User Manual
Contents
1. Z LLI 6 2 UNBALANCE OPTIMIZATION UNBALANCE OPTIMIZATION Make sure that the previous spin was made with the wheel now fitted on the wheel balancer Trace the rim adaptor position with a reference mark to allow re assembling on the adaptor in the same position Remove the wheel from the balancer Turn the tyre 188 on the rim Re assemble the wheel on the balancer by positioning the rim reference mark with the ada S eClose the wheel guard and push START The symbol O is displayed automatically for static unba lance exceeding 30 grams 1 1 oz The program allows reducing the total unbalance of the wheel by compensating when possible the unbalance of the tyre with that of the rim It requires two spins with rotation of the tyre on the rim in the second spin Press o Q9 after a first spin and follow the instructions appearing on the monitor 20 Use and maintenance manual Hev 10 2009 7 Setup The Setup screen provides the user with many possibilities required for presetting the machine according to his own requirements Such settings remain unaltered even when the machine is switched off The following buttons are enabled o return to previous window return to Measurement screen rom o for selection of the parameter 7 1 LANGUAGE This function allows selecting the language to be used for displaying descriptive and diagnostic messages regarding machine operation2. v The machine weighs 140 kg Technological description Use and maintenance manual Rev 09 2009 3 Starting WARNING BEFORE SWITCHING ON THE MACHINE MAKE SURE THAT ALL THE CONNECTIONS DESCRIBED IN THE INSTALLATION cHAPTER HAVE BEEN MADE CORRECTLY THE FOLLOWING OPERATIONS INVOLVE A POTENTIAL RISK FOR THE OPERATOR GIVEN THE PRESENCE OF VOLTAGE ON THE EQUIPMENT THE PERSONAL PROTECTIVE EQUIPMENT DESCRIBED IN THE INSTALLATION MANUAL MUST BE WORN AND WORK MUST BE DONE WITH DUE CARE AND ATTENTION OPERATIONS MAY ONLY BE PERFORMED BY A SPECIALISED TECHNICIAN Before powering the machine carry out the following checks 1 check that the balancing machine touches the floor at the three support points 2 make sure that all the parts of the balancer are cor rectly connected and fixed 3 makesurethatthe parameters voltage and frequency ofthe mains power supply are compatible with those indicated on the rating plate of the balancer make sure the power cable is correctly connected make sure the machine shaft and flange hole are clean du CAUTION ANY TRACES OF DIRT MAY AFFECT BALANCING ACCURACY 6 Position the wheel on the terminal with the inner part facing the balancer Starting fs Firmly attach the wheel to the balancer shaft using the lock nut In the pneumatic version use the spe cific collar provided For operation of the spindle wi
3. 7 2 UNIT OF UNBALANCE MEASUREMENT It is possible to select whether to display the unbalance values expressed in grams or ounces 7 3 TOLERANCE also see CORRECTION METHOD This is the unbalance threshold below which the word OK instead of the unbalance value appears on the screen at the end of the spin Tolerance gt Tolerance STANDARD EXT PLANES 5 g IC Static tolerance 9g Select Default 1 2 3 4 The tolerance varies based on the correction method selected In the case of IC Intelligent Correction set the static tolerance limit and the average weight of a reference wheel of 6 in width and 15 in diameter Setup Use and maintenance manual Rev 10 2009 The following buttons are enabled parameter selection during setting o9 parameter decrease increase during setting default parameter setting recommended by the manufacturer return to previous frame 7 4 UNBALANCE DISPLAY PITCH This represents the display pitch of the unbalance and varies according to the unit of measurement selected The selection 5 g 1 4 oz enables display of the correction values on both sides such as to bring the static unbalance to 0 theoretical It is recommended to preset this function as standard use of the machine as it improves the balancing quality The computer makes a complex calculation which allows cancelling the residual static unbalance by varying the value and position of the cou
4. 13 BE 9 E Z LLI 5 3 USER CONTROL Save user The wheel balancer can be used simultaneously by 4 diffe rent users who through a simple sequence can memorize their work condition and call it when needed The users names can be memorized PRESETTING THE CUSTOMER AND USER NAME 5 3 1 To save USER Preset the dimensions correctly according to the proce dures already described in sections AUTOMATIC PRESETTING Press Q the MENU window appears on the monitor Press a window appears with the list of availa ble USERS The current user is displayed in red Press the number corresponding to the required USER The system returns to the initial screen automatically 5 3 2 To call USER Perform a measuring spin with any dimensions o the MENU window appears on a window appears with the list of avai Press button the screen Press lable USERS The current user is displayed in red Press the number corresponding to the required USER The system automatically returns to the initial screen with recalculation of the unbalance values on the basis of the effective dimensions of the USER called INDICATION The dimensions memorized as USER are lost when the machine is switched off The USER control is also valid for the ALUS dimensions The current USER is always displayed in the Measurements and Dimensions screens 14 Use and maintenance manua
5. ACOUSTIC SIGNAL the reaching of a fixed arrow Z is accompanied by a beep Use of the wheel balancer 5 4 2 SPLIT control SPLIT is only possible in the event of static unbalance or ALUS external side and is used to hide any adhesive weights 3E u correcting unbalance behind the rim spokes e IT To split the unbalance detected in two different positions proceed as follows 1 Position static unbalance or ALUS external side in the correction position 2 Select a spoke close to the 12 o clock postion to be corrected more it into the 12 o clock position and press button 6 3 Turn the wheel in the rotation direction indicated on the unbalance display brining the second spoke to the 12 o clock position and press button 6 Turn the wheel in direction of rotation Turn the wheel in reverse direction of rota tion 4 Atthis stage the screen shows the graphic display of the correction spokes with the relative weight of the unbalance detected 5 Position the spokes indicated on screen in the 12 o clock position and correct with the value displayed Any error in this procedure is clearly shown on screen Always follow the information provided by the wheel to opti mise correction When SPLIT is enabled the icon amp appears on the left of the screen 15 BE 9 zj Z LLI Use a
6. In the case of the I C correction method when this function is set to ON it allows displaying the unbalance correction values with an approximation of 1g 0 1 ounce enable the graphic display of the residual static un balance and torque as the distance and the diameter change Given the complexity of the information provided to the user itis recommended to set this function to ON only on explicit request and when the wheel balancer is used by expert personnel INDICATION The innovative IC software has been designed to reduce the amount of weight used to correct the unbalance leaving a residual unbalance on the wheel within the set tolerances The tolerance used by the machine is obtained from a tolerance of a reference wheel modified in order to make the vibration generated by the reference wheel comparable with that in use This is obtained according to the coded theory of the ISO standaras In general a wheel balanced using IC has a higher residual unbalance than a wheel balanced at best using the conventional method but although generating a tolerable vibration from the vehicle it has the advantage of considerably reducing the counterweights used 22 Use and maintenance manual Hev 10 2009 8 Special calibrations and functions In order to gain access to the Reserved Calibrations and functions it is necessary to enter a password Any incorrect operation within the functions described below could imp
7. WHERE AND HOW TO KEEP THE MANUAL This manual and relative attachments must be kept in a safe and dry place and must always be available for consultation Make a copy and keep it in the archive When exchanging information with the manufacturer or the technical assistance staff authorised by the former quote the rating plate information and the serial number of the machine This manual must be kept for the entire lifetime of the machine and if necessary e g damage making all or some of it illegible etc the user must request another copy exclusively from the manufacturer quoting the pub lication code indicated on the cover 1 4 MANUAL UPGRADES This manual is an integral part of the machine and reflects the state of the art at the moment it was put on the market The publication complies with the directives in force on that date the manual cannot be considered inadequate EE 9 Z LLI az 9 E Z LLI as a result of regulatory updates or modifications to the machine Any manual upgrades that the manufacturer may see fit to send to users will become an integral part of the manual and must be kept together with it 1 5 COLLABORATION WITH USERS The manufacturer will be pleased to provide its custom ers with any further information they may require and will consider proposals for improving this manual in order to more fully satisfy the requirements it was written for In case of transfer of
8. are enabled Start an eccentricity optimisation procedure I ECCENTRICITY OPTIMISATION A box is displayed indicating the offset effect that that eccentricity of the first harmonic measured may have at an average speed of 120 Km h Select the display box of the graph for the eccen tricity measured ECCENTRICITY MEASURE MENT OPTIONAL Return to measurement screen Use and maintenance manual Rev 10 2009 5 6 1 Eccentricity optimisation This procedure is used to assess the possibility of adequa tely rotating the tyre on the rim in order to minimise wheel eccentricity Eccentricity optimisation in general is advised for values of the first harmonic higher than 1 2 mm Follow the simple on screen instructions At the end the following is displayed pee Annulla K STOP Mark the rim and the tyre in the positions indicated on screen and move the tyre on the rim until the marks coin cide Q Return to measurement panel Use of the wheel balancer Use and maintenance manual Rev 09 2009 6 Menu 6 51 MENU ACCESS DIAGRAM MENU User control oad user More e MENU a Anm Ww C PASSWORD VO O t FOR SPECIALIZED PERSONNEL ONLY Special functions lt i Weal arranteicit chock Ji suid ECLEMU TILILLE z EN LU ec NNNMNMZSM ATUDE T MENU Bu AA mii BEML i NL m ey 19 Menu 2E o ur Zz LLI BE 9 a
9. more or less known unbalance less than 100 Err 17 grammes and verify the response of the machine Err 18 5 Replace the computer board i Diagnostics N Use and maintenance manual Rev 09 2009 Err 40 Err 41 Err 42 Err 43 Err 45 Err 46 Err 47 Err 48 Err 50 Err 51 Err 52 Err 53 Diagnostics Maximum number of spins possible for the unbalance measurement has been exceeded Eccentricity graph plotting procedure error Eccentricity graph value display readout error Eccentricity graph current value cursor plot ting procedure error Sonar readout error Sonar value readout impossible Sonar readout error Sonar values are insufficient for correct measurement of eccentricity 1 Check that a vehicle wheel has been mounted on the wheel balancer 2 Check in self diagnostics that the encoder functions properly 3 Replace the computer board Perform a new eccentricity measurement Perform a new eccentricity measurement Perform a new eccentricity measurement Position the eccentricity measurement sonar correctly before performing the measurement Check eccentricity sonar connections Check the power supplies on the power board Replace the eccentricity measurement sonar Make sure that the wheel does not halt before completing at least 4 5 revolutions after the first braking impulse Replace the computer board Position the eccentricity measurement sonar correctly before performing
10. plane On the screen a value is shown near the word POS if it is 256 3 set the gauge to rest position otherwise press it has erroneously been accessed to cancel the diameter gauge calibration function if 8 3 1 3 Width gauge calibration When calibrating the width gauge set a measurable di mension as follows A GAUGE ZERO DISTANCE SONAR ZERO DISTANCE 0 Zero calibro DISTANZA Special calibrations and functions Press F1 F2 to set the distance in mm between the SONAR sensor and the distance gauge clip in pos 0 to confirm to cancel the width gauge calibration function if it has erroneously been accessed IE 9 Z LLI 8 3 2 Balancing machine calibration To calibrate the balancing machine use a wheel with steel rim of average dimensions e g 6 x 14 1 To properly perform the procedure Mount a wheel on the machine even unbalanced and very carefully set its dimensions INDICATION Setting incorrect measurements will result in the machine not being correctly calibrated and balancing of subse quent wheels will hence be incorrect until the machine is recalibrated with the correct measurements Follow the on screen instructions WHEEL BALANCING MACHINE SELF TEST An automatic self diagnostic cycle is provided for easier trouble shooting aq Consult the extraordinary mainte nance manual or conta
11. reference to resolve any interpretation controversies related to the translation into the European Community languages This publication forms an integral part of the machine and must therefore be kept for future reference until final dismantling and scrapping of the machine Introduction 1 2 PURPOSE OF THE MANUAL This manual and the installation manual contains the instructions required to use the machine safely and carry out routine maintenance work Any calibrations adjustments and extraordinary mainte nance operations are not considered in this document as they may only be performed by the service engineer who must work on the machine according to the technical and rated characteristics for which it was built Though it is fundamental to read this manual it cannot replace skilled technical staff who must be adequately trained beforehand The foreseen use and configurations of the machine are the only ones allowed by the manufacturer do not attempt to use the machine in a different way Any other use or configuration must be agreed in advance with the manufacturer in writing and in this case an annex will be attached to this manual For use the user must also comply with the specific workplace legislation in force in the country where the machine is installed The manual also refers to laws directives etc that the user must know and consult in order to accomplish the goals that the manual sets out to achieve 1 3
12. where the 3 support points are located never under any circustance apply force to other points such as the spindle head or accessory shelf It functions properly without having to fasten it to the floor with wheels weighing up to 35 kg for heavier wheels fasten it at the points indicated Thanks to the new and exclusive VDD Virtual Direct Drive system reliable unbalance measurements can be made in a short time almost half the time of the cycle used with respect to other balancers in this range CONTROL PANEL WEIGHT TOOL HOLDER LOCK NUT AUTOMATIC GAUGE COLLAR VERS SE BRAKE BP PEDAL P ER CDS DS xe The main features include machine settings menu Optimisation of tyre and rim unbalance STATIC programme ALUS SPLIT USER control indication of exact correction weight position Self diagnostics Self calibration IC not enabled for Canada and the USA eccentricity optimization option automatic minimisation of static unbalance 2 2 TECHNICAL SPECIFICATIONS The following data refers to the balancer in its standard configuration 4 7 sec 5 3 4 x14 15 Kg o o BAR EE 7371717 AN TET 2 3 DIMENSIONS AND WEIGHTS 1280 1995 5 1450 1241
13. 11 11 11 11 11 11 12 13 13 14 14 14 14 15 15 16 16 17 17 17 17 18 19 10730_0731 11 09 Rev B 6 1 6 2 7 1 7 2 1 3 7 4 7 5 7 6 1 1 7 8 7 9 MENU ACCESS DIAGRAM UNBALANCE OPTIMIZATION SETUP LANGUAGE UNIT OF UNBALANCE MEASUREMENT TOLERANCE ALSO SEE CORRECTION METHOD UNBALANCE DISPLAY PITCH SPIN WITH GUARD CLOSED SCREEN SAVER TIME VISUAL ECCENTRICITY CHECK ACOUSTIC SIGNAL CORRECTION METHOD 7 9 1 Standard correction method 7 9 2 External plane correction method 7 9 8 I C intelligent correction correction method The option is not enabled for Canada and the USA 7 10 EJ FOR I C 8 2 8 3 10 10 1 11 11 1 SPECIAL CALIBRATIONS AND FUNCTIONS OPTIONS 8 1 1 Enabling of width measurement 8 1 2 Enabling of eccentricity measurement 8 1 3 Control of serial output RS232C PRESETTING THE CUSTOMER AND USER NAME CALIBRATIONS 8 3 1 Gauge calibration 8 3 1 1 Distance gauge calibration 8 3 1 2 Diameter gauge calibration 8 3 1 3 Width gauge calibration 8 3 2 Balancing machine calibration WHEEL BALANCING MACHINE SELF TEST DIAGNOSTICS MAINTENANCE GENERAL 10 1 1 Introductory notes 10 1 2 Safety rules 10 1 3 Replacing fuses DISPOSAL DISPOSING OF THE BALANCER 11 2 DISPOSING OF ELECTRONICS COMPONENTS 12 SPARE PARTS 12 1 13 IDENTIFICATION AND ORDERING METHOD ATTACHED DOCUMENTATION 19 20 20 20 20 20 21 21 21 21 21 21 21 21 21
14. DTH GAUGE OPTIONAL Width gauging is through a SONAR device which measures the distance of the wheel without mechanical contact merely by closing the guard and each time a valid measurement has been made with gauge AUTOMATIC DISTANCE AND DIAMETER GAUGE 10 Control panel Use and maintenance manual Rev 09 2009 5 Use of the wheel balancer The monitor shows several information and suggests various alternative ways of use to the operator This is through various screens 5 1 INITIAL SCREEN m 85 Fine Static Buttons enabled ye GEE balancing spin see RESULT OF MEASUREMENT main functions screen a MENU ACCESS DIA GRAM selecting static correction Dimensions gauge when extracted the Dimensions screen is selected a PRESETTING OF WHEEL DIMENSIONS If the machine remains on the initial screen for a certain amount of time without being used the system is automatically switched to a screen save Striking of any key movement of the wheel of distance diameter gauge will cause automatic switching from the screen save menu to the initial screen Use of the wheel balancer EE 9 Z LLI 5 1 1 SCREEN SAVE SCREEN Name of the wheel balancer s owner Can be preset via the monitor CEMBIE 5 2 PRESETTING OF WHEEL DIMENSIONS 5 2 1 Automatic presetting also correc TION MODE The screen appears upon removing the distance diame ter gauge The dimensi
15. ION Rotate the tyre on the rim by 180 RESULT no improvement is obtained 5 5 1 Presetting of tolerance on the machine There is no general rule concerning acceptability of an eccen tricity value As a first approximation we consider it correct to use a threshold of 1 to 1 5 mm The E ECE 324 standard prescribes 1 5 mm as max eccentricity of a rebuilt tyre 5 5 2 Value of static unbalance correlated with eccentricity Clear indication is given in the Measurement screen of both the value and position of the static unbalance as well as the eccentricity In fact it is interesting to check the correlations of the two values above all of the two positions When the two positions have a similar angle 30 one from the other there is a clear sign that an eccentricity is present which can be compensated by matching 5 5 3 Value of unbalance corresponding to eccentricity For user s reference the centrifugal force is calculated corre sponding to a certain speed compared to the force generated by the eccentricity present on the tyre calculated with an approximate average elastic constant Use of the wheel balancer ECCENTRICITY MEASUREMENT OPTIONAL The much enlarged figures show the outer tyre surface and axis of wheel rotation o0 Fig A shows measurement of the total Peak to Peak eccentricity defined as maximum radial deviation of the tyre surface Fig B shows measurement of the eccentricity of the 1st har
16. T TRUCK used to improve the dimensional calibration of large diameter wheels such as off road trucks wheels which protrude significan tly from the rim Press the L T key after distance measurement immediately before lowering the guard for Width Measurement The option is disengaged at the end of current Width Measurement Selecting the manual dimension preset ting screen Q QQ Return to initial screen Balancing run Use of the wheel balancer 5 2 2 Manual presetting ae 9 Z LLI Unita ALU S End 9 6 17 If necessary the dimensions can be inserted or edited in manual mode as follows press press o to select the dimension to be preset red press to preset the required value press s to change unit of measurement press Q o preset the dimensions for the ALUS correction mode Definition of dimensions for correction using spring weights d DIAMETER Preset the nominal diameter stamped on the rim b WIDTH Preset the nominal width indicated on the rim 148 STANDARD WHEELS a DISTANCE Preset the distance of the inside of the wheel from the machine after measuring it with relative gauge ur ud ur EP qu i 4 i d In the event of correction type other than standard spring weight follow the instructions on the screen for correct detection of dimensions
17. Use and maintenance manual General Index 1 1 1 1 2 1 3 1 4 1 5 1 6 ler FOREWORD GENERAL PURPOSE OF THE MANUAL WHERE AND HOW TO KEEP THE MANUAL MANUAL UPGRADES COLLABORATION WITH USERS MANUFACTURER MANUFACTURER S RESPONSIBILITY AND WARRANTY 1 7 1 TERMS OF WARRANTY 1 8 1 9 2 2 1 2 2 2 3 3 4 1 4 2 5 1 9e 5 3 5 4 9 0 5 6 TECHNICAL ASSISTANCE SERVICE COPYRIGHT TECHNOLOGICAL DESCRIPTION PURPOSE TECHNICAL SPECIFICATIONS DIMENSIONS AND WEIGHTS STARTING CONTROL PANEL AND COMPONENTS AUTOMATIC DISTANCE AND DIAMETER GAUGE AUTOMATIC WIDTH GAUGE OPTIONAL USE OF THE WHEEL BALANCER INITIAL SCREEN 5 1 1 SCREEN SAVE SCREEN PRESETTING OF WHEEL DIMENSIONS 5 2 1 Automatic presetting also CORRECTION MODE 5 2 1 1 Standard wheels 5 2 1 2 Automatic width measurement optional 5 2 1 3 ALUS wheels 5 2 2 Manual presetting USER CONTROL 5 89 1 To save USER 5 3 2 To call USER RESULT OF MEASUREMENT 5 4 1 Indication of exact correction weight position 5 4 2 SPLIT control 5 4 3 Automatic minimization of static unbalance WHEN AND WHY MATCHING 5 5 1 Presetting of tolerance on the machine 5 5 2 Value of static unbalance correlated with eccentricity 5 5 3 Value of unbalance corresponding to eccentricity ECCENTRICITY MEASUREMENT OPTIONAL 5 6 1 Eccentricity optimisation MENU a o i o LLI N OO O0 IO anak fF FP HWW WW Q e 10 10
18. Ze 22 22 22 22 22 23 23 23 23 23 23 23 23 24 26 26 26 26 26 27 2f 27 27 27 27 Use and maintenance manual Rev 09 2009 1 Foreword A WARNING THIS MANUAL IS AN INTEGRAL PART OF THE INSTALLATION MANUAL WHICH SHOULD BE CONSULTED CONCERNING STARTING AND USING THE MACHINE SAFELY 1 1 GENERAL The machine has been constructed in conformity with the current EC Directives and the technical standards imple menting the requirements as stated in the declaration of conformity issued by the manufacturer and attached to the manual This publication hereinafter simply referred to as man ual contains all the information required to safely use and service the machine referred to in the Declaration of Conformity This appliance hereinafter is generically referred to as machine The manual addresses operators instructed on the precau tions to take in relation to the presence of electric current and moving devices This publication is intended for all users who as far as within their competence need to and or are obliged to give instructions to others or operate on the machine themselves These persons can be identified as follows operators directly involved in transporting storing installing using and servicing the machine from when it is put on the market until when it is scrapped direct private users The original Italian text of this publication constitutes the only
19. air the operation of the wheel balancing machine Unauthorized use will cause cancellation of the warranty on the machine 8 31 OPTIONS 8 1 1 Enabling of width measurement Thisfunction enables disables automatic width measurement with SONAR or contact device always select SONAR 8 1 2 Enabling of eccentricity measurement Enables disables measurement of the tyre eccentricity during an unbalance measurement spin 8 1 3 Control of serial output RS232C This option enables disables the sending of the measured unbalance and phase values to serial output RS232C Transmission speed 9600 baud Data format bit Start bit Data 1 bit Even parity 1 bit Stop Atthe end of each unbalancing measuring spin the balancing machine enables the RTS signal then places the character on standby to be able to transmit the data all functions remain on hold until data transmission is enabled at the end of which the RTS signal is reset to the inactive state The items of data transmitted via serial line are in ASCII format and are separated between each other by the cr character 0x0d Sending sequence is as follows 00000 cr Value of correction weight left side lt cr gt Correction phase left side lt cr gt Value of correction weight right side lt cr gt Correction phase right side lt cr gt The first 5 zero bytes represents the start of transmission message The correction values are expressed in gra
20. c equipment manufacturers and users to comply with a number of obliga tions concerning the collection treatment recovery and disposal of this waste Please scrupulously comply with these waste disposal regulations Remember that abusive dumping of this waste leads to the application of the administrative penalties established by current law Disposal Spare parts Attached documents 12 Spare parts IDENTIFICATION AND ORDERING METHOD 12 1 The various parts can be identified using the drawings and diagrams in the machine technical file which is archived by the Manufacturer to which a request can be made For off the shelf parts the technical manuals or the supplier s original documents can be provided if the Manufacturer deems this to be useful If not supplied this documentation is also included in the machine Technical File archived by the Manufacturer as regards by Ministerial Decree 98 37 EC In this case contact the Technical Service to identify the required piece If the required pieces are not in any position or they can not be identified contact the Technical Service specify ing the type of machine its serial number and year of construction This information is indicated on the machine identifica tion plate 13 Attached documentation If notsupplied this documentation is included in the Techni cal File of the machine archived by the Manufacturer In this case contact the Technical Se
21. ct Technical Service 8 4 23 Use and maintenance manual Rev 09 2009 9 Diagnostics E 9 E Z LLI WARNING THE INFORMATION IN THE POSSIBLE REMEDY COLUMN REQUIRES WORK TO BE PERFORMED BY SPECIALIST TECHNICIANS OR OTHER AUTHOR ISED PEOPLE WHO MUST ALWAYS WORK USING THE PERSONAL PROTECTIVE EQUIPMENT INDICATED IN THE INSTALLATION manuaL IN SOME CASES THIS WORK CAN BE PERFORMED BY A NORMAL OPERATOR ERRORS CAUSES CONTROLS Black The wheel balancer does not switch on Verify correct connection to the mains Verify and eventually replace the fuses on the power card Verify monitor function Replace the computer board Err 1 No rotation signal Check in self diagnostics that the encoder functions properly Replace the phase pick up board Replace the computer board Make sure that a vehicle wheel is mounted on the wheel balancer Check in self diagnostics that the encoder functions properly Disconnect the piezo connectors from the board and do a spin if no error is detected replace the piezo sensors Replace the computer board Err 2 Speed too low during detection During unbalance measurement rotation wheel speed is less than 42 rpm DEA ess os e Tor es Err 3 Unbalance too high Verify wheel dimension settings Check detection unit connections Perform machine calibration Mount a wheel with more or less known unbalance less than 100 grammes and verify the response of the machin
22. e pope ecu 5 Replace the computer board Err 4 Rotation in opposite direction Check in self diagnostics that the encoder functions properly After pressing START the wheel Check the bearing spring of the phase generator starts turning in the opposite direction anticlockwise Err 5 Guard open Reset the error by pressing pushbutton 7 End The START pushbutton was pressed without first closing the guard Close the guard Verify the function of the protection uSwitch Press the START pushbutton Repeat machine calibration Shut down the machine Wait for a minimum time of 1 Min Re start the machine and verify correct operation Replace the computer board Err 9 NOVRAM parameter write error Replace the computer board Err 11 opeed too high error Check if there is any damage or dirt on the timing disc During unbalance measurement rotation Check in self diagnostics that the encoder functions properly wheel speed is more than 270 rpm Replace the computer board Err 7 NOVRAM parameter read error Err 8 pisse Pos gie e der ee Err 12 Unbalance measuring cycle error Verify phase pick up board function Verify correct motor operation Replace the computer board Err 13 Unbalance measurement error 1 Check in self diagnostics that the encoder functions properly Err 14 2 Check detection unit connections Err 15 3 Verify machine earth ground connection Err 16 4 Mount a wheel with
23. h the instructions in the operating manual incorrect electrical connections The warranty is invalidated in case of repairs made by people who were not authorised by the manufacturer modifications that were not authorised by the manu facturer use of parts and or equipment that were not supplied or approved by the manufacturer removal or alteration of the machine identification plate Introduction Use and maintenance manual Rev 10 2009 1 8 TECHNICAL ASSISTANCE SERVICE For technical assistance requirements contact the Manu facturer or authorised Dealer directly always quoting the model and serial number of the machine punched on the identification plate 1 9 COPYRIGHT The information contained in this manual may not be disclosed to third parties Partial or total duplication un less authorised by the Manufacturer in writing through photocopying duplication or other systems including electronic acquisition is breach of copyright and can lead to prosecution Introduction IE 9 Z LLI EE 9 E Z LLI Use and maintenance manual Rev 09 2009 2 Technological description 2 1 PURPOSE The C73 L C73 L SE is used to balance the wheels of cars vans 4 WD motorcycles and scooters weighing less than 75 Kg It can be operated in the temperature range of 0 to 45 C The machine can operate only on flat non resilient floor To lift the machine lever only on the base
24. ic requirements of the customer Setup 7 9 1 Standard correction method The wheel balancer considers the unbalance within tole rance when the value of each single plane is lower than the tolerance set 7 9 2 External plane correction method If correcting with adhesive weights the unbalance is considered within tolerance when the recalculated external plane weight clip on weights is lower than the tolerance set Additional windows appear on the screen always displaying the residual external plane value clip on weight 7 9 3 I C intelligent correction correction method The option is not enabled for Canada and the USA The correction plane unbalance is considered within tole rance when both the STATIC and the DYNAMIC TORQUE unbalances are lower than the tolerance set This correction method allows considerably reducing the weight to be applied yet maintaining excellent balancing quality An icon appears on the screen showing the value of weight saved with respect to standard balancing 21 IE 9 Z LLI BE 9 E Z LLI If a special icon appears near the button it means that the wheel balancer is suggesting static balancing however such that also the dynamic torque unbalance will be brought within tolerance When pressing the button the position repeater frame is accessed which clearly indicates where the weight should be positioned in the rim 710 E FOR1 C
25. ition of the unba lance INDICATION OF EXACT CORRECTION WEIGHT POSITION is enabled For selection of special functions Use of the wheel balancer Use and maintenance manual Rev 09 2009 o Balancing spin INDICATION If the machine remains on this screen without being used for more than the time preset in the Setup parameters the screen automatically returns to the screen save 5 4 1 Indication of exact correction weight position It is possible use this function in the event of correction of the external side using an adhesive weight placed inside the rim Remember to thoroughly clean the application areas This function allows cancelling approximations in the mounting of counterweights with consequent reduction of the residual unbalance From the measurement results frame Press button from the Measurements screen Pull out the rim distance diameter gauge in position A figure in STANDARD WHEELS Approach of the weight to the correction position is indicated by a moving coloured arrow A When a fixed arrow V is reached rotate the wheel to correction position Fl or FE and apply the counterweight by turning the tip of the gauge towards the outside into the position in which the pincers touches the wheel Compensation is made for the fact that the weight appli cation position is no longer at 12 o clock where appro priate use the weight pusher INDICATION when the acoustic signal is enabled
26. l Hev 10 2009 5 4 RESULT OF MEASUREMENT After performing a balancing spin the unbalance values are displayed as well as arrows useful for positioning the point of application of the correction weight After positioning of the wheel apply the weight in the 12 o clock position When the beep signal is enabled 1 ACUSTIC SIGNAL reaching of the correction position is accompanied by a beep If the unbalance is less than the chosen threshold value the OK appears instead of the unbalance value to indicate on that particular side the wheel is in tolerance the resi dual unbalance can be displayed by pressing button with an accuracy of 0 5 g 0 1 oz The following buttons are enabled Display of residual unbalance Selection of correction mode STATIC DUAL SURFACE When the mode is changed the unbalance values are recalculated automatically on the basis of the previous spin When this push button is held down for more than 1 5 seconds eccentricity measurement is temporarily disenabled enabled in SPECIAL FUNCTIONS To re enable eccentricity measure ment press push button 4 again for more than 1 5 seconds Every time the machine is switched on the status of eccentricity measurement reflects the settings in SPECIAL FUNCTIONS Split control for splitting of unbalance over preset table components SPLIT CONTROL Button only enabled in STATIC or ALUS correction Indication of the longitudinal pos
27. ment of both sides if the difference between the inner and outer diameters is greater than or equal to 2 the system sets the inner side spring weight To modify this presetting press the button If the width measured is incorrect out of range the following message appears Sonar measure is out of range F1 repeat F2 manual set up Press F1 to re lower the guard and repeat the width measu rement Press F2 to go to the dimensions panel for manual Use of the wheel balancer Use and maintenance manual Rev 10 2009 insertion of the width measurement Manually presetting is possible by using the push buttons as described in MANUAL PRESETTING 5 2 1 3 ALUS wheels After the measurement performed for the Fl inner side as indicated in the figure below pull out the gauge again to store the data for the FE outer side choose position A or B at your choice Keep this position for at least 2 seconds The counterweight symbols change colour When the acoustic signal is enabled 1 ACOUSTIC SIGNAL the acquisition is accompanied by a beep FI FE LA fL Position of adhesive weights After having detected the dimensions use the key to indicate the type of correction selected for the inner side The following buttons are enabled o e Management of save user recall o Selection of clip or adhesive weight for inside Only for automatic width option The L T key LIGH
28. monic i e the eccentricity of that circle which recopies the tyre shape by averaging the local deviations of the tyre from the round shape 5 6 Obviously the P P measurement is normally greater than that of the 1st harmonic Tyre manufacturers normally supply two different tolerances for the two eccentricities At the end of the balancing spin it is possible to automatically measure the eccentricity of the tyre through the SONAR sensor installed on the guard The sensor should be positioned by hand in front of the tyre tread GRAPH 1 yellow eccentri city GRAPH 2 red represents the eccentricity of the 1st harmo nic For a wheel in optimum conditions such graph should approach a straight line represents the actual Peak to Peak While rotating the wheel the screen cursor indicates the current value with the stage referred to the eccentricity me asurement sensor 17 IE 9 Z LL JE o ur Z LLI The following buttons are enabled Start an eccentricity optimisation procedure see ECCENTRICITY OPTIMISATION A box is displayed indicating the offset effect that that eccentricity of the first harmonic measured may have at an average speed of 120 Km h Return to measurement screen In the event that the value of the first harmonic is higher than 1 2 mm at the end of eccentricity measurement the following window appears PAY ATTENTION The following buttons
29. ms in steps of 1 gram The phase values are expressed in degrees in the range 0 359 See specific computer board on exploded drawings Special calibrations and functions Use and maintenance manual Rev 10 2009 PRESETTING THE CUSTOMER AND USER NAME The machine can be customized by presetting a The name appearing on the Initial screen screen save b The name of 4 different machine users USER NAME An ideal keyboard appears on the monitor with the set of characters available for composition of the wordings The Customer s name consists of three lines each max 30 characters The USER NAME consists of a wording max 15 characters 8 2 8 3 CALIBRATIONS When is pressed from the Special Functions menu access is gained to the Calibration menu 8 3 1 Gauge calibration 8 3 1 1 Distance gauge calibration To calibrate the distance gauge set it in rest position and then on the adapter plane When done set the gauge in rest position If calibration is correct the wheel balancer is ready for operation otherwise an error message may be displayed if there are errors or malfunctioning in this case repeat calibration s to cancel the distance gauge calibration function if has erroneously been accessed 8 3 1 2 Diameter gauge calibration To calibrate the diameter gauge place it on the adapter flange and press For better calibration turn the gauge downward and position it 40 mm away fromthe adapter
30. nd maintenance manual Rev 10 2009 5 4 3 Automatic minimization of static unba lance Initial unbalance Sx dx phase shift 59 Possible approximations SX dx residual static 6 g SX dx SX dx l residual static 3 g residual static 1 g With conventional Choice with minimum wheel balancer static residual This program is designed to improve the quality of balancing without any mental effort or loss of time by the operator In fact by using the normal commercially available weights with pitch of 5 in every 5 g and by applying the two counterweights which a conventional wheel balancer rounds to the nearest value there could be a residual static unbalance of up to 4 g The damage of such approximation is emphasized by the fact that static unbalance is cause of most of disturbances on the vehicle This new function resident in the machine automatically indicates the optimum entity of the weights to be applied by approximating them in an intelligent way according to their position in order to minimize residual static unbalance 5 5 WHEN AND WHY MATCHING The software associated with eccentricity measurement is a powerful tool for determining the need to perform relative rotation between the rim and tyre in order to reduce the eccen tricity of the wheel down to acceptable limits The principle adopted is based onthe consideration that a rim with acceptable tolerance mounted with an acceptable tyre can s
31. ng specialist activities on the equipment particu larly if the guards need to be dismounted exposes people to serious danger due to the presence of potentially live parts The rules shown below must be scrupulously followed People must always use the Personal Protective Equip ment indicated in the Installation Manual During activi ties unauthorised people may not access the equipment and WORK IN PROGRESS signs will be erected in the department in such a way that they are visible from every place of access 26 Use and maintenance manual Hev 09 2009 Specialist staff must be authorised and especially trained concerning the dangers that may arise during operation and the correct methods for avoiding them They must always work with great care and pay full at tention If exceptionally the staff removes the guards to carry out a particular specialist technical maintenance inspection or repair job they are required to put them back after work After work staff must make sure that foreign objects in particular mechanical pieces tools or devices used dur ing the operative procedure that could cause damage or malfunctions are not left inside the balancer For safety before starting work maintenance inspection and repair staff must disconnect all power sources and take all the necessary preventive safety measures As well as operating frequencies the operations described below indicate the qualifications that staff m
32. nterweights fixed in steps of 5 grams 1 4 02 7 5 SPIN WITH GUARD CLOSED When ON is selected the automatic start of the spin is enabled when the guard is closed 7 6 SCREEN SAVER TIME If this function is enabled the screensaver will automa tically be activated when the machine is not used for a certain period of time This function can be disabled by setting it to O 7 7 VISUAL ECCENTRICITY CHECK At the end of wheel acceleration as soon as the motor is disengaged the guard can be opened for visual control of any wheel eccentricity as the rotation speed gradually drops Do not strike the wheel during the entire decelera tion stage to brake the wheel close the guard However avoid using the brake as far as possible because this may compromise unbalance measurements The unbalance values measured are only displayed when the wheel has come to a standstill This function is active for only one machine run 7 8 ACOUSTIC SIGNAL When ON is selected the sending of an acoustic signal beep is enabled in the following cases when any push button is pressed when dimensions are acquired in automatic mode whenthe correct angular position for weight application is reached in the Measurement screen whenthe correct angular position for weight application is reached in the Position Repeater screen 7 9 CORRECTION METHOD One of the three possible correction methods can be selec ted based on the specif
33. on acquired message is indicated by the correction weight symbol which changes from blue to red 5 2 1 1 Standard wheels Using the special grip move the end of the gauge against the rim in one of the positions A B indicated in the figure 11 a 9 E Z LLI b Adhesive weight in the position indicated below D os INDICATION Always use the round part of the striker plate Hold the gauge in position for at least 2 seconds If the acoustic signal is enabled aq ACOUSTIC SIGNAL the acquisition of the dimensions is accompanied by a beep Set the distance diameter gauge to the rest position the current width value is displayed inside the tyre Load Save 1 4 12 Use and maintenance manual Rev 10 2009 The other enabled buttons are Select the type of weight to apply 146 Q O CORRECTION ME THODS o I J User call save control Set the nominal width which is normally shown on the rim or measure the width b with the caliper gauge provided Return to initial frame o Launch balancing 5 2 1 2 Automatic width measurement optional Gradually lower the guard after carrying out measurement of distance diameter in automatic mode It is possible to place the correction weights as required by pressing pushbuttons and Load Save J al rs Manual End 1 2 9 6 17 INDICATION In the event of automatic measure
34. ownership of the machine which must always be accompanied by the use and maintenance manual the original user must inform the manufacturer of the name and address of the new user in order to allow it to send the new user any communications and or updates deemed to be indispensable This publication is the property of the Manufacturer and may not be fully or partly reproduced without prior written agreement 1 6 MANUFACTURER The machine identification data is indicated on the plate mounted on the machine The plate below is shown for the sake of example AR SL PL Kgicm 1 7 MANUFACTURER S RESPONSIBILITY AND WARRANTY In order to make use of the manufacturer s warranty the user must scrupulously observe the precautions contained in the manual in particular he must never exceed the limits of use of the machine always constantly and carefully clean and service the machine have the machine used by people of proven capacity and attitude adequately trained for the purpose The manufacturer declines all direct and indirect liability caused by useofthe machine in a different way from thatindicated Use and maintenance manual Hev 10 2009 in this manual use of the machine by people who have not read and fully understood the contents of this manual use in breach of specific regulations in force in the country of installation modifications made to the machine software and op erating logic unles
35. r les roues avec le c ne de l int rieur voir dessin Eviter d utiliser le manchon RL avec les jantes en fer Wenn moglich die Rader mit Konus von Innen heraus zentrieren siehe Zeichnung Bei Eisenfelgen die Verwendung der Muffe RL vermeiden Siempre que sea posible centrar las ruedas con cono desde dentro v ase dibujo Evitar usar el manguito RL con llantas de hierro Quando possivel centre as rodas com cone pelo lado de dentro ver figura Evite utilizar a luva RL com jantes de ferro SE2 DISMOUNTING Em 9 E Z LLI Use and maintenance manual Rev 09 2009 4 Control panel and components FUNCTION KEYS they directly select the function on screen uu er e Confir Starts measuring Stops machine Selection of special cycle cycle function CAUTION PRESS THE BUTTONS WITH YOUR FINGERS NEVER USE THE COUNTERWEIGHT GRIPPERS OR OTHER POINTED OBJECTS THE TFT monitor is NOT A TOUCH SCREEN TYPE 4 1 AUTOMATIC DISTANCE AND DIAMETER GAUGE This gauge allows measurement of the distance of the wheel from the machine and the wheel diameter at the point of appli cation of the counterweight It also allows correct positioning of the counterweights on the inside rim by using the specific function INDICATION OF EXACT CORRECTION WEIGHT POSITION which allows reading on the monitor the position used for the measurement within the rim for calibration see the corresponding section 4 2 AUTOMATIC WI
36. rvice for detailed information concerning the machine 27 EE 9 Z EN
37. s authorised by the manufacturer in writing unauthorised repairs exceptional events Transfer of the machine to a third party must also include this manual failure to include the manual automatically invalidates all the rights of the purchaser including the terms of warranty where applicable Ifthe machine is transferred to a third party in a country with a different language from the one written in this manual the original user shall provide a faithful translation of this manual in the language of country in which the machine will operate 1 7 1 Terms of warranty The Manufacturer guarantees the machines it manufac turers against all manufacturing or assembly faults for 12 twelve months from the date of collection or delivery The Manufacturer undertakes to replace or repair any part which it deems to be faulty free of charge at its factory carriage paid If a Manufacturer s repairman or a person authorised by the same is required to work at the user s facilities the relative travel expenses and board and lodging shall be charged to the user The free supply of parts under warranty is always subject to the faulty part being inspected by the manufacturer or a person authorised by the same The warranty is not extended following repairs or other work done to the machine The warranty does not cover damage to the machine deriving from transport neglect improper use and or use not in compliance wit
38. tatistically generate a total eccentricity which is not acceptable but can be improved by matching Generally speaking rim measurement is not necessary accurate or useful because To measure the rim it is necessary to remove the tyre There can by coarse errors on the outside e g alumi nium wheels The two rim sides can be eccentric in a very different way Therefore to which one to make reference What is the effect on the tyre mounted Toimprove the eccentricity of a wheel the rim should be eccentric to compensate the tyre And viceversa If after a rotation by 180 of a wheel the value is still out of tolerance either the tyre or rim are too eccentric One of the two must be replaced 16 Example 1 Him 4 0 8 mm Tyre 0 6 mm Wheel 1 3 mm Eccentricity of the wheel is excessive due to an acceptable rim or tyre but randomly placed in an unfortunate relative position SOLUTION Rotate the tyre on the rim by 180 RESULT wheel eccentrigiyamgle Q 4 mm in tolerance Ideal wheel o 8 rotation axle Him 4 0 8 mm Tyre 0 6 mm Wheel 0 3 mm Eccentricity of the single items has been compensated The wheel is acceptable Use of the wheel balancer Use and maintenance manual Rev 10 2009 Example 3 wheel Ideal wheel rotation axle Rim 0 mm Tyre 1 2 mm Wheel 1 2 mm Eccentricity of the wheel cannot be compensated by the rotation because the rim is perfect SOLUT
39. th pneumatic locking constant thrust air spring connect the wheel balancer to the compressed air mains The connection fitting is located at the back of the machine At least 8 Kg cm 0 8 MPa 8 BAR 115 PSI pressure is needed for cor rect operation of the release device In the normal version the pedal controls a mechani cal brake which facilitates locking the locking ring and positioning the wheel for correction In the pneumatic version it allows fastening relea sing the wheel on the adapter using the collar The pedal has two stable positions upper position for unlocking lower position for locking the wheel The wheel is automatically locked when it reaches the correct angular position for application of the weight on the inside and outside by turning it slowly by hand To release the wheel turn it forcefully to move it from the correct correction position If the unbalance is within tolerance the wheel is locked automatically 10 To switch on the balancer press the switch on the left hand side of the machine EE 9 Z LLI SE2 Mounting SE2 MOUNTING SE2 Dismounting Quando possibile centrare le ruote con cono dall interno vedi disegno Evitare di usare il manicotto RL con cerchi di ferro Whenever possible centre the wheels with the cone from the inside see the drawing Avoid using the RL sleeve with metal rims Lorsque c est possible centre
40. the measurement Make sure that the wheel does not halt before completing at least 4 5 revolutions after the first braking impulse Mount a wheel of medium dimensions 14 x5 4 and perform an eccentricity measurement If in these conditions error 55 no longer occurs this means that the wheel inertia causing the problem is such as to half the wheel before having acquired the minimum number of values necessary for reliable eccentricity measurement 25 ENGLISH BE 9 E Z LLI 10 Maintenance 10 1 GENERAL A CAUTION BEFORE PERFORMING ANY MAINTENANCE OPERATIONS MAKE SURE THE MACHINE HAS BEEN DISCONNECTED FROM THE MAINS POWER SUPPLY ALWAYS USE THE PERSONAL PROTECTIVE EQUIPMENT INDICATED IN THE INSTALLATION MANUAL 10 1 1 Introductory notes This machine has been designed so as not to require rou tine maintenance apart from accurate periodic cleaning It is important to keep the machine perfectly clean in or der to prevent dust or impurities from compromising the operation of the balancer A WARNING THE PEOPLE RESPONSIBLE FOR CLEANING THE AREA WHERE THE MACHINE IS INSTALLED MUST WEAR PERSONAL PROTECTIVE EQUIPMENT IN ORDER TO WORK IN SAFETY AND ACCORDING TO THE CURRENT OCCUPATIONAL HEATH AND SAFETY REGULATIONS As extraordinary maintenance must be performed by service staff or in any case by specifically authorised and trained people is not dealt with in this manual 10 1 2 Safety rules Performi
41. ust possess in order to perform the operation 10 1 3 Replacing fuses Some protection fuses are located on the power board see wiring diagrams accessible by dismantling the weight shelf If fuses require replacement use ones with an identical current intensity Maintenance Use and maintenance manual Rev 09 2009 11 Disposal CAUTION THE INSTRUCTIONS IN THIS CHAPTER ARE INDICATIVE REFER TO THE REGULATIONS IN FORCE IN THE COUNTRY WHERE THE EQUIP MENT IS USED 11 14 DISPOSING OF THE BALANCER The balancer must be disposed of after dismounting the various parts For disposal operations as well as wearing the Personal Protective Equipment indicated in the INSTALLATION MANUAL refer to the instructions and diagrams in this manual If necessary request specific information from the manufacturer After dismounting the various parts sort the various com ponents separating metal from plastic from copper etc according to the sorted waste disposal regulations in force in the country in which the equipment is dismantled If the various components must be stored before being taken to the dump make sure to keep them in a safe place protected from atmospheric agents in order to prevent them from contaminating the ground and the water table 11 2 DISPOSING OF ELECTRONICS COMPONENTS Community directive 2002 96 EC assimi lated in Italy with legislative decree n 151 of 25th July 2005 requires electrical and electroni
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