MD.0.157 GB - MAXILIFT and COBRA Truck Cranes. North Eastern
Contents
1. Additional stabilizer AR C am TF aC 4 l CNET EC l 2 2 Main crane stabilizer 3 1 3 j ad T E CNN d 2 2 1 F ee 7 T i HXH 3 D py 150 bar L 1 Control valve bank 2 Lock valve 3 Crane stabilizer cylinder 4 Supplementary stabilizer cylinder Pict 22 ES Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers 12 5 Hydraulic scheme for manual extendable stabilizers c w one valve bank function and 5 ways 4 pos diverter Alternative manually operated lock valve Additional stabilizer en gee h a c ue stabilizer NO NO 1 Control valve bank 2 Lock valve 3 Crane stabilizer cylinder 4 Diverter 5 Supplementary stabilizer cylinder Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy Tel 39 0522 96 30 08 Fax2. ia Ste E Ra E ee 27 16 STORAGE AND HANDLING INSTRUCTIONS eee eene 28 CAUTIONS TO OBSERWVE teo dixe Deo Co DEDE NER eR 28 TABLE OF WEIGHTS WO PACKING iniia tense 29 17 FINISHING AND PAINTING MAXISTAB 2 5 30 Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 info maxiliftcrane com MAXISTAB Use and maintenance manual 18 STABILIZERS USER MANUAL saqewan E IER uer ARTAR aska EAEE 31 18 1 Lateral extensions locking systems uuu eea NE A IRR 31 18 1 1 Manually operated lateral 31 18 1 2 operated lateral 31 18 2 eror cubile 32 16 2211 General atentonS 2 vat rte 32 18 2 2 StabiliZer HE n E ok cede pts ates ese 33 18 2 3 Manually tilting hydraulic stabilizer u u u uu uu u uU rennen ntn ndn
3. Conformity Declaration decal kit as described in Section 15 On the receipt always make sure that all of the above material has arrived and that the stabilizer and its more exposed parts piping valves hookings etc did not get damaged in transport In case of doubts about some parts efficiency and functionality remove them and agree with Next Hydraulics on their replacement Storage must be carried out in a covered and dry place especially if you do not expect to use the product for quite a long time Anyway bear in mind that after long storage periods 12 months or more depending also on the environmental conditions some anomalies could occur when putting into service for the first time due to the sticking of the seals of rods valves cursors etc for long inactivity CAUTIONS TO OBSERVE As a simple and not exhaustive example we hereby report some basic precautions regarding the installation operations 1 locate and delimit the area appointed for mounting keeping it clear from the transit of other machines equipments personnel 2 avoid any welding operation or free flames in narrow or not adequately aired places or close to inflammables 3 be careful when entering or slipping some parts of the body in narrow spaces 4 pay attention to dangers and risks coming from parts in motion toxicants or corroding substances for instance batteries acids and fluids under pressure 5 always use clothes conform to the
4. 13 N info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers 7 4 Periodical checking Weekly Carry out a visual checking making sure that the cylinders did not move upwards or that with cylinders in transport position there is no clearance between the locking collar and the sleeve in case one of the above situations occurs have screw tightening checked by an authorized workshop Yearly Have screw tightening checked by an authorized workshop if necessary restore it tightening by torque wrench according to what shown in Tab 1 Each operation beyond what described has always to be approved by Next Hydraulics Technical Department whom you have to apply to for any clarification and further information required 8 ASSEMBLING AND DISASSEMBLING OUTRIGGER CYLINDERS SERIES 4 STANDARD OR P VERSION WITH SYSTEM BY STOP RING Assembly see Pict 16 17 STEPS 1 Take the new stop round bar 1 and bend it slightly close to the hooking notch drawing 2 Grease by a brush the cylinder sleeve and the jp Bend slightly cylinder liner in the area where it slips into the Greaca sleeve 1 ASSEMBLY 3 5 the cylinder into the seat until the groove and the hooking hole coincide with the slit in the front of the cylinder sleeve 4 Hook the stop rou
5. Pict 28 Place the plate 1 on the centreline of the main beam on the vertical wall Then fix it with two small welds through holes 3 Following the contour of the plate 1 apply a silicone bead to avoid penetration between and subsequent formation of rust Drill the wiring box 2 with three 219 holes 4 as shown in 29 Fix the wiring box 2 on the plate using the two screws 5 through holes 6 Fit the holes 4 with relevant wire clamps 7 and secure them with relevant counternuts 8 Mount on each side of the beam the two microswitches 11 fixing along with their spacer 13 on the locking latches 12 by means of bolts 9 10 securing with soft loctite on their threads Drive the free end of the microswitches wires 14 into the box through the wire clamps 7 Connect wires on the bus bar 15 following to the wirings shown in pict 28 Apply the self adhesive clips 16 on the beam Secure the wires 14 to the adhesive clips 16 using cable ties 17 Tighten the caps 18 on every wire clamp 7 Close the box 2 with its cover 19 tightening the screws 20 Pict 29 FINAL CHECKINGS With the truck ignition key turned ON The red lamp in the drivers cab must be switched OFF when both lateral extensions are locked The red lamp must be light ON if one or both the lateral extensions are not locked Via Mediterraneo 6 42022 Boretto Reggio Emili
6. INSTALLATION INSTRUCTIONS USE AND MAINTENANCE MANUAL MD 0 157 GB J 1 10 08 Code Rev Edition Boretto Reggio Emilia Italy MAXISTAB Installation instructions for supplementary outriggers INDEX FOREWORD ond ch aan a o i 1 ab basa au iaa ai ade a a ea adada adi 2 2 1 MAIN COMPONENTS AND TERMINOLOGY sse og 2 CYLINDERS FIXING SYSTEMS rrr arre e rtr E unes dE 3 CHOOSING THE STABILIZER rrt etant acces rri rune treni 5 4 CALCULATION OF THE MAXIMUM FORCE ALLOWED ON THE STABILIZER 6 TABLE OF MAXIMUM FORCE RATES ALLOWED ON THE DIFFERENT MAXISTAB STABILIZERS NE 5 SUPPLEMENTARY OUTRIGGERS INSTALLATION 8 6 CHOOSING THE VERSION u u uu unun ua aen do ska eb aq ai Eii 9 INSTALLATION ON THE CHASSIS INSTALLATION UNDER THE CHASSIS 7 FIXING SYSTEM BY CLAMP COLLAR FOR SERIES 0 1 2 3 11 7 1 SUPPLY EE 11 7 2 FIXING glitter aa 11 7 3 Warnings and danger eee
7. Lock assembly for rods 2 CYLINDERS FIXING SYSTEMS Fixing system by clamp collar Series 0 ML see Pict 2 1 Clamp oollar 2 Tightening nut 3 Hook 4 Fastening screw 5 Cylinder sleeve Fixing system by clamp collar Series 1 2 3 see Pict 3 1 Clamp collar 2 Tightening nut 3 Hook 4 Screw eye 5 Locknut 6 Cylinder sleeve Pict 3 Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers Fixing system by stop ring Series 4 see Pict 4 1 Stop ring stop round bar 2 Cylinder sleeve 3 Slit 4 Cylinder groove 5 Hooking hole 6 Security dowel Pict 4 Fixing system by spacer Series 5 6 7 8 see Pict 5 1 Spacer 2 Plate 3 Ringnut 4 Security dowel 5 Cylinder sleeve Pict 5 Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers CHOOSING THE STABILIZER The MAXISTAB range of stabilizers is additional for cranes which already have their own stabilizers when the stability of the vehicle is not sufficient In
8. or opt for the stabilizer with the immediately higher capacity cm V C 2 S L2 Rmax daN M Where M max daNcm Max dynamic crane moment C cm spread of additional stabilizer L cm Longitudinal distance between column axle and additional stabilizer Pict 7 Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy 26 Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers TABLE OF MAXIMUM FORCE RATES ALLOWED ON THE DIFFERENT MAXISTAB STABILIZERS R allowed R allowed daN Lbs daN Lbs 3 EHA 4 EHA 5 EHA 5 ELHA 5 EXHA 5 EXPHA 6 EXHA 6 EXPHA 7 EXPHA 8 EXPHA AN ATTENTION Please remember that the rates mentioned in this table concern the structural resistance of the stabilizer and do not consider the consistency of the ground on which the vehicle has to work Especially for those stabilizers whose max allowed force is very high we suggest always to foresee during the installation a housing where to store two outrigger pads for weight distribution with proper surface and resistance as well as to prescribe their use to the customer in the Technical Booklet Via Medit
9. 12 3 Prescriptions for MAXISTAB hydraulic 18 12 31 Double online relief valve cuui rire aaa ete sena EX eS ERR Nue end eae 9 12 4 Hydraulic scheme for manual extendable stabilizers c w valve bank function T connection between crane and additional 2 20 12 5 Hydraulic scheme for manual extendable stabilizers c w one valve bank function and 5 ways A pos diverter eere deed etie tare e der e Ane ERR EX Ped xui 21 12 6 Hydraulic scheme for hydraulic extendable stabilizers c w one valve bank function and two 5 ways 4 pos diVerters u iie et buss FEE Rea 22 12 7 Hydraulic scheme for hydraulic extendable stabilizers c w two independent 4 functions valve banks one for the crane and one for the additional 23 12 8 Hydraulic scheme for manual extendable stabilizers c w two independent 2 functions valve banks 24 13 HYDRAULIC CONNECTION OF THE ROD EXTENSION CYLINDERS FOR MODELS 1 EMO 2 EHO uci eic erp Erie ree Eran 25 14 INSTRUCTIONS FOR FIXING AND CONNECTING THE KIT MICROSWITCHES FOR NOT LOCKED EXTENDABLE ROBDS iini Rian rrt cete tee e 26 15 DEGCALSAPPEIGATION tre docte ED dex RU
10. 3 of the main beam gt Puta mark on the supporting tube on point 4 where the tube will be bent then measure with a a goniometer the bending angle required to bring the tube parallel to the main beam in the new required configuration ref pict 10B Disassemble the supporting tube from the valve by loosening bolts 5 Bendthe tube atthe required angle then mount it again on the valve and secure the hoses to it Repeat procedure on each side of the stabilizer Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy O Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers 7 FIXING SYSTEM BY CLAMP COLLAR FOR SERIES ML 0 4 2 _ 7 1 Supply conditions The stabilizer is supplied with outrigger cylinders already fixed in the position shown in Pict 11 and locked in a way which does not require any further operation to be carried out by the installer in case such position is suitable for the type of mounting IMPORTANT Should cylinder position need to be different the installer must conform scrupulously to the below described instructions 7 2 Fixing instructions In case you want to change cylinder position in comparison to the one it has been supplied in first of all you have to unscrew the lock nut 1 Pict 12 of the fal
11. 7 8 Except for special cases in this type of application you have to use the versions S P which grant the min dimensions under the vehicle chassis size R The AR option to be always originally ordered moves the cylinders 200mm downwards in models EXHA EXPHA in comparison to the corresponding standard version For models 5 EHA 5 ELHA the AR option to be always originally ordered moves the stabilizer cylinders 60mm upwards in comparison to the corresponding standard version All these different possibilities grant innumerable combinations of application features which make the product suitable for the most various requirements In some cases you could use the S versions as well for installation under the chassis in the presence of vehicles with considerably high frames Arrangement of supporting tubes for hoses on models from 1EMA to 5 EHA The standard ex works arrangement for the stabilizer cylinders their hoses and supporting tubes is shown on pict 10A When is necessary to move the cylinders upwards the supporting tubes must be modified to enable the repositioning of the cylinders and their hoses to run and move free of any obstruction Procedure Loose the anti rotating lock 1 of the cylinder gt Rotate the cylinder toward the outer side of the beam until the supporting tubes 2 and relevant hoses enable the cylinder itself to be moved upwards freely without getting stuck on the outer part
12. accident preventing norms 6 all the machines or some of their parts or other equipments lifted from the ground or which might cause crushing or shearing must be safely locked in their position 7 operate in healthy environments well aired with clean and dry floors Avoid using inflammable or toxic detergents As far as handling is concerned both when loading unloading and when positioning the stabilizers for their mounting and installation the weight of each model without packing is listed in the following table Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy ENS Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers TABLE OF WEIGHTS W O PACKING Model kg Model kg Model kg Model kg ML F 65 ML E 95 1EMA 245 5 EXHA 910 80 125 1 280 5 1010 1 130 1 185 2 345 6 1210 2 185 1 210 2 385 6 1360 2 240 435 7 EXPHA 1590 2 EHO 260 4EHA 510 8 EXPHA 1740 5EHA 680 5ELHA 800 When moving and lifting by means of bends chains or other slings always bear in mind the recommendations and safety prescriptions required for loads lifting and in particular 1 always make sure that the weight of the stabilizer handled is lower than the loading capacity of the lifting equi
13. according to the different fixing systems foreseen for stabilizer cylinders Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 9 info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers From series ML 0 up to series 3 Stabilizers series ML 0 1 2 3 you will have to choose among the several versions according to the length of the cylinders which anyway will have to be moved upwards by following the instructions at 7 The installer will have to secure again the clamp collars in the position suitable to allow the stabilization and to prevent cylinders interference with the body side boxes during the extension operation Series 4 Stabilizers series 4 you will have to choose a stabilizer in P version with standard or short S cylinders checking that the size R and the stroke E in the catalogue allow the correct stabilization On request before ordering it is possible to have the cylinders in a 100 mm lower position compared to the size R in the catalogue Check that the size U does not cause interferences of the cylinder with the body Sometimes it could be necessary to consider the AR overturned rods version which allows to move the cylinder more upwards in case you need to recover some space from the ground and the room above the stabilizer makes this operation feasible Series 5 6
14. ce desc me 12 7 4 Periodical 66 2 ecrit Rer eu nes duce 13 8 ASSEMBLING AND DISASSEMBLING OUTRIGGERS CYLINDERS SERIES 4 STANDARD VERSION WITH SYSTEM BY STOP RING 13 9 Modification of a stabilizer series 4 standard version into P 15 10 FIXING SYSTEM BY SPACER FOR OUTRIGGER CYLINDERS SERIES 5 6 7 8 15 11 SPECIAL VERSIONS AND OPTIONALS 661 enne enne eterni 16 1121 GIF tilting VERSION uuu 16 11 2 SWIVERNTOOUKIT Reel ee 16 11 3 extensions u au uu mu re tre e nera haut etse 16 11 4 Gontrols kit c w valve bank cr rtm rote Xe eene eremita ge scm dpa nea eodera in iraq ur 17 12 HYDRAULIC CONNECTION OF MAXISTAB SUPPLEMENTARY OUTRIGGERS 18 12 1 Lock valves on outrigger uiii ir eiii asa EDD pex eR oh Ee ER 18 12 2 Connection PIPING cu eden wired 18
15. nette keine 33 18 2 4 Automatically tilting hydraulic 34 18 3 5 6 On as 35 16 53 21 E 35 19 3 2 Slabilizer models 2 oisin ee et eee ebat east 35 18 3 3 Tilting legs models reete ette tene shaded cerit ed cnc LER SE OR 35 18 34 Foot plates on Stabilizer legs 35 Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 info maxiliftcrane com SUPPLEMENTARY OUTRIGGERS FOREWORD This manual is to be considered as leading the choice and the correct installation on trucks of the Maxistab range of supplementary outriggers Section 18 includes all the instructions for correct use and maintenance so these pages can be photocopied and included in the manual that the truck fitting work shop must consign to the end user according to CE Directives ATTENTION Every modification or intervention on the base structures of MAXISTAB stabilizers shall have to be agreed with and approved by Next Hydraulics Technical Department Always
16. one with the rod side ofthe other one compare the pict 22 23 24 25 26 Otherwise when putting into service for the first time the overpressure caused by the wrong connection will result in the immediate breaking of one of the cylinder heads without any warranty acknowledgement by Next Hydraulics In Section13 is shown the connection scheme for the supply of the rod extensions cylinders for MAXISTAB models 1 EHO and 2 EHO We hereby recall some information and warnings 12 1 Lock valves on outrigger cylinders stabilizers starting from series 2 inclusive onwards are fitted with standard double acting lock valves while all stabilizers of series ML 0 and 1 are fitted with simple acting manual lock valves NOTE in case the crane valve bank is a so called open centre type the stabilizers lock valves need to be double acting In case of order of stabilizers series ML 0 or 1 this is to be specified when placing it 12 2 Connection piping The connection piping to the hydraulic circuit of MAXISTAB stabilizers can be either a steel stiff type or rubber hoses with steel plaits but always of a type suitable for high pressure hydraulics The internal diameters materials and thicknesses must be suitable to circuit pressures and circulating oil flow About this we suggest to follow the EN 12999 prescriptions 12 3 Prescriptions for Maxistab hydraulic system Locking pins and safety automatic latches against accidental coming out of
17. reed carefully this manual and the Installation Instructions of vehicle s manufacturer before starting installation Next Hydraulics s r l keeps the right to change its products at any moment without any prior notice Always make sure to be in possession of the latest release of this manual and that the prescriptions concerning the models involved in your installation are still in force Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy eile Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 info maxiliftcrane com MAX ISTAB Installation instructions for supplementary outriggers MACHINE DIRECTIVE All the equipments sold within the European Union s territory must fulfil the regulations of the CEE 98 37 Directive MACHINE DIRECTIVE in the version in force Therefore each Maxistab stabilizer is fitted with the safety devices required it bears a plate carrying the CE mark in a visible position and is delivered accompanied by relevant Conformity Declaration The installer carrying out mounting by incorporating the Maxistab stabilizer in the vehicle produces a new machine crane or others on a vehicle ready to be put into service Therefore he becomes the manufacturer of this new machine and must comply with the Directive s provisions concerning design building safety in functioning and use He must keep all of this recorded in the Technical Dossier he is compelled to draw up Aft
18. 21 has a maximum working pressure of 350 bar and a max oil flow of 80 liters min When connect the bottom ports of extension cylinders to the valve ports V1 and V2 the pressure in these sides will be limited to a value factory pre set of 80 bar When required according to TABLE 2 this value may be raised 150 bar to 150 bar by tightening the screws on the V M 20 cartridges Whilst doing this carefully check the new set value by mean of a manometer gauge The valve port T must be connected to the oil tank Ld 61294 0 V1 V2 a i t V1 v2 al Qa o0 t yf IT 1 2 BSP_ L Pict 21 Ne In the next pages various examples of possible hydraulic diagrams for stabilizers connections are shown Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 19 info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers 12 4 Hydraulic scheme for manual extendable stabilizers c w valve bank function and connection between crane and additional stabilizers
19. 39 0522 96 30 39 info maxiliftcrane com Pict 23 MAXISTAB Installation instructions for supplementary outriggers 12 6 Hydraulic scheme for hydraulic extendable stabilizers c w one valve bank function and two 5 ways 4 pos diverters Alternative manually operated lock valve 8 Em 8 mm 8 7 LU A 2 1 Ko gt lt Is 54 di 4 i BLEH E Ey T 6 Main crane stabilizer M o 113 N AL 3 I I 1 Control valve bank 2 Crane stabilizer diverter 3 Crane stabilizer cylinder 4 Lock valve 9 TM 1 5 Crane stabilizer extension cylinder Pict 24 6 Additional stabilizer diverter 7 Additional stabilizer cylinder 8 Additional stabilizer extension cylinder 9 Relief valve see Table 2 Via 22 Mediterraneo 6 42022 Reggio Emilia Italy Tel 39 0522 96 30 08 Fax 39 0522
20. 6 42022 Boretto Reggio Emilia Italy Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 32 info maxiliftcrane com mm MAXISTAB Use and maintenance manual v 18 2 Operating instructions 18 2 1 General attentions The equipment is to be used exclusively by qualified and skilled staff They must know locations and functioning of every control instruments indicator warning light plate and sticker Before starting any operation make sure that nobody is present in the working area of the equipment DANGER Make sure that the vehicle is braked In case lock the wheels by proper wedges Pull out the outrigger rods up to the stroke end marked by the yellow line 2 Pict 33 and make sure that the safety pins on the beam are locked Lower the outrigger foot plates 1 down to the ground making sure of never entirely releasing the suspensions of the vehicle so that it never lifts up excessively This is of utmost importance in order not to loose the contribution of the tires to the stability of the vehicle leaving the support of the load burdening on the crane and the vehicle itself to the stabilizers only When tilting stabilizers are supplied check that these are in vertical position and that their safety pins are in their housing and well secured When lowering the outrigger cylinders always stay away from their area in order to prevent lower limbs crushing Never operate the cran
21. 96 30 39 info maxiliftcrane com MAXEISTAB Installation instructions for supplementary outriggers 12 7 Hydraulic scheme for hydraulic extendable stabilizers c w two independent 4 functions valve banks one for the crane and one for the additional stabilizers Alternative manually operated lock valve 7 Additional stabilizer 7 MEE foo enlm LT jw 6 4 Main crane stabilizer 4 E gt Tuy 150 p max see Table 2 1 Crane stabilizer cylinder 2 Lock valve 3 Crane stabilizer valve bank 4 Crane stabilizer extension cylinder 5 Additional stabilizer valve bank 6 Additional stabilizer cylinder 7 Additional stabilizer extension cylinder Pict 25 Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 23 info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers 12 8 Hydraulic sc
22. a Italy 26 39 0522 96 30 08 39 0522 96 30 39 info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers 15 DECALS APPLICATION Version 4 EHA 5 EHA 5 ELHA 5 EXHA 6 EXHA 5 EXPHA 6 EXPHA 7 EXPHA 8 C PA 4 lt A 12 daN m 85 Lbs Ei 9 xd XXX bar qu A SA BS ESA version with automatic lock valve Pict 30 Each MAXISTAB stabilizer is equipped with a sealed envelope holding the decals and the safety warnings required Such decal kit must be applied to the stabilizer after its final painting as shown in pict 30 When delivering the stabilizer to the end customer always make sure that it is fitted with all the warnings and decals shown in the picture If not so apply to Next Hydraulics for the missing ones Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers 16 STORAGE AND HANDLING INSTRUCTIONS The MAXISTAB stabilizers can be delivered to the installer on different sorts of packing generally pallets or wooden frame suitable for handling by forklifts or transpallets Each stabilizer is supplied along with
23. allet strokes Then tighten definitively the screw by the torque wrench to the driving torque shown in the proper table Tab 1 Table 1 Stabilizer Cylinder Screw type Wrench Driving torque model diameter mm mm mm daN m Lbs ft GR 0 ML 70 M12 10 12 85 12 9 1 85 TCEIM14 12 20 145 cl 12 9 Gr 2 Gr 3 95 TCEI M16 14 30 220 cl 12 9 7 3 Warnings and dangers 1 The non respect of tightening torques puts at risk stabilizer s safety Before tightening check that the screw and its threaded hole made in the collar are degreased and clean 2 Check that in the new working position chosen the stabilizer cylinder is still correctly housed into its cylinder sleeve That happens when the cylinder leans on both centering bands made inside the sleeve Pict 15 3 If during the above operations the sharp profiles made in the internal cylindrical surface of the collar are accidentally damaged take care of replacing the collar by a new one m gt The collar must not be welded in any way The prescription decal indicating the obligation to use the torque wrench and the driving torque value is to be applied near the collar after the installation is finished and anyway after painting so that it is completely visible D Tel 39 0522 96 30 08 Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy Fax 39 0522 96 30 39
24. alve checking the pressure with a manometer gauge on the P port until the desired value is achieved Pict 19 Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 E Ehe info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers 12 HYDRAULIC CONNECTION OF MAXISTAB SUPPLEMENTARY OUTRIGGERS The MAXISTAB stabilizers are supplied equipped with their own installed hydraulic circuit Piping is interrupted and open in the middle of the stabilizer itself in order to allow the connection to the hydraulic feeding circuit according to different schemes which are left to the installer s preference Even within such power of discretion for safety reasons and regulations it is essential that the control hydraulic circuit can be operated on both sides of the vehicle so that the operations concerning stabilizer rods extension and stabilizer cylinders lowering on the ground are always visible during their execution In the following pages Pict 22 23 24 25 26 are shown as an example the schemes of some hydraulic circuits for the connection to MAXISTAB stabilizers AN ATTENTION Whatever the type of circuit chosen is you have to make sure of connecting always the bottom side of one stabilizer cylinder with the bottom side of the other one and consequently also the rod side of the first
25. as the choice of stabilizer size or type according to crane lifting moment is concerned it is important to remember that the moment rates mentioned in the range brochure are only an indication as they cannot consider the real distance of the stabilizer from the crane or the actual dynamic moment of the crane itself Therefore in order to make a correct choice please follow the calculation system shown at page 6 Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 r info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers 4 CALCULATION OF THE MAXIMUM FORCE ALLOWED ON THE STABILIZER 1 Column axle offset from the middle of the vehicle to the left or to the right cm 2 Longitudinal distance from column centre to the middle of the additional stabilizer or to the middle of the closest stabilizer cylinder in case of stabilizer with side by side rods cm 3 Maximum dynamic moment of the crane stated by its manufacturer daNm Filing up the two equations in pict 7 with the above data the maximum force allowed on the cylinder is drawn Compare such data with the attached table of maximum allowed force rates and check that it is lower i e R max R allowed If not so repeat the calculation after increasing the stabilizer distance from the crane if possible or choose a stabilizer with a bigger spread
26. atic latch so that its locking pin 4 can be overrun When done turn again the manual lock 1 of 180 degrees in this way its spring operated pin will engage and lock the lateral extension when fully extended in working position marked by a vertical yellow stripe on the lateral extension For retracting the extensions in travelling position disengage the manual lock turning it 180 deg upwards push the extension inside for a 20 30 cm acting on the handle and then turn the lock of 180 deg again so it will lock the extension in travelling position automatically when fully retracted Push completely the extension until it stops both devices 1 and 2 will engage and secure automatically 18 1 2 Hydraulically operated lateral extensions Pict 32 B The hydraulic extendable stabilizers are fitted with a single automatically inserting device 5 In this case in order to allow the hydraulic extension of the rod you have to pull the lever 6 of the device upwards and keep it lifted by means of its proper retainer 7 which has to lean on the pin 8 of the rod itself For retracting simply operate on the controls the locking device will engage automatically when fully retracted If the safety latch device looks damaged or not properly working bring the truck to the workshop for checking correct setting of pressures and choice of controls according to sect 12 3 12 6 12 7 Pict 32A Pict 32B Via Mediterraneo
27. ations in order to grant an effective protection against water seepages ASSEMBLY DISASSEMBLY Bend slightly 8 Grease defined Pict 17 IMPORTANT For a following easy disassembly it is important to be particularly careful during the greasing and sealing operations in order to grant an effective protection against water seepages Tel 39 0522 96 30 08 Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy Fax 39 0522 96 30 39 info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers 9 Modification of a stabilizer series 4 standard version into P version with system by stop ring see Pict 16 After the cylinder have been disassembled by following the above mentioned instructions you have to carry out the following operations 1 Putthe cylinder on the lathe and make a groove the desired position with same dimensions of the one already existing on the bottom depth 2 5 mm R 2 6 mm by a tool of proper radius 2 Incase turn the cylinder liner to the nominal diameter if necessary for a length of 200 210 mm beyond the groove made 3 Drill by a flat centre a hole 5 25 in the middle of the groove lined up to the fittings The depth of the hole must not exceed 5 5 6 mm AN ATTENTION The thickness of the cylinder liner is 7 5 mm After this operation you can go on with the assembly by following th
28. case the vehicle on which a crane is installed is smaller than the minimum vehicle foreseen by the manufacturer for that kind of crane it will be necessary to install an additional stabilizer The choice of the additional stabilizer is to be made according to two main factors 1 The stability checking of the vehicle with crane at full load and in the most unfavourable conditions 2 maximum force which has to be borne by the additional stabilizer Each crane manufacturer gives some indications which you can refer to for the stability calculation of the vehicle Type EMO with crane installed In case of use or installation as main stabilizer near to cranes aerial platforms or for other employments in order to guarantee the stability of the vehicle the installer has to calculate the stability of the system and the actual stress the stabilizer will be subjected to by following the calculation systems imposed by the regulations in force and making sure that the max stress borne by the stabilizer is lower than the rates indicated in the table at page 7 Anyway in the MAXISTAB range you can choose among the following stabilizer models Type fixed F extendable with opposite rods EMO EHO extendable with side by side rods EMA EHA ELHA extendable with two telescopic extensions each side EXHA EXPHA see Pict 6 Pict 6 As far
29. der to release the plate f Unscrew the rotating preventing dowel Pict 18 g Extract the cylinder and the spacer Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 EN us info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers v 11 SPECIAL VERSIONS AND OPTIONALS The MAXISTAB stabilizers can be provided with some optionals which can solve problems related to difficult or particular installations 11 1 GIR tilting version This version is to be specified on order and has got slewing cylinders which can pivot on a pin with the possibility of pegging the cylinders in transport position to different angles compared to the vertical line Normally the standard positions are 45 and 180 This version is chosen when you require a reasonable stroke of the stabilizer cylinders but their overall dimensions are excessive and they cannot stay in vertical position or when there are some cumbersome parts on the vehicle which do not allow the correct placing in vertical transport position of the cylinders Conversions into this version starting from standard stabilizers are not possible This version is to be originally ordered 11 2 Swivel foot kit It is installed as standard on the biggest models starting from series 3 and it helps preventing bending stresses on cylinder rods in case the foot
30. diterraneo 6 42022 Boretto Reggio Emilia Italy Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 25 info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers v 14 INSTRUCTIONS FOR FIXING AND CONNECTING THE KIT MICROSWITCHES FOR NOT LOCKED EXTENDABLE RODS The kit warns the driver when manually operated extension rods are not locked in the transport position That kit is to be ordered separately and is supplied with instructions sheet WIRING INSTRUCTIONS Pict 28 Microswitches 1 e 2 of the supplementary outrigger must be normally N 9 2 open series connected each other by means of the bus bar 3 Should the extensions of the crane main stabilizer be manually operated also their microswitches 4 and 5 will have to be normally open NO 9 and series connected each other and with the previous ones layed on the n line supplying the solenoid of the relay 6 The contact 7 controlled by the relay must be normally closed on the line supplying the warning L light 8 in the driver s cab and series connected with the truck ignition 6 1 7 key 9 The warning light must be a RED lamp or LED 69 8 FITTING OF THE COMPONENTS Pict 29 w wv v v w v v v v w
31. e above mentioned instructions 10 FIXING SYSTEM BY SPACER FOR OUTRIGGER CYLINDERS SERIES 5 6 7 _ 8 In case of standard installation the force develops on the spacer 1 placed between the lower surface of the cylinder sleeve 2 and the beat made on the cylinder collar 3 In case of installation under the chassis P version the force is developed from the direct contact between the cylinder collar beat and the lower surface of the cylinder sleeve The fixing is fulfilled by slipping the spacer on the cylinder whose collar is already beating on the cylinder sleeve lower part stopping the system by the plate 4 and screwing the ring nut 5 on the threaded tang on cylinder bottom Then the cylinder is locked by screwing the dowel 6 which prevents rotation in the threaded hole of the sleeve In order to fulfil an intermediate positioning in comparison to the above mentioned two you have to cut the spacer The steps to follow for disassembly in this case or in case you wish to change cylinder position compared to the one it has originally been delivered into are the following Remove fittings protection b Disassemble the piping c _ Unscrew the elbow union on cylinder bottom d Before unscrewing the ring nut you have to support the cylinder by proper means in order to prevent its accidental and uncontrolled descent which can cause limbs crushing e Unscrew the ring nut in or
32. e before checking that the outriggers are well positioned on a firm ground if necessary increase properly their bearing area Check the stability according to the existing operating conditions In case the ground under the stabilizer legs is yielding the bearing area of the foot plates must be increased even better by using outrigger pads supplied by the manufacturer Extend the outrigger rods one at a time starting by the one on controls side after releasing the rods locking systems according to their type and then checking that when foreseen they go off once the max rod extension is achieved In case of manual extendable stabilizer always make sure of pulling the rods by the proper handle on the stabilizer cylinders and never by the pipes on the stabilizer itself Pict 33 TS ATTENTION The stabilizers are fully extended when you can see clearly the yellow stroke end line on stabilizer Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy aspe Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 info maxiliftcrane com MAXISTAB Use and maintenance manual Lower the foot plates one at a time by operating as follows 18 2 2 Hydraulic stabilizer Manual lock valve Pict 34 Open the manual lock valve 1 in order to allow the lowering to the ground of the foot plate 2 The valve is open when the lever is in position A Operate the lever of the valve bank and the flow div
33. e remains guided for a sufficient stretch x gt 20mm inside the Pict 37 external one Cut the internal profile in correspondence of the line marked and drill the hole Mount again the shortened and drilled internal profile checking that in correspondence of the desired position the holes on both profiles coincide In this case the slewing cylinder locking into travelling position is possible only by the pin 4 Pict 38 slipped inside the hole of the mechanical strut 5 and the split pin 6 The pin 1 must be slipped into the slot near to the rod end and locked by the split pin 3 In working position instead you have to lock the cylinder by the pin 1 and the split pin 3 Pict 38 Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 info maxiliftcrane com MAXISTAB Use and maintenance manual 18 3 Regular checks 18 3 1 For all the models Weekly Check for presence of oil leaks from hoses pipings and fittings if any find out and remove their causes Check for damages or wear on hoses and piping Check the locking pins and safety latches They must be efficient and perfectly working If bent broken damaged or missing of any item they must be immediately replaced or repaired at authorized workshop Check integrity and efficiency of the devices supporting and driving the hoses
34. ecaution are not acknowledged under warranty Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy 16 Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers 11 4 Dual side controls kit c w valve bank This kit is used in case you wish to operate the rear stabilizer directly by a valve bank installed on it Normally the hoses for connection to the cylinders and the valve bank pass under the stabilizer and are suitable for installation under the chassis 1 4 FHA If want install the aq stabilizer on the chassis this E must be specified on order so that the original run of the hoses can be modified There are 3 available types of dual side controls kits A for stabilizers c w hydraulically extendable side by side rods B for stabilizers c w hydraulically extendable opposite rods C for fixed or manually extendable stabilizers The operation levers are arranged in order to allow only the operation of the functions related to their location side see Pict 19 AN ATTENTION The distributor valve bank is supplied with a standard pre set value of 80 bar on its main relief valve Some models of stabilizers see Table 2 require a setting of 150 bar on the section directing the lateral beam extension In these cases adjust the main relief v
35. er making sure by proper tests and practical exams of the correspondence to the requirements the installer places his own CE plate and releases his own Conformity Certificate NOTE We remind that the non fulfilment to the above involves in case of accidents criminal sanctions fines compensation for economic damage caused by defective product withdrawal from the market of the machine itself and in case also of others of the same series REFERENCE NORMS Directives CEE 98 37 CEE 89 336 and following modifications 91 263 92 31 93 68 Norm EN 12999 in the version in force Norm CUNA NC 034 05 Release 1984 Norm DIN 15019 INSTALLATION AND MOUNTING INSTRUCTIONS from Manufacturers of various industrial vehicles Use manuals of hydraulic hoses from various Manufacturers Use manuals of hydraulic steel pipes and fittings from various Manufacturers Use manuals of pumps and PTO s from various Manufacturers Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy 2 Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers 1 MAIN COMPONENTS AND TERMINOLOGY The stabilizer is made of the following parts and main components see Pict 1 1 M Main beam 2 Extendable rod 3 Oylinder sleeve 4 Stabilizer cylinder 5 Footplate 6 Rodextension cylinder 7 Lockvalve 8
36. erraneo 6 42022 Boretto Reggio Emilia Italy Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 Sv info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers 5 SUPPLEMENTARY OUTRIGGERS INSTALLATION The supplementary outriggers can be installed in the following ways On the chassis by welding the stabilizer to the edge of the counter frame or by cutting the same and inserting the stabilizer in an opening made in a middle point of the counter frame itself At this stage it will be necessary to fix adequately the counter frame and the stabilizer to the vehicle chassis by side plates and fixing screws see Pict 8 Under the vehicle chassis In this case the stabilizer is to be fixed to the chassis and the counter frame by means of brackets welded to the stabilizer itself with counter plates to be fixed by screws to the chassis or the counter frame It is important that the stabilizer leans against the chassis without clearance and in vertical position The chassis must be reinforced by a suitable counter frame supporting the same according to the indications of the crane or the vehicle manufacturer see Pict 9 Apart from the solution chosen the stabilizer installation must always fulfil the following essential conditions Counter frame Chassis Opening for Pict 8 Pict 9 Via Mediterraneo 6 42022 B
37. heme for manual extendable stabilizers c w two independent 2 functions valve banks Alternative manually operated lock valve aps p ea __ Additional stabilizer i Main crane stabilizer gt L Iw XE Lll lw i i 50 7 50bar 1 Crane stabilizer cylinder 2 Lock valve 3 Crane stabilizer valve bank 4 Additional stabilizer valve bank 5 Additional stabilizer cylinder Pict 26 Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy 24 Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers 13 HYDRAULIC CONNECTION OF THE ROD EXTENSION CYLINDERS FOR MODELS 1 EHO 2 EHO In picture 27 are shown the connection inlets for the rod extension cylinders in order to make the correct mounting easier N 80 bar D Pict 27 Via Me
38. ider if present until the plate reaches the ground without unloading the suspensions of the vehicle Then put the manual lock valve back to C closed position Double acting lock valve Obviously the lock valve manual operation is omitted in case of double acting lock valves Pict 34 18 2 3 Manually tilting hydraulic stabilizer In case of tilting stabilizer legs before operating the lock valve make sure that the cylinders are in vertical position with foot plates downwards with the lock pin 1 fully in and the split 2 inserted If not so remove the split pin pull out the lock pin and turn the stabilizer leg with the plate downwards Lock the leg by the lock pin and the split pin Open the lock valve 3 and operate relevant lever 4 of the valve bank until the stabilizer foot plate 5 reaches the ground as described for the standard hydraulic stabilizer When duly positioned close the valve 3 on the stabilizer Pict 35 Pict 35 AN ATTENTION If the stabilizer is not in a stable vertical position when removing the lock pin it must be properly supported in order to prevent it from falling downwards causing damages or injuries Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 Eas info maxiliftcrane com mm MAXISTAB Use and maintenance manual 18 2 4 Automatically tilting hydraulic s
39. ieve the best aesthetic and protective result after degreasing the stabilizer we suggest to rub slightly the black coat by fine grained abrasive paper and to apply one or two coats of final paint in the desired colour and of following type POLYURETHANE ACRYLIC POLYACRYLIC Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy 30 Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 info maxiliftcrane com MAXISTAB Use and maintenance manual v 18 STABILIZERS USER MANUAL The following pages include the instructions for use for MAXISTAB supplementary outriggers The installer must take care of enclosing such pages in case even photocopying them in the user manual he has to provide to the end user as foreseen in the Machine Directive 18 1 Lateral extensions locking systems 18 1 1 Manually operated lateral extensions Pict 32 A These beams are fitted with two separate locking devices one manually operated 1 and a second 2 on the other side of the main beam automatically deploying and ready to be equipped with a microswitches kit that warns the driver when both lateral extensions are not properly locked for travelling on road see sect 14 For extending laterally the beam first disengage the manual lock 1 rotating it 180 degrees upward Pull out the extension acting on the relevant handle 3 at the same time for the first 20 cm of running keeping manually lifted the autom
40. ional cases you will have to choose the S versions with short cylinders From series ML O up to series 3 The stabilizers in version from series ML O up to series 3 which are already shipped in standard version checking excepted are ready for installation In case when extending the rods the cylinder or the fitting protection interfere with the body side box it is possible to lower the cylinder keeping it aligned in the upper part of the cylinder sleeve as mentioned in S 7 3 Pict 14 Series 4 For the stabilizers of series 4 it will be necessary to check if you require the S version with short cylinders or the standard version by looking at the sizes of each type in the catalogue Series 5 6 7 8 For the stabilizer series 5 6 7 8 type EXHA or EXPHA first it will be necessary to check if you have to use the S versions with short cylinders or the L version with long ones Then in case you can consider the AR versions to be always originally ordered which make the stabilizer cylinders move 200mm downwards For the models 5 EHA 5 ELHA which can be supplied both in S or L version too the AR option to be always originally ordered makes the stabilizer cylinders move upwards of about 60mm and consequently it is more suitable for installation under the chassis INSTALLATION UNDER THE CHASSIS In case you wish to install the stabilizer under the chassis you will have to make your choice in the following way
41. l and slewing preventing system therefore it is necessary to pay attention to the accidental and uncontrolled descent of the cylinder itself which may cause limbs crushing Concerning cylinders of series 0 ML please refer to Pict 12a Unscrew the locking screw 2 of the clamp 3 and pull it out consequently releasing also the coupling 4 In order to open wide the collar you have to screw the screw 2 from the threaded side Pict 13 placing a shim or the coupling itself in the split Let the collar slide up to the desired position and lock it unscrewing the screw previously fitted in Put the screw 2 back into its original position slipping it into the hole of the adjustable coupling 4 inserted in the split Let the cylinder slide upwards Pict 14 until the collar leans against the cylinder sleeve so that the threaded shank of the coupling 4 slips into the eyelet 5 and can be locked by tightening the lock nut 1 Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 info maxiliftcrane com Pict 11 Pict 12 Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy 12 1 MAXISTAB Installation instructions for supplementary outriggers Tighten slightly the screw 2 paying attention that the collar is completely leaning to the below part of the cylinder sleeve in case helping by some slight rebound proof m
42. liftcrane com MD 0 157 GB
43. nd bar 2 it screw by the lever 3 until everything is in its place and setting the fittings inlets in the desired position 5 Lock the rotation by the dowel 2 use Loctite 242 to prevent unscrewing 6 Degrease the outside and seal the A and B areas by silicone black Saratoga for bodywork 7 Assemble all fittings Both greasing and protection against possible water seepages are important for an easy disassembly Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 3 info maxiliftcrane com DISASSEMBLY Pict 16 MAXISTAB Installation instructions for supplementary outriggers Disassembly see Pict 16 17 STEPS 1 2 3 4 5 6 Disassemble cylinder piping which inhibit its extraction Remove the sealing silicone from the and areas Unscrew the dowel 2 in order to release the cylinder Insert the lever 3 for the disassembly make the cylinder turn until the end of the stop round bar 1 comes in correspondence of the slit on the sleeve Lever by a screwdriver so that the round bar going on turning comes out of the slit At this stage when the round bar is out the cylinder can be extracted JE For following easy disassembly it is important to be particularly careful during the greasing and sealing oper
44. oretto Reggio Emilia Italy Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers manually operated pins hookings the extendable rod handles the levers of the manual lock valves are always to be easily accessible and their operation must entail no risk for the user b the hydraulic hoses close to the operator must always be properly protected and shielded c check that there are no piping or wires pending or protruding under the stabilizer with following risk of entangling when travelling When necessary collect them by means of clamps sheaths etc and fasten them properly to some fixed parts d for hydraulic extendable stabilizers make sure of the correct functioning of the side extension system and check in particular that the mobile parts such as rods piping wires etc when moving do not interfere of get entangled with other fixed parts of the vehicle or the stabilizer forthe manually tilting stabilizers make sure that relevant operations can be easily and safely carried out 6 CHOOSING THE VERSION According to the type of installation adopted you have to choose the right version of additional stabilizer INSTALLATION ON THE CHASSIS If the installation is to be made on the chassis normally you choose stabilizers with standard or long stabilizer cylinders Only in except
45. plate bearing surface is not completely flat It be requested as optional also on series ML 0 1 11 3 Cylinders rod extensions Such optionals are used in case you realize that the fully extended stabilizer cylinders are not able to stabilize sufficiently the vehicle They are normally threaded male female and can be mounted by placing them between rod and foot plate screwing them thoroughly and locking them up and down by a dowel Next Hydraulics is able to supply optional rod extensions whose dimensions are mentioned in the MAXISTAB catalogue The dimensions the mounting procedure and the materials they are made of ensure their suitability for installation on our stabilizers A ATTENTION DANGER The application of rod extensions to the stabilizer cylinders is to be made with extreme care as in general it implies an increase of stresses on the rods with following danger of inflection and unexpected yielding of the same and consequent risk for the stability of the vehicle Before applying non original extensions always consult Next Hydraulics in order to check whether they are suitable and correctly mounted In particular in case of extensions applied by welding operation to avoid as far as possible before welding the extension to the rod you must always fully extend the rod itself up to its stroke end in order to prevent the burning of cylinder head seals All cylinders leaking oil owing to the inobservance of such basic pr
46. pments you intend to use using the above table as a reference 2 keep the operating area free from people and things 3 the stabilizers could be not symmetrically balanced as far as the distributions of their weights is concerned especially if you need to rotate them in order to overturn them Their barycentre is extremely variable even for the same model but according to the different version chosen options installed etc Pay extreme attention to rough movements and impacts which could come from them As far as possible try and apply the lifting equipments in order to balance the weight Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 29 info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers v 17 FINISHING AND PAINTING OF MAXISTAB STABILIZERS The stabilizers are supplied painted with EPOXY priming coat of half luster black colour This product is an excellent support after the mounting and installing operations for the application of a final paint as mentioned in the warning decal applied to each stabilizer In order to prevent future rust dripping from the slits of the demountable parts connections for instance cylinder sleeve stabilizer cylinder coupling we suggest to seal such parts by seams of silicone base products before going on with the final paint In order to ach
47. tabilizer The automatically tilting device system is applicable on request to the stabilizers of series 4 5 6 With such system the stabilizer leg rotation is induced by the rod stroke Therefore in order to prevent the accidental operation and the consequent cylinder lowering or raising it is necessary to lock the cylinder by fully slipping the lock pin 1 into the hole of the slewing pivot 2 in the corresponding working or travelling position and then inserting the split pin 3 Pict 36 When placing the order you have to specify the angle required for the travelling position preferably choosing between 45 or 90 For angles smaller than 45 Pict 37 first of all to pull out the internal profile of the mechanical strut after removing the fulcrum pin Turn the fully retracted cylinder up to the desired travelling position holding it in this position by proper means Place the extracted profile beside the external one with the fulcrum eyelet in correspondence of relevant fork and paying attention that both of them are lined up to the seam of the two fulcra Draw the internal profile so that it beats against the bottom of the external profile considering that the thickness of this one is 10 mm and mark by paint through the hole on the external profile the hole to carry out Also check that when the cylinder is in vertical position fully extended the internal profil
48. the lateral extension beams must be protected from damage by limiting the pressure on bottom side of the extension cylinders ref picts 12 6 12 7 It is also required that spools of the closed center type are fitted on the sections of the distributor valvebank that controls lateral extensions ref again picts 12 6 12 7 Follow TABLE 2 for the maximum allowable pressures on these sections for every model of Maxistab range These values are also written on the yellow decal labels applied on every stabilizer beam nearby the ports of the extension cylinders as shown on pict 20 A relief valve able to limit the pressure on the lateral extensions cylinders is available and its features are shown in the following section 12 3 1 Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy ESIN S Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 info maxiliftcrane com MAXISTAB Installation instructions for supplementary outriggers The maximum working pressure for the Maxistab range hydraulic system is 300 bar In case of higher pressure always apply to Next Hydraulics tech dept for approval Table 2 Max working pressure on bottom MODEL side of lateral extens cylinders bar EHO 80 EXHA EXPHA 150 EXHA EXPHA EXPHA EXPHA m gt 12 3 1 Double on line relief valve This valve ref pict
49. whilst extending 18 3 2 Stabilizer models ML 0 1 2 3 Weekly Carry out a visual checking making sure that the cylinders did not move upwards or that with cylinders in transport position there is no clearance between the locking collar and the sleeve in case one of the above situations occurs have screw tightening checked by an authorized workshop Pict 39 Yearly Have screw tightening checked by an authorized workshop and if necessary restore it tightening by torque wrench according to what shown in Tab 1 Each operation beyond what described has always to be approved by Next Hydraulics Technical Department whom you have to apply to for any clarification and further information required 18 3 3 Tilting legs models Quarterly Check that the pivot 1 and its bushing 2 are correctly greased If not apply grease through the relevant grease nipple 3 Pict 40 18 3 4 Foot plates on stabilizer legs Ref picts 39 40 Pos 4 Weekly Check that the bearing surface is plane without damages nor deformations If not replace with original parts Via Mediterraneo 6 42022 Boretto Reggio Emilia Italy Tel 39 0522 96 30 08 Fax 39 0522 96 30 39 525 info maxiliftcrane com MAXISTAB 2 NH Next Hydraulics Via MEDITERRANEO 6 42022 BORETTO REGGIO Emilia Italy Tel 0522 96 30 08 Fax 0522 96 30 39 info maxi
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