standing periods service at specified time intervals Vehicles used under extreme conditions service at suitably reduced intervals e g Trailer operating in continous multi shifts or in off road constructions sites Warranty claims will only be accepted as long as the operating and maintenance instructions have been complied with and if SAF approved spare parts have been fitted for SAF Axles Types SK RS RZ RZT 12242 Hub end float setting Tighten hub nut 22 to a torque of 150 Nm at the same time rotating the hub and drum Locate the locking collar 23 onto the dowel on the hub nut noting the position of the dowel in relation to the collar Remove the collar and turn the hub nut 2 1 2 holes anti clockwise Reverse the collar and re locate it onto the repositioned hub nut dowel Fit the lock nut 24 and tighten using a torque of 400 Nm Check whether the hub rotates freely and without excessive end float repeat adjustment if necessary Replace O ring 39 and fit the hub
17. 460 550 M 20 W A F 30 410 580 690 M 20 x 1 5 460 640 770 M 22 W A F 32 550 780 930 M22x1 5 610 860 1050 M 24 W A F 36 710 1000 1200 M24x2 780 1100 1300 M 27 W A F 41 1050 1500 1800 M27x2 1150 1600 1950 M 30 W A F 46 1450 2000 2400 M 30 x2 1600 2250 2700 M 36 x2 W A F 55 2450 3450 4150 SAF Vertretungen Agents Concessionnaires Service Stationen Service Stations Points Service Australia HDTE Heavy Duty Transport Equipment Pty Ltd Austria SAF Hering Rad Ges m b H Belarus SAF Representative Office Bulgaria SAF Trade Bulgarien OOD Chile Union Tecnica Automotriz S A C Czech Republic SAF Trade spol s r o Denmark Transport Komponenter A S Egypt Egyptian Co for Trading amp Construction Finland Oy Arne Stara AB France SAF France S A Germany Otto Sauer Achsenfabrik Keilberg KG Great Britain I M S Ltd Hungary L V Technik Kft Iceland Stilling Israel M N Systems Ltd Italy SAF Italia s r l Malaysia Quality Trailer Components Netherland SAF Benelux B V New Zealand Transpecs Ltd Norway MoRek a s Peoples Republic of China Jinan SAF Axle Co Ltd Poland SAF POLSKA Sp z 0 0 Portugal Suspartes Lda Romania S C SAF TRADE RO S R L Russia SAF INTCOM Republic of Slovakia Slovenia Spain SAF Otto Sauer Achsenfabrik Espana S L Sweden Trailax AB Switzerland Willy Erny AG Turkey INTERMOBIL A S Yugoslavia SAF Representative Office Otto Sauer Achsenfabrik Keilberg KG Hauptstr
18. Service manual for SAF Axles Types Service y Walia UP e e A A AA TT Address Body type Chassis no Year of manufacture Registration date in service Spare parts service for SAF axles and suspension systems When ordering spare parts quote correct axle identification serial no refer to the axle type plate Please enter the axle identification figures in the type plates shown below so that correct specifications are available when required Type plate for axle identification SA OTTO SAUER ACHSENFABRIK KEILBERG SSR aE D 63854 BESSENBACH GERMANY Ident No Prod No L zul Last kg IF v max km h perm cap ISTAT TECH max speed charge adm 2 vitesse maxi T09 A u Contents SAF This manual is intended for the technical workshop personnel responsible for maintenance and repair Page SAF axle dent fCat kf DR T 2 General safetyinstructons sira a a Atri estilo sei 5 Wo sco C 7 20 37 44 49 54 60 M intenanceiinstructi ns x traia sistemi cece ds o bos Oe Ss 8 9 Spare part illustrations list of spare parts 0 0 cette 10 11 Maintenance instructions x e tec ata Seas one ern Sees Gu ard e eeu le Sera a Sree 12 13 Spare part illustrations list of spare parts 0 0 ects 14 15 Brake checking and adjustment oococccococ res 16 Bra
19. actor interchanging Special service conditions Vehicles with long standing periods service at specified time intervals Vehicles used under extreme conditions service at suitably reduced intervals e g Trailer operating in continous multi shifts or in off road constructions sites Warranty claims will only be accepted as long as the operating and maintenance instructions have been complied with and if SAF approved spare parts have been fitted Leaf Spring Suspensions Type VB 9 000 kg 30 000 kg ML Bronze bushing rocker shaft Tri axle suspension Assembly of Tri axle suspension are basically the same components as for the tandem suspension Repeat check maintenance instructions by similar procedure for the Tri axle suspension components E o Ps m x m m E ROS Qs EN R 4 cb 2 de o N a a Ms ay y ai 2 Ref No IPL 08 060 0 Leaf Spring Suspensions Type VB 9 000 kg 30 000 kg ML Item Parts designation 101 Hanger bracket kit front including items 103 105 111 102 Hanger bracket kit rear including items 104 105 111 103 Front hanger bracket 104 Rear hanger bracket 105 Slide link 106 Slide link 107 Distance sleeve 108 Hex bolt 109 Lock nut 110 Hex bolt 111 Lock nut 112 Hanger bracket 113 Rocker arm kit including items 107 109 114 118 114 Rocker arm 116 Slide link 117 Hex bolt 117 1 Washer 117 2 Lock nut 118 Rocker shaft kit including items 119 123 1 119 Rocker s
20. are parts quote correct axle identification serial no refer to the axle type plate Leaf Spring Suspensions Type VB 9 000 kg 30 000 kg HD Bronze bushing rocker shaft Use a torque wrench The use of impact wrenches is not accepted Tri axle suspension Assembly of Tri axle suspension are basically the same components as for the tandem suspension Repeat check maintenance instructions by similar procedure for the Tri axle suspension components E E Uh S Alsi y S N NEARE No 8 E SIE S E 2 S 8 g vo e Y 3 8 z s NES gt i S x wo x 2 m El 35 OE A un o Siz E 5 z E S JS 5 S E E E S 2 Zlo o wo NIIN jo N o Oj A wo S e 2 8 I gt mil zm Ll im st 1S Z E x S J x alls z 3 clit x Zll zm o x E z E e zZ o st aN Je ES E wo Z ol 2 amp m N o 2 Y o z g x K st N 2 M14 105 Nm E z e e ki o m z x E z e e Y E hs m e g x z 4 o A yl x SA a S gt TC SS N 2 2 Ref No IPL 25 002 0 Leaf Spring Suspensions Type VB 12 000 kg 48 000 kg for axles refer to separate maintenance chart i Aft
21. art i After first Periodic checks Service schedule A 5000 km every every lleage intervals gt or 15000 km 90000 km 150000 km whichever comes first Aerial very RUE month month 6 months 12 months Mechanical check Torque check all nuts and bolts to recommended setting Follow exploded view items Visual inspection for wear damage Check suspension components for wear and damage Safety inspection Check suspension ride height in laden condition if excessive trailer slope is obvious consult trailer manufacturer Repeat check also after every tractor interchanging Special service conditions Vehicles with long standing periods service at specified time intervals Vehicles used under extreme conditions service at suitably reduced intervals e g Trailer operating in continous multi shifts or in off road constructions sites Warranty claims will only be accepted as long as the operating and maintenance instructions have been complied with and if SAF approved spare parts have been fitted Leaf Spring Suspensions Type VB 9 000 kg 30 000 kg GL Rubber bushing rocker shaft Tri axle suspension Assembly of Tri axle suspension are basically the same components as for the tandem suspension Repeat check maintenance instructions by similar procedure for the Tri axle suspension components 28 m Re a zB m S E ROS Qs f m E B 5 8 S gt Z N a 138 Pa O adjustable torque
22. ations list of spare parts ooococcococcccc n 50 51 Torque setting ua van exo Anden ones a OR a RERO ERROR eee CRAS e RC RUE Ux ee SL ee AR UR 52 Axles alignment check and adjustment Tandem Bogie Suspensions Type IRUDZ IRUDZW sssssssse e nennen 53 Maintenance Instructions zu db re RUE enh eee e pee UR ROS RR TNR Rd 55 Spare part illustrations list of spare parts oococcccccoco tenes 56 57 Torque setting erie i a een nennen 58 Axles alignment check and adjustment Tandem Bogie Suspensions Type IDZW 2 mh 59 Bolt Nut torque Valles can ceca RR ERA EX RE a IER eee NE RE hoe ad a 61 The item numbers indicated are given only for identification and to distinguish between different versions Use the part numbers from the valid spare parts documents for identification of spare parts SAF axles and suspension units are subject to continuous further development the data and drawings contained in the manual may therefore vary in details The contents of the manual does not constitute the basis for a legal claim Reprinting reproduction or translation in whole or in part is not permitted The issue of this publication invalidates all earlier maintenance and repair manuals Please observe the following safety instructions in order to maintain the operational and road safety of your SAF axles and suspension systems 1 10 The wheel contact surfaces between the wheel disc and wheel hub and the wheel nu
23. b nut spanner Hub puller Universal hub puller Wheel bearing and seal inserter Brake shoe clamping device SAF parts no 2 012 0023 01 3 301 0010 00 4 434 3822 00 3 434 3308 00 3 349 1001 00 Exploded view of SAF Axles Types SK RS RZ RZT 12242 Torque wrench settings Use a torque wrench Wheel nuts The use of impact wrenches Spigot hub centred fixing TRILEX Spoked wheels fixing is not accepted M 22 x 1 5 600 Nm Tyre 20 424 Bolt centred fixing M 20 350 Nm M 22 x 2 430 Nm M 22 x 1 5 430 Nm Production number RH side driving direction SK RS RZ RZT 12242 Item Parts designation 01 Axle beam assembly including items 3 25 3 Mounting plate 5 Anchor ball 06 Camshaft bearing kit including items 6 6 1 6 2 6 Cam bearing unit Anchor bracket 6 1 Bolt 6 2 Lock nut 010 Camshaft bearing kit including items 11 15 18 11 Cam bearing unit 15 Bolt 18 Rubber dust cover 18 3 Lining wear indicator 22 Axle nut 23 Lock plate 24 Axle nut 25 Brake chamber support 27 Hub assembly including items 35 38 2 29 Brake drum 30 Wheel bolt kit including items 31 34 31 Wheel bolt 34 Wheel nut 35 Tapper roller bearing 36 Tapper roller bearing 37 Unitised seal 38 Seal plate inner 38 1 Spacer plate 38 2 Seal plate outer 39 O ring 40 Hub cap kit including items 39 41 41 Protection plug 059 Brake components 64 Brake shoe assembly with linings including items 65 71 73
24. cap Hub nut tightening After brake relining lubricate camshaft bearings whilst rotating the camshaft through 360 several times Do not disassemble the hub bearing assembly Use a vacuum cleaner to remove brake dust Never use pressurised cleaning devices or cleaning fluids on the brake drum and hub Clean stub axle and apply fresh SAF fitting paste BRAKE type SNK 420 Brake drum diameter max limit for remachining Brake drum diameter max limit of wear Brake linings approved by SAF Machine new brake lining surface to brake drum diameter 0 3 mm Lubricant specification Wheel bearings SAF parts no 4 387 0011 05 Camshaft SAF parts no 4 387 0011 05 Stub axle SAF parts no 4 387 0015 06 SAF fitting paste Brake anchor bracket ball SAF parts no 4 387 0007 00 Copper paste Never mix different types or grades of grease d 1st oversize 422 0 d nominal size 420 0 2nd oversize 424 0 424 0 mm 425 0 mm BERAL 1541 BREMSKERL 6386 When relining brakes fit cam side and anchor side lining following the instructions provided with the replacement kit SAF parts no brake lining rivet kit ke drum brake lining facing stages in mm Brake linings Rivets DIN 7338 1st oversize 2nd oversize number per axle rivet SNK 420 d 422 0 d 424 0 x 180 3 057 0060 00 21 6 22 6 22 0 x 200 3 057 0066 00 21 6 22 6 22 0 Assembly tools Hu
25. components In this case corrections are required on the trailer suspension spring seats height or on the tractor laden fith wheel height Therefore it is imperative to consult the trailer manufacturer when in laden condition excessive trailer slope is obvious Repeat check trailer slope always after every tractor interchanging Tandem Bogies SAF NOTIZEN NOTES NOTE Tandem Bogie Suspensions Type IRUDZ for axles refer to separate maintenance chart i After first Periodic checks Service schedule V 5000 km every T every even lleage intervals gt or 15000 km 90000 km 150000 km whichever comes first ma After first every every every Mechanical check Torque check all nuts and bolts to recommended setting Follow exploded view items Lubricate walking beam pivot bushs Visual inspection for wear damage Check suspension components for wear and damage Safety inspection Check suspension ride height in laden condition if excessive trailer slope is obvious consult trailer manufacturer Repeat check also after every tractor interchanging Special service conditions Vehicles with long standing periods service at specified time intervals Vehicles used under extreme conditions service at suitably reduced intervals e g Trailer operating in continous multi shifts or in off road constructions sites Warranty claims will only be accepted as long as the operating and maintenance instructions
26. d vehicle The max permissible deviations for axle alignment are following to the tyre manufacturer s specifications To avoid excessive tyre wear we recommend having the alignment checked at regular intervals The relevant reference point for alignment check is the hub cap centre or stub axle centre Alignment deviations may be caused by loose U bolts spring seat wear deformation of axle assembly components due to excessive vehicle operation Suspension installation trailer slope Angle of slope excessive rocker arm tilt corrected not acceptable in the laden condition higher spring seat package Ref No IPL 55 0500 0 All installations must be in accordance with the SAF instructions Trailer slope Particular attention must be paid to the trailer platform slope in laden condition In the laden condition the rocker arms should be always in the horizontal working level to provide free articulation into the full front rear equalizer working range When trailer operating with an excessive rocker arm tilt the suspension will not properly compensate various axle loads especially not under uneven road conditions This excessive tilt will have limited equalizer mouvements causing the rocker arms to strike the chassis fram with result of critical effect of exceeding the 2 and 3 axle capacities and subsequent damage of the suspension
27. eaf Spring Suspensions Type VB subjected to particularly high loads stops should be placed under the longitudinal members in the area of the equalizers to relieve the load on the welding seams of equalizers and hanger brackets These should serve as limit stops for the equalizers during equalizing movements All welding seams must be adequately dimensioned Weld run end craters are not accepted For axle alignment follow to axle alignment instructions Important Information Retaining mounts for torque arm clamping bolt of Leaf Spring Suspension unit VB 12 000 48 000 kg Ident No 1 345 3002 00 l Axles alignment check and adjustment Leaf Spring Suspensions Types VB Tri axle semi trailers Distance A B C max permissible deviation 1 0 mm Axle alignment responsablety of vehicle manufacturer Axle toe in out 12 3 0 mm m Axle camber 12 SAF manufacturing tolerance values apply to unloaded vehicle iate s Tandem axle semi trailer Distance A B C max permissible deviation 1 0 mm Axle alignment responsablety of vehicle manufacturer Axle toe in out 12 3 0 mm m Axle camber 12 SAF manufacturing tolerance values apply to unloade
28. eck and adjust hub end float if required le e Pack hub bearings with fresh grease also after every brake lining e replacement check hub bearing wear Lubricate camshaft bearing bushs e e Lubricate suspension components follow to individual suspension type maintenance instructions Visual inspection for wear damage Check suspension components for wear and damage Check brake linings for wear Check camshafts for free rotation Check slack adjusters for correct function Check air brake system for leaks brake applied Check leaf springs for damage scoring and corrosion Check tyres for uneven wear and axles for correct tracking do readjustment if necessary Safety inspection Check brake lining to drum clearance for correct adjustment readjust clearance if necessary Check service brake and parking brake for performance Check truck trailer combination for compatibiliy of service brake pessure e Check service brake pressure to manufacturer s specification Adjust LSV output pressure if found incorrect setting Check suspension ride height in laden condition if excessive trailer slope is obvious consult trailer manufacturer repeat check of trailer slope after every tractor interchanging Special service conditions Vehicles with long standing periods service at specified time intervals Vehicles used under extreme conditions service at suitably reduced intervals e g Trailer operating in continous
29. er first Periodic checks Service schedule V 5000 km every every lleage intervals gt or 15000 km 90000 km 150000 km whichever comes first mae After first every every Time intervals h month 6 months 12 months Mechanical check Torque check all nuts and bolts to recommended setting Follow exploded view items Lubricate rocker arm shaft bushs Visual inspection for wear damage Check suspension components for wear and damage Safety inspection Check suspension ride height in laden condition if excessive trailer slope is obvious consult trailer manufacturer Repeat check also after every tractor interchanging Special service conditions Vehicles with long standing periods service at specified time intervals Vehicles used under extreme conditions service at suitably reduced intervals e g Trailer operating in continous multi shifts or in off road constructions sites Warranty claims will only be accepted as long as the operating and maintenance instructions have been complied with and if SAF approved spare parts have been fitted Leaf Spring Suspensions Type VB 12 000 kg 48 000 kg Bronze bushing rocker shaft Tri axle suspension Assembly of Tri axle suspension are basically the same components as for the tandem suspension Repeat check maintenance instructions by similar procedure for the Tri axle suspension components 126 126 1 E IN 124 124 1 adjustable torque arm kit
30. haft 120 Rubber bush 120 1 Washer 120 2 Bronze bush 121 Washer 122 Castle nut 123 Split pin 123 1 Grease nipple Item 125 126 127 128 128 1 129 130 131 133 135 136 137 138 201 203 205 207 Parts designation Torque arm adjustable kit including items 127 128 131 133 1 134 Torque arm rigid Adjuster 210 mm Torque arm end LH Threat including items 128 1 130 131 Grease nipple Torque arm end RH Threat including items 128 1 130 131 Hex bolt Lock nut Rubber bush Bolt Washer Castle nut Split pin Leaf spring Clamping plate U bolt Hex nut When ordering spare parts quote correct axle identification serial no refer to the axle type plate Leaf Spring Suspensions Type VB 9 000 kg 30 000 kg ML Bronze bushing rocker shaft Use a torque wrench The use of impact wrenches is not accepted Tri axle suspension Assembly of Tri axle suspension are basically the same components as for the tandem suspension Repeat check maintenance instructions by similar procedure for the Tri axle suspension components E E gt jo 2 a un un E m lt S E oO o gt A S 3 2 a o x y E z e z 2 2 in ee m O N 2 o E N z NN La E ig E 5 La a e lt y E z E x S wo N
31. k adjuster on the camshaft The arrow 7 points in the braking direction Turn adjusting screw 1 until the bore in the slack adjuster 8 1 coincides with the bore in the clevis end 9 see drawing Grease split pin 8 and secure Install return spring 10 Move the control arm 2 in the direction of the arrow operating direction of slack adjuster up to its end position A without applying excessive force When control arm 2 is in its end position A tighten the fixing bolts 4 For the anchor bracket mounting 11 ensure that the 2 U profiles engage firmly together Fit slack adjuster retaining clip on camshaft Axial clearance Adjust 0 5 2 mm using shims Adjust running clearance between brake lining and drum by turning adjusting screw 1 in clockwise direction until the lining fits smoothly against the drum Then back off adjusting screw 1 by 3 4 turn Do not use impact wrenches FUNCTION CHECK If the self adjuster is functioning correctly then a minimum torque of 18 Nm must be felt and a grating noise must be heard when adjusting screw 1 is backed off Operate the footbrake several times Check whether the brake drum rotates freely check the lining clearance and repeat adjustment procedure if necessary Leaf Spring Suspensions SAF NOTIZEN NOTES NOTE Leaf Spring Suspensions Type VB 9 000 kg 30 000 kg GL for axles refer to separate maintenance ch
32. ke automatic slack adjuster 00 00 ccc rrr 17 18 Maintenance instr ctilohs cripte restene aang i peng a He uber 21 Spare part illustrations list of spare parts 0 0 n 22 23 Torque setting acess ise Rh aen Eid eese Make RN E Ru EE RR UU BEA A Sie eR ae a RS 24 Maintenance instr ctions eoo eee eR Sedan aac eS a an We erates Seer a a dete wee A 25 Spare part illustrations list of spare parts 2 2 2 2 0 cece 26 27 Torque setting secre ria ems x ne RU we Verda ane Medea PORTE Aner UR we aoe a 28 Maintenance instructions cei Re cora ee bee eee wd Seabees wea ee deed eteG ee 29 Spare part illustrations list of spare parts 0 0 0 cette eens 30 31 TOFQUE SEUNG ss 2 445 2 20 e EA Seer Lae ote whee or ee eee 32 Maintenance instructions cer we eu ie Seed eee ew a a RA Pes ee wl ate BM ees 33 Spare part illustrations list of spare parts 2 0 0 0 cc ee eee een een een 34 35 TOFGQUE setting u a wasser A a aon dw dip E a RRO Sale ee Ree aa Re dE LR Ro od 36 Installation Instructions for Leaf Spring Suspensions Type VB 0000 cece eee 38 39 Important Information sod comadres Din bebe ere deed 40 Axle alignment check and adjustment 0 ccc eee rrr 41 Suspension installation trailer slope 2 2 ee RR e tenes 42 SAF Contents Maintenance instructions 0 0c hh 45 Spare part illustrations list of spare parts oococcccccoco eee 46 47 TOrQUESSELLING M PEDEM PEE 48 Spare part illustr
33. le suspension are basically the same components as for the tandem suspension Repeat check maintenance instructions by similar procedure for the Tri axle suspension components 5 E gt lo zZ a un 8 5 lo 9 19 t a gt z E o 5 2 E z S 2 o o E 3 E z o 2 m m E a 2 2 0 N mn 00 0 o gt Oy wi La E o zZ AS st z El un N m q 7 E zZ Ln E 2 z 2 3 E LS N z 2 E f E 2 m oo Oz 2 co E t zZ j 2 m A 2 gt 0 e M14 105 Nm Ref No IPL 25 050 0 Leaf Spring Suspensions Type VB 9 000 kg 30 000 kg ML for axles refer to separate maintenance chart i After first Periodic checks Service schedule ns 5000 km every every lleage intervals gt or 15000 km 90000 km 150000 km whichever comes first mae After first every every Time intervals h month 6 months 12 months Mechanical check Torque check all nuts and bolts to recommended setting Follow exploded view items Lubricate rocker arm shaft bushs Visual inspection for wear damage Check suspension components for wear and damage Safety inspection Check suspension ride height in laden condition if excessive trailer slope is obvious consult trailer manufacturer Repeat check also after every tr
34. ler slope is obvious consult trailer manufacturer Repeat check also after every tractor interchanging Special service conditions Vehicles with long standing periods service at specified time intervals Vehicles used under extreme conditions service at suitably reduced intervals e g Trailer operating in continous multi shifts or in off road constructions sites Warranty claims will only be accepted as long as the operating and maintenance instructions have been complied with and if SAF approved spare parts have been fitted Type IDZW 28 000 kg Type IDZW 32 000 kg Tandem Bogie Suspensions Type IDZW 24 000 kg 101 1 Ref No IPL 07 020 0 Tandem Bogie Suspensions Type IDZW Item 01 2 100 100 1 101 102 103 104 105 106 107 108 109 110 When ordering spare parts quote correct axle identification serial no refer to the axle type plate Parts designation Trailer axle Spring seat Mounting pedestal beam kit Pedestal Walking beam Seal ring Thrust washer Pivot housing Grease nipple Pivot bronze bush Axle nut Looking ring Bolt Cap Item 201 203 205 206 207 208 209 210 212 213 Parts designation Leaf spring Clamping plate U bolt Hex nut Rubber pad Clamping box Grease nipple Slider U bolt Hex nut DO x x eoo eoo 2 CON NM NN aa Qo SS FF Tandem Bogie Suspensions Type IDZW 24 000 kg Use a torque wrench The use of impact wrenches
35. ly dimensioned cross reinforcement gussets so that the transverse forces can be transmitted from the axle via the hanger brackets into the chassis In order to be able to fit expedient cross reinforcement gussets these hanger brackets should have through holes suitable for taking a tube with a diameter of 60 3 mm or 63 5 mm depending on the Leaf Spring Suspensions Type VB model The wall thickness of this tube must be selected to suit the load whereby a maximum of 10 mm is sufficient These tubes must be welded to the hanger brackets They must be braced diagonally to the body in order to transmit the lateral forces into the chassis Tubes can again be used for this diagonal bracing alternatively gusset plates can be used The rear hanger brackets must be braced to the chassis with gusset plates The vehicle chassis must be designed in such a way that the forces transmitted from the Leaf Spring Suspensions Type VB can also be passed into the longitudinal members and distributed It is expedient to provide a cross member in the chassis above each hanger brackets The cross member should be welded to the diagonal brace or the gusset plates In case of narrow longitudinal members intermediate plates should be welded between the hanger brackets and the lower flanges of the longitudinal members On the outside the upper and lower flanges of the longitudinal members should be joined with ribs or pockets to brevent relative movements In case of L
36. ly the same components as for the tandem suspension Repeat check maintenance instructions by similar procedure for the Tri axle suspension components 133 1 126 126 1 o haw PO 124 124 1 137 adjustable torque arm kit 125 125 1 123 1 rocker shaft kit Ref No IPL 08 075 0 Leaf Spring Suspensions Type VB 9 000 kg 30 000 kg HD Item Parts designation 101 Hanger bracket kit RH front including items 103 105 111 101 1 Hanger bracket kit LH front including items 103 1 105 111 102 Hanger bracket kit rear including items 104 105 111 103 Front hanger bracket RH 103 1 Front hanger bracket LH 104 Rear hanger bracket 105 Slider 106 Slide link 107 Distance sleeve 107 1 Distance sleeve 108 Hex bolt 109 Lock nut 110 Hex bolt 110 1 Hex bolt 111 Lock nut 112 Hanger bracket RH 112 1 Hanger bracket LH 114 Rocker arm 116 Slide link 118 Rocker shaft kit including items 119 123 1 119 Rocker shaft 120 Bronze bush 120 1 Washer 121 Washer 122 Lock nut 123 1 Grease nipple Item 124 125 126 127 128 129 130 131 133 135 135 1 135 2 137 201 203 205 207 Parts designation Torque arm rigid kit Torque arm adjustable kit Torque arm Adjuster Torque arm end LH Threat Torque arm end RH Threat Hex bolt Lock nut Rubber bush Hex bolt Hex bolt Hex bolt Lock nut Leaf spring Clamping plate U bolt Hex nut When ordering sp
37. nt specification Wheel bearings SAF parts no 4 387 0011 05 Camshaft SAF parts no 4 387 0011 05 Stub axle SAF parts no 4 387 0015 06 SAF fitting paste Brake anchor bracket ball SAF parts no 4 387 0007 00 Copper paste Never mix different types or grades of grease d 1st oversize 422 0 d nominal size 2nd oversize 420 0 424 0 mm 425 0 mm BERAL 1541 BREMSKERL 6386 Brake linings Rivets DIN 7338 rivet kit 1st oversize 2nd oversize number per axle rivet SNK 420 d 422 0 d 424 0 x 180 3 057 0060 00 22 6 22 0 x 200 3 057 0066 00 Assembly tools Axle types Hub nut spanner and cap spanner Hub puller Universal hub puller Bearing inner race inserter Wheel bearing and seal inserter Brake shoe clamping device Camshaft bushing tool Camshaft bushing tool 22 6 22 0 SAF parts no 14242 1 012 0013 00 3 301 0006 02 4 434 3822 00 4 434 3815 00 3 434 3300 00 3 349 1001 00 1 434 1056 00 1 434 1055 00 16242 B 1 012 0013 00 B 3 301 0007 01 4 434 3822 00 4 434 3816 00 3 434 3301 00 3 349 1001 00 1 434 1056 00 1 434 1055 00 Exploded view of SAF Axles Types RZ RZT K RZ K RZT K ERZ K ERZT 14242 16242 Torque wrench settings Use a torque wrench Wheel nuts The use of impact wrenches Spigot hub centred fixing TRILEX Spoked wheels fixing is not accepted M 22 x 1 5 600 Nm Tyre 20 424 Bolt centred fixing M 20 350
38. pare parts A close knit service network of SAF partner companies is available for the technical support of the SAF axles and suspension systems and for the supply of original SAF spare parts see rear cover or on the Internet under www saf axles com Updates will be published as necessary on the Internet under www saf axles com e Caution After every wheel change always retighten the wheel nuts to the prescribed torque after 50 km and again after 150 km e Check the brake lining thickness at regular intervals e Carry out general visual inspections of the brakes tyres and all suspension components at regular intervals and check for proper attachment wear leaks corrosion and damage e Carry out regular visual inspections of the wheel bearing unit for grease leaks and axial clearance Wheel bearing grease change see pages 9 and 13 e Regularly check the camshaft for smooth return and the slack adjuster for proper function e Lubricate the camshaft at regular intervals e Inspect the brake drum for wear and cracking at every brake lining change Minimum wear limits see pages 9 and 13 e Replace the brake shoe return springs at every brake lining change e On all units check that the bolts of the U brackets are tightened to the prescribed torques e Carry out a general safety check in accordance with the statutory provisions e We recommend the use of original SAF spare parts We recommend that a general safety check is carried
39. result in a hazardous deterioration in the braking efficiency With disc brakes overheating can result in damage to surrounding components in particular the wheel bearings This can result in a significant deterioration in road safety e g failure of wheel bearings The parking brake must not be immediately applied when the brakes are hot as the brake discs and brake drums may be damaged by different stress fields during cooling Use the supports provided when loading and unloading in order to avoid damage to the axle Observe the operating recommendation of the trailer builder for off road operation of the installed axles and suspension systems The SAF definition of OFF ROAD means driving on non asphalted non concreted routes such as e g gravel roads agricultural and forestry tracks on construction sites and in gravel pits Off road operation of SAF axles and suspension systems not designed for the purpose may result in damage and hence to an impairment of road safety SAF axles and suspension systems require continuous care service and maintenance in order to maintain operational and road safety and to be able to recognise natural wear and defects in good time The daily inspection of the trailer for road safety before starting the journey is one of the driver s obligations SAF recommends that at least the inspections and maintenance operations described on page 6 should be carried out We recommend the use of original SAF s
40. sion Assembly of Tri axle suspension are basically the same components as for the tandem suspension Repeat check maintenance instructions by similar procedure for the Tri axle suspension components E z 2 S m o A SEE S E ale s m z 18e x o e re V 3 S xz 2I c x 2 m f Ele O Allo Silo oj z 3 x z E 5 z E z 2 zig ms o E elm S S Zllo l nlia joe a a ols 19 S wo gt el m lr Ld x 2 E x A S zz x n S o 8 Sjt x 3 pu uw zm z QUES x E e S o CN amp ea IE wo v Zllo z 3 O n N S LY 2 e x S t st S e amp z gt M14 105 Nm Y EY e x M36 1400 Nm x M36 1400 Nm x M36 1400 Nm M20 320 Nm M14 105 Nm Ref No IPL 25 001 0 NOTIZEN NOTES NOTE SAF Installation Instructions for Leaf Spring Suspensions Type VB Leaf Spring Suspensions Type VB are suspension assemblies which are balanced mechanically using rocker arm equalizers They are equipped with parabolic springs or multiple leaf springs Leaf Spring Suspensions Type VB are used for both single axle suspension and for Tandem axle and Tri axle suspension In view of the mechanical
41. t contact surface at the wheel disc must not be additionally painted The contact surfaces must be clean smooth and free from grease Failure to observe this may result in the wheel coming loose Any additional instructions of the wheel manufacturer must also be observed Only the wheel and tyre sizes approved by the trailer builder may be used The tyres must always have the specified inflation pressure The brake systems of the tractor and the trailer semi trailer must be synchronised by means of a tractor trailer brake synchronisation not later than 5 000 km after the initial start of operation of the trailer semi trailer in order to ensure a safe and uniform braking behaviour and uniform brake pad wear Tractor trailer brake synchronisations should be carried out by appropriately qualified and equipped brake workshops The use of an additional braking system such as a trailer anti jackknife brake is forbidden by law on vehicles with type approval after January 1999 Before starting a journey ensure that the maximum permissible axle load is not exceeded and that the load is distributed equally and uniformly On trailers with air suspension ensure that the air bags are completely filled with air before starting the journey Incompletely filled air bags may result in damage to axles suspension frame and superstructure and impair road safety Ensure that the brakes are not overheated by continuous operation With drum brakes overheating can

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