C75/2-L (B)
Contents
1. Return to measurement screen 5 8 1 Eccentricity optimisation This procedure is used to assess the possibility of adequately 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 Mark the rim and the tyre in the positions indicated on screen and move the tyre on the rim until the marks coincide Prints the eccentricity values read option Return to measurement panel N B All the eccentricity measurement values can be displayed in INCHES by selecting this option from the setup parameters see ECCENTRICITY UNIT OF MEASURE 10522 GB 27 6 Setup see Diagram showing access to the menus 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 return to previous window MENU return to Measurement screen from 1 to for selection of the parameter 6 1 Language This function allows selecting the language to be used for displaying descriptive and diagnostic messages regarding machine operation 6 2 Unit of unbalance measurement It is possible to select whether to display the unbalance values expressed in grams or oun2. residual static g With conventional Choice with minimum wheel balancer static residual 10522 GB 22 Combined balancing clip on weight inside and adhesive hidden weight outside Mercedes 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 6 Statistics Reset Reset Reset Reset 1 2 3 4 DAILY N OF RUNS Indicates the number of runs performed as from switching on the machine Such parameter is automatically reset after switching the machine off TOTAL N OF RUNS Indicates the number of runs starting from the date indicated in square brackets This parameter remains memorized even when the machine is switched off DAILY WEIGHT SAVED Indicates the weight saved when using the IC instead of the standard correction method from t
3. Operating instructions 1 Contents page e 3 1 1 GENERAL SAFETY RECOMMENDATIONS 3 1 2 FIELD OF APPLICATION M 3 1 3 OVERALL DIMENSIONS 42 3 UE SPECIFICA P 4 2 CP Ng cm 4 I ijt cp 5 M 5 3 2 ELECTRICAL CONNECT ION 5 3 3 PNEUMATIC CONNECTION SE VERSION 0 5 3 4 EXTRA SAFETY DEVICES SE VERSION 5 3 5 ADAPTER 9 9 INI CN TC 5 3 6 GUARD MOUNTING AND ADJUST MEIN Lic uicui acit d onaedd ut tesuda epus nec rapa 8 UNES em AP mM 8 CONTROLS AND 9 E En Mr e t eee ere ae 9 4 2 PNEUMATIC LOCKING PEDAL SE VERSION 2 AY 9 4 3 AUTOMATIC DISTANCE AND DIAMETER GAU
4. e To improve the eccentricity of a wheel the rim should be eccentric to compensate the tyre And viceversa e f 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 wheel Example 1 Him 0 8 mm Ideal wheel 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 rotation axle SOLUTION RESULT Rotate the tyre on the rim by 180 wheel eccentricity 0 3 0 4 mm in tolerance Example 2 Ideal wheel Rim 0 8 mm Tyre 0 6 mm Wheel 0 3 mm Eccentricity of the single items has been compensated The wheel is acceptable rotation axle 10522 GB 24 Ideal wheel Example 3 Rim 0 mm Tyre 1 2 mm Wheel 1 2 mm E __0 Eccentricity of the wheel cannot compensated by the rotation because tyre the rim is perfect rotation axle SOLUTION RESULT Rotate the tyre on the rim by 180 no improvement is obtained 5 7 1 Presetting of tolerance on the machine There is no general rule concerning acceptability of an eccentricity value As a first approximation we consider it cor rect 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 7 2 Value of static unbalance correlated with eccentricity Clear indication is given in th
5. If a 1st harmonic higher than the set limit is measured a window appears on screen to indicate the need to rotate the tyre of the rim 6 12 Dynamic Static You can select to simultaneously display the dynamic and static unbalance values In this case a small window always appears on the left of the screen displaying the static unbalance with a step of 1 gram 1 ounce 10522 GB 29 6 13 Correction method One of the three possible correction methods can be selected based on the specific requirements of the customer 6 13 1 Standard correction method The wheel balancer considers the unbalance within tolerance when the value of each single plane is lower than the tolerance set 6 13 2 External plane correction method correcting with adhesive weights the unbalance is considered within tolerance when the recalculated external pla ne 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 lt Fine Static 1 6 13 3 IC intelligent correction correction method The correction plane unbalance is considered within tolerance 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 show
6. BAR H S approx 100 to 145 PSI 2 Handling and hoisting N B DO NOT HOIST THE WHEEL BALANCER USING DIFFERENT GRIPS 10522 GB 4 3 Commissioning 3 1 Anchoring The machine can be operated on any flat non resilient floor Make sure that the machine rests solely on the three support points provided fig 2a If possible it is advisable to anchor to the floor using relative mounting feet see fig 2a in the event of continual use with wheels weighing over 35 Kg 3 2 Electrical connection The machine is supplied with a single phase mains cable plus earth ground The supply voltage and mains frequency is given on the machine nameplate It may NOT be changed Connection to the mains should always be made by expert personnel The machine should not be started up without proper earth ground connection Connection to the mains should be through a slow acting safety switch rated at 4A amp 230V or 10 amp 115V 3 3 Pneumatic connection SE Version For operation of the spindle with pneumatic locking constant thrust air spring connect the balancing machine to the compressed air main The connection fitting is located at the back of the machine A pressure of at least 7 kg cm approx 0 7 MPa or 7 BAR or 100 PSI is required for correct
7. Reserved Calibrations and functions it is necessary to enter a password Any incorrect operation within the functions described below could impair the operation of the wheel balancing machine Unauthorized use will cause cancellation of the warranty on the machine 7 1 Enabling of width measurement This function enables disables automatic width measurement with SONAR or contact device always select SONAR 7 2 Presetting the customer and user name The machine can be customized by presetting The name appearing on Initial screen 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 7 3 Enabling of eccentricity measurement Enables disables measurement of the tyre eccentricity during an unbalance measurement spin 7 4 Calibrations When is pressed from the Special Functions menu access is gained to the Calibration menu 7 4 1 Gauge calibration Select the gauge to be calibrated and follow the instructions appearing on the monitor N B In the width gauge calibration it is necessary to enter one dimension which can be measured as follows A GAUGE ZERO DISTANCE SONAR ZERO DISTANCE DISTANCE 0 gauge 7 4 2 Adapter eccentric
8. check the date and time See CLOCK SET UP adjusting them if necessary 4 7 Printer option Used to print useful information for the vehicle residual imbalance and eccentricity for the balanced tyre 10522 GB 9 4 8 Keyboard FUNCTION KEYS they immediately select corresponding function S 0 0 0 90 5 Confirm l Stops measuring cycle l l l Starts measuring cycle Selection of special functions N B Press the buttons with the fingers only never use the counterweight pincers or other pointed objects When the beep signal is enabled see section ACOUSTIC SIGNAL pressing of any push button is accompanied by a beep 10522 GB 10 5 Indications and 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 Fine Static 1 Buttons enabled main functions screen see MENU ACCESS DIAGRAM 2 selecting static correction balancing spin see RESULT OF MEASUREMENT Dimensions gauge when extracted the Dimensions screen is selected see 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 a
9. 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 00 0 Sending sequence is as follows 00000 lt cr gt 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 grams in steps of 1 gram The phase values are expressed in degrees in the range 0 359 See specific computer board on exploded drawings 7 5 2 Printer management Printer Enable disable printer and relative print options 0522 GB 34 8 Errors ERRORS CAUSES Err 7 Err 8 NOVRAM parameter write error Replace the computer board Err 13 Err 14 Err 15 Err 16 Err 17 Err 18 Open guard ERROR J The wheel balancer does not switch on No rotation signal Speed too low during detection During unbalance measurement rotation wheel speed is less than 42 rpm Unbalance too high Rotation in opposite direction After pressing START the wheel begins to rotate in the opposite direction anti clockwise Guard open The START pushbutton was pressed without first closing the guard NOVRAM parameter read error Speed too
10. gt ECCENTRICITY MEASUREMENT 26 care crac w Hn 28 MER 28 6 2 UNIT OF UNBALANCE MEASUREMENT gt 28 6 3 TOLERANCE ALSO SEE CORRECTION 28 6 4 UNBALANCE DISPLAY 29 6 5 uh ETENCEISPICHO PPM M 29 6 6 gt SCREEN SAVER gt ERR NT 29 6 7 29 6 8 ACOUSTIC 6 C PP 29 SEI THECLOLR eee ete ree eee ne ere ree e mr ee eT 29 6 10 ECCENTRICITY UNIT MEASURE 1 29 6 11 FIRST 00 29 6 13 CORRECTION 5ba O 30 6 13 1 STANDARD CORRECTION MET THOD 30 6 13 2 EXTERNAL PLANE CORRECTION MIB AOD 30 6 13 3 IC INTELLIGENT CORRECTION CORRECTION MET HOD 0 30 6 14 31 7 SPECIAL CALIBRATIONS AND FUNCTIONS SEE MENU ACCESS DIAGRAM 32 7 1 ENABLING OF WIDTH 32 7 2 PRESE
11. high error During unbalance measurement rotation wheel speed is more than 270 rpm Unbalance measuring cycle error Unbalance measurement error CONTROLS ge Peony cx Verify correct connection to the mains Verify and eventually replace the fuses on the power card Verify monitor function Replace the computer board Verify belt tautness Verify the function of the phase pick up board and in particular the reset signal Replace the phase pick up board Replace the computer board Make sure that a vehicle wheel is mounted on the wheel balancer Verify belt tautness Verify the function of the phase pick up board and in particular the reset signal Replace the computer board 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 machine Replace the computer board Verify the connection of the UP DOWN RESET signals on the phase pick up board Reset the error by pressing pushbutton 7 End 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 Check if there is any damage or dirt on the timing disc V
12. position for at least 2 seconds If the acoustic signal is enabled see ACOUSTIC SIGNAL the acquisition of the dimensions is accompanied by a beep 10522 GB 13 Set the distance diameter gauge to the rest position The current width value is displayed inside the tyre 7 Set the nominal width which is normally shown on the rim or measure the width 0 with the caliper gauge provided The other enabled buttons are 5 Select the type of weight to apply See CORRECTION METHODS User call save control Return to initial frame Launch balancing 5 3 1 2 Automatic width measurement optional Gradually lower the guard after carrying out measurement of distance diameter in automatic mode 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 measurement Press F2 to go to the dimensions panel for manual insertion of the width measurement Manually presetting is possible by using the push buttons as described in MANUAL PRESETTING 10522 GB 14 5 3 1 3 Wheels ALUS After the measurement performed for the Fl inner side as indicated in fig 9 pull out the gauge again to store the data for the FE outer side choose position A or B fig 8 at your choice Keep this position for at least 2 seconds The counterweight symbols change col
13. 8 the wording UP should appear when rotated clockwise and DOWN when rotated in the opposite direction Check for correct operation of the dia meter gauge the number increases when the gauge Is rotated outwards Encoder check Check for correct operation of the distance gauge the number increases when the gauge is pulled out Sonar 1 Gonar Check of the width sonar the number decreases when a surface is approached to the sonar Check of the eccentricity sonar option the number decreases when a surface is approached to the sonar In the event of failure or faulty operation of the wheel balancing machine notify the Technical Service of all the para meters displayed 10522 GB 33 7 5 Serial port options option Enables the RS232 serial port and printer in the selection menus Special functions E STOP N B If the two options are enabled at the same time both will malfunction 7 5 1 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 At the 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
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15. TTING THE CUSTOMER AND USER NAMES 32 7 3 ENABLING OF ECCENTRICITY MEASUREMENT gt 32 PAUL EPG D PER eset Slee ete eas 0 does 32 7 4 1 GAUGE CA NIIS 32 7 4 2 ADAPTER ECCENTRICITY CORRE GION rd d betae tax 32 7 4 3 gt WHEEL detut eity 33 7 4 4 AMBIENT TEMPERATURE 0 33 7 4 5 VIDEO INTERFACE n RR 33 re c Ede 5 ea 7 7 33 pe So TO CHECK THE ENGODER eer ne E EUN 33 7 5 SERIAL PORT OPTIONS 34 7 5 1 CONTROL SERIAL OUTPUT 2 34 7 5 2 PRINTER 34 0 35 10522 GB 1 9 ROUTINE MAINTENANCE Sa ETO REPLACE E E eee MEME MEI ee eee 10522 GB 2 1 1 General safety recommendations The balancing machine should only be used by duly authorized and trained personnel The balancing machine should not be used for purpo
16. ard The sensor should be positioned by hand in front of the tyre tread GRAPH 1 represents the actual Peak to Peak eccentricity RUN OUT GRAPH 1 yellow N 0 0 GRAPH 2 red GRAPH 2 represents the eccentricity of the 1st harmonic For a wheel in optimum conditions such graph should approach a straight line While rotating the wheel the screen cursor indicates the current value with the stage referred to the eccentricity measurement sensor The following buttons are enabled Prints the first harmonic eccentricity value option 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 CO 099 10522 GB 26 In the event that the value of the first harmonic is higher than the limit indicated in setup parameters See FIRST HARMONIC LIMIT at the end of eccentricity measurement the following window appears PAY ATTENTION 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 Select the display box of the graph for the eccentricity measured see ECCENTRICITY MEASUREMENT OPTIONAL
17. as required by pressing pushbuttons and 5 Load Save T Manual End 1 2 6 7 N B In the event of automatic measurement 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 3 button The external side may only be adhesive To display static unbalance press the 2 button on the measurement screen for ALUS static the inner side diameter is always considered 10522 GB 21 VVV Possible types of correction weight inside ALU 8 7 gt Balancing of steel or light alloy rims with application of clip on weights on the rim edges The STATIC mode is necessary for motorcycle wheels or when it is not possible to place the counterweights on both sides of the rim Balancing of light alloy rims with application of adhesive weights on the rim shoulders ims d Combined balancing adhesive weight on the outside clip on weight inside Combined balancing clip on weight outside and adhesive Balancing of alloy rims with hidden application of the adhesive 5 5 5 Automatic minimization of static unbalance Initial unbalance sx dx phase shift 50 Possible approximations weight on the outside B SX dx SX dx sx dx residual static 3 residual static 1g
18. by the symbol if the eccentricity of the first harmonic exceeds the limit set in the setup parameters First harmonic limit 2 When this push button is held down for more than 1 5 seconds eccentricity measurement is temporarily disenabled enabled in GENERAL SETUP To re enable eccentricity measurement 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 GENERAL SETUP Split control for splitting of unbalance over presettable components SPLIT CONTROL Button only enabled in STATIC or ALUS correction Indication of the longitudinal position of the unbalance INDICATION OF EXACT CORRECTION WEIGHT POSITION is enabled MENU DOG For selection of special functions Balancing spin N B If the machine remains on this screen without being used for more than the time preset in the Setup parameters 6 the screen automatically returns to the screen save 10522 GB 18 5 5 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 Press button 7 from the Measurements screen Pull out the rim distance diamete
19. ces 6 3 Tolerance also see CORRECTION METHOD This is the unbalance threshold below which the word instead of the unbalance value appears on the screen the end of the spin Default 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 The following buttons are enabled 1 parameter selection during setting 2 parameter decrease increase during setting default parameter setting recommended by the manufacturer return to previous frame 10522 GB 28 6 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 counterweights fixed in steps of 5 grams 1 4 oz 6 5 Spin with guard closed When ON is selected the automatic start of the spin is enabled when the guard is closed 6 6 Screen saver time When the machine remains unused for longer than the time preset with this fu
20. e 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 7 3 Value of unbalance corresponding to eccentricity For user s reference the centrifugal force is calculated corresponding to a certain speed compared to the force generated by the eccentricity present on the tyre calculated with an approximate average elastic constant 10522 GB 25 5 8 Eccentricity measurement optional The much enlarged figures show the outer tyre surface and axis of wheel rotation 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 harmonic i e the eccentricity of that circle which recopies Fig A Fig B the tyre shape by averaging the local deviations of the tyre from the round shape Obviously the P P measurement is normally greater than that ofthe 1stharmonic 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 gu
21. easing the device fastening the wheel on the adapter Do not actuate this pedal during the machine cycle and or when adapters other than the standard cone adapter are mounted The pedal has two stable positions top wheel unclamped bottom wheel clamped This gauge allows measurement of the distance of the wheel from the machine and the wheel diameter at the point of application of the counterweight It also allows correct positioning of the counterweights on the inside rim by using the specific function see 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 The gauge can only be used with the counterweight pincers mounted 4 4 Automatic width 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 4 5 Automatic wheel positioning At the end of the spin the wheel is positioned according to the unbalance on the outside or else according to the static unbalance when selected Accuracy is 20 degrees 4 6 Clock control The wheel balancer is provided with a clock having a back up of about one month with the machine switched off If the machine remains off for a long period at the first switch on
22. erify the function of the phase pick up board and in particular the reset signal Replace the computer board Verify phase pick up board function Verify correct motor operation Verify belt tautness Replace the computer board Verify phase pick up board function Check detection unit connections Verify machine earth ground connection Mount a wheel with more or less known unbalance less than 100 grammes and verify the response of the machine Replace the computer board 10522 GB 35 The wheel comes to a halt before comple Make sure that the wheel to be balanced is at least 10 in diame ting positioning correctly ter Verify the correct setting of wheel dimensions on screen Verify belt tautness For wheels less than 12 in diameter wheels disenable the eccentricity measurement procedure Eccentricity graph plotting procedure error Perform a new eccentricity measurement Eccentricity graph value display readout Perform a new eccentricity measurement error Eccentricity graph current value cursor Perform a new eccentricity measurement plotting procedure error Sonar readout error Position the eccentricity measurement sonar correctly before Sonar value readout impossible performing the measurement Check eccentricity sonar connections Check the power supplies on the power card Replace the eccentricity measurement sonar Make sure that the wheel does not halt before completing at least 4 5 re
23. he moment the wheel balancer is turned on This parameter is automatically reset after turning off the machine TOTAL WEIGHT SAVED Indicates the weight saved when using the IC instead of the standard correction method from the date indicated in square brackets This parameter remains memorized even when the machine 15 switched off The following buttons are enabled 1 4 Press to reset the relative counter For the TOTAL counters a correct password must be entered Prints some statistical values optional To return to the previous screen to return to the measurement screen 10522 GB 23 5 7 When and why matching The C75 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 eccentricity of the wheel down to acceptable limits The principle adopted is based on the consideration that a rim with acceptable tolerance mounted with an acceptable tyre can statistically 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 measure the rim it is necessary to remove the tyre There can by coarse errors on the outside e g aluminium wheels e 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
24. ing the value of weight saved with respect to standard balancing Fine Static 1 2 If a special icon appears near the button 6 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 10522 GB 30 NOTE 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 15 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 standards 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 6 14 for I C 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 19 0 1 ounce 10522 GB 31 Caution 7 Special calibrations and functions see MENU ACCESS DIAGRAM In order to gain access to the
25. ion operation of the release device 3 4 Extra safety devices SE Version Wheel always locked even when there is pressure failure during the balancing cycle Always actuate the unlocking control pedal with the machine stationary in order to avoid stress and abnormal wear on the adapter 3 5 Adapter mounting The balancing machine is supplied complete with cone adapter for fastening wheels with central bore Other optional flanges can be mounted once the terminal part is removed also see enclosed brochures N B CAREFULLY CLEAN THE COUPLING SURFACES BEFORE PERFORMING ANY OPERATION DISMOUNTING THREADED END PIECE a Back off screw B and remove threaded end piece A b Fit the new adapter 10522 GB 5 SE2 Mounting e SE2 0140 SE2 Dismounting e 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 centrer les roues avec le c ne de l int rieur voir dessin Eviter d utiliser le manchon RL avec les jantes en fer Wenn m glich 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 llanta
26. ions of the USER called N B 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 10522 GB 17 5 5 Result of measurement Fine Static 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 the wheel apply the weight in the 12 o clock position When the beep signal is enabled see section ACUSTIC SIGNAL reaching of the correction position is accompanied by a peep 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 residual unbalance can be displayed by pressing button 1 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 Simultaneous display of the dynamic static unbalance can be enabled through the special function in Setup see par DYNAMIC STATIC Prints the balancing certificate option eG OO Eccentricity measurement graph OPTIONAL 1 The symbol above the key is flanked
27. ity correction This function allows electronic compensation of the systematic balancing error due for example to an eccentric adapter It is not able to compensate for errors due to worn adapters or adapters with a certain amount of play Never use this function unless advised by specialist personnel Enter the password 7 5 3 1 Follow the instructions on the monitor When the Eccentricity Correction is enabled the icon appears to the left of the screen 10522 GB 32 7 4 3 Wheel balancer calibration For calibration of the machine proceed as follows Use a medium sized wheel with steel rim Example 6 x 14 1 Preset the wheel dimensions with GREAT CARE Follow the instructions appearing on the monitor 7 4 4 Ambient temperature Ambient temperature is important for correct use of the sonars Set the average temperature of the area where the wheel balancer is installed 7 4 5 Video interface Select STD Incorrect selection results in the images being displayed in very dark colours 7 4 6 Self diagnostics An automatic self diagnostics cycle is provided for easier trouble shooting At the end of the self diagnostics cycle several parameters are displayed which are useful for the Technical Service Department in order to identify machine faults returns to previous menu 7 4 6 1 To check the encoder When the spindle is rotated the angular position POS should vary from 0 to 12
28. n out of the wheels optional can print a balancing certificate option 1 3 Overall dimensions 42 guard 10522 GB 3 1 4 Specification Single phase power 115 230 V 50 60 Hz Protection class IP 54 Max power 1 1 Kw EN SVGA 15 Balancing speed 180 min Cycle time for average wheel 14 Kg 6 seconds Balancing DEAS A rV 0 5 grams Position 1 4 Average noise 70 dB A Distance rim 0 280 mm 400 mm can be preset Rim width setting range 1 5 20 or 40 510 mm Diameter setting range 10 30 or 265 765 mm Total wheel diameter within guard 1067mm 42 Total wheel width within guard 500 mm 42 Min max compressed air pressure 7 10 Kg cm Y approx 0 7 to 1 Mpa Y approx 7 to 10
29. n the rim see STANDARD WHEELS a DISTANCE Preset the distance of the inside of the wheel from the machine after measuring it with relative gauge as described in fig 8 d In the event of correction type other than standard spring weight follow the instructions on the screen for correct detection of dimensions 10522 GB 16 5 4 User control The wheel balancer can be used simultaneously by 4 different 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 4 1 User memorization Preset the dimensions correctly according to the procedures already described in sections AUTOMATIC PRESETTING Press MENU the MENU window appears on the monitor Press a window appears with the list of available 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 4 2 To call user Perform a measuring spin with any dimensions Press button the MENU window appears the screen Press a window appears with the list of available 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 dimens
30. nction the processor automatically returns to the Initial screen Preset the time in seconds 6 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 deceleration 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 6 8 Acoustic signal When 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 when the correct angular position for weight application is reached in the Measurement screen when the correct angular position for weight application is reached in the Position Repeater screen 6 9 To set the clock Serves for correct setting of the date and time follow the instructions on the screen 6 10 Eccentricity unit of measure You can select to display the results of the eccentricity measurement in millimetres or inches 6 11 First harmonic limit The first harmonic limit beyond which it is felt suitable to rotate the tyre on the 180 rim Recommended Limit 1 2 mm 0 05 inch
31. our When the acoustic signal is enabled see ACOUSTIC SIGNAL the acquisition is accompanied by a beep E Position of adhesive weights After having detected the dimensions use the 3 key to indicate the type of correction selected for the inner side The following buttons are enabled 1 2 Management of save user recall 3 Selection of clip or adhesive weight for inside Only for automatic width option The L T key LIGHT TRUCK used to improve the dimensional calibration of large diameter wheels such as off road trucks wheels which protrude significantly 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 presetting screen Return to initial screen Balancing run 10522 GB 15 5 3 2 Manual presetting Select Unit ALU 5 End 1 2 7 If necessary the dimensions can be inserted or edited in manual mode as follows press MENU 4 press 1 to select the dimension to be preset red press 2 to preset the required value press to change unit of measurement press to 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 o
32. r gauge in position A figure 8 Approach of the weight to the correction position is indicated by a moving coloured arrow A When a fixed arrow is reached rotate the wheel to correction position Fl or FE and apply the counterwei ght 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 application position is no longer at 12 o clock where appropriate use the weight pusher fig 11 When the acoustic signal is enabled see ACOUSTIC SIGNAL the reaching of a fixed arrow 4 is accompanied by a beep n FE A C 10522 GB 19 5 5 2 SPLIT control SPLIT is only possible in the event of static unbalance or ALUS external side and is used to hide any adhesive wei ghts correcting unbalance behind the rim spokes Fine Static 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 rotation 4 Atthis stage the sc
33. reen 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 optimise correction Note When SPLIT is enabled the icon Go appears on the left of the screen 10522 GB 20 5 5 3 Unbalance optimization UNBALANCE OPTIMIZATION 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 adaptor s Close the wheel guard and push START The symbol 6 is displayed automatically for static unbalance exceeding 30 grams 1 1 0z 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 after a first spin and follow the instructions appearing on the monitor 5 5 4 Correction mode After having performed automatic measurement of the inner side it is possible to place the correction weights
34. s de hierro Quando poss vel centre as rodas com cone pelo lado de dentro ver figura Evite utilizar a luva RL com jantes de ferro SE2 0140 3 6 Guard mounting and adjustment a Fasten the components to the base as illustrated in specific exploded view b The position of the wheel guard when closed can be adjusted with relative screw accessible at the back Correct position is the one which keeps the tube exactly horizontal with wheel guard closed c Check that the microswitch is held down when the guard is closed d Adjust the angular position of microswitch control 3 7 Spacer WD When balancing very wide wheels 9 there is not enough space to turn the distance gauge To withdraw the wheel from the machine side fit soacer WD on the adapter body and secure it with the standard issue nuts When centring the wheel with the cone on the inside fit the other cone as a spacer to obtain spring thrust 4 Cone 10522 GB 8 4 Controls and components 4 1 Brake pedal 5 4 2 Pneumatic locking pedal SE Version e 4 3 Automatic distance and diameter gauge This pedal allows the operator to hold the wheel when fitting the counterweights It must not be actuated during the mea suring cycle This pedal allows rel
35. ses other than those described in the instruction manual Under no way should the balancing machine be modified except for those modifications made explicitly by the manufacturer Never remove the safety devices Any work on the machine should only be carried out by duly authorized specialist personnel Do not use strong jets of compressed air for cleaning Use alcohol to clean plastic panels or shelves AVOID LIQUIDS CONTAINING SOLVENTS Before starting the wheel balancing cycle make sure that the wheel is securely locked on the adapter The machine operator should not wear clothes with flapping edges Make sure that unauthorized personnel do not approach the balancing machine during the work cycle Avoid placing counterweights or other objects in the base which could impair the correct operation of the balancing machine 1 1 1 Standard safety devices STOP push button for stopping the wheel under emergency conditions The safety guard of high impact plastic is with shape and size designed to prevent risk of counterweights from flying out in any direction except towards the floor Amicroswitch prevents starting the machine if the guard is not lowered and stops the wheel whenever the guard is raised 1 2 Field of application The machine is designed for balancing car or motorcycle wheels weighing less than 75 kg It can be operated within a temperature range of 0 to 45 C It can measure the geometric radial ru
36. utomatic switching from the screen save menu to the initial screen 5 1 1 Screen save screen N B Name of the wheel balancer s owner Can be preset via the monitor 10522 GB 11 5 2 Menu access diagram N B The symbol lt lt lt indicates the presence of a further menu To return to the previous menu press button return to the initial screen press button mccum MENU E mn STOP q Ba MM M M MEN e PASSWORD For specialized personnel onl selections lt User control lt 10522 GB 12 5 3 Presetting of wheel dimensions 5 3 1 Automatic presetting see also CORRECTION MODE 5 3 1 1 Standard wheels INDICATOR L T function enabled see Buttons Enabled INDICATOR Width Sonar function enabled Load Save End 1 2 6 7 The screen appears upon removing the distance diameter gauge The dimension acquired message is indicated by the correction weight symbol which changes from blue to red INNER SIDE WEIGHT Using the special grip move the end of the gauge against the rim in position a Sprung weight in one of the positions indicated in figure 8 Pos A b Adhesive weight in the position indicated below Position of adhesive weight Note Always use the round part of the striker plate Hold the gauge in
37. volutions after the first braking impulse Verify belt tautness Replace the computer board Sonar readout error Position the eccentricity measurement sonar correctly before Sonar values are insufficient for correct performing the measurement measurement of eccentricity Make sure that the wheel does not halt before completing at least 4 5 revolutions after the first braking impulse Verify belt tautness Mount a wheel of medium dimensions 14 5 34 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 Printer timeout Check that a printer is present Check the code of the processor card Check the printer lt gt processor card connection Run the printer test function Printer buffer error Reset the printer Repeat the print function 10522 GB 36 9 Routine maintenance Before performing any action on the plant isolate the electrical power supply 9 1 To replace the fuses Remove the weight holder shelf to gain access to the power supply board where the 4 fuses are located see Exploded Drawings If fuses require replacement use ones of the same current rating If the fault persists contact Technical Service NONE OF THE OTHER MACHINE PARTS REQUIRE MAINTENANCE 10522 GB 37
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