WBE 4140 - Repair Instructions
Contents
1. JL This procedure is essential to identify a malfunctioning of the sensors 8 1 Recalling of the diagnostics menu 1 From the Settings and Service menu select Diagnostics and confirm by pressing lt OK gt GD e Eso 2 Enter password lt gt lt gt lt f gt The standard diagnostics menu is displayed display only mode 3 Enter password lt gt lt OK gt lt gt gt The service diagnostics menu is displayed amendment mode JL Once the password is correctly entered access is gained to the diagnostics menus to scroll the pages use keys lt gt and lt gt JL to activate and deactivate the various functions use keys lt gt lt gt and lt OK gt Diagnostica Menu 1 Menu 2 Menu 3 Menu 4 Menu 5 Uscita Start Stop SW rel 5 24 Apr 16 2008 Build 52491 0 0 FW rel 1 Machine Status 0 Ready Int Value 8194 Ext Value 8173 VINT 0 00 VEXT 0 00 Dif Fase 0 00 Internal weight 0 0 Position 0 External weight 0 0 Position Static weight 00 Position AM 1 054122 AF 3 113416 ER 0 024685 KM 0 051322 LD 1886 939323 KF 2 366964 Mains Frequency 50 Hz Fig 2 Menu 1 Software version of the machine Calibration parameters Carry out a check cycle Machine status Diagnostica Il Menu 1 Menu 2 Menu 3 Menu 4 l j Menu 5 Uscita Encoder Steps Encoder Speed Encoder Turns 1 Forw2. den WBE 4130 WBE 4140 BOSCH de Instandsetzungsanleitung en Repair instructions es Instructions de r paration Reifenmontiermaschine Tire changer Machine monter les pneus it Istruzioni di riparazione Smontagomme en 24 WBE 4140 Contents English 3 1 3 2 3 3 7 1 12 1 3 1 4 1 8 2 8 1 8 3 8 4 8 5 Symbols used 25 In the documentation 25 1 1 1 Warning notices Structure and meaning 25 1 1 2 Symbols in this documentation 25 On the product 25 WBE 4140 26 How to use the machine and surfing menu 27 Display 27 Control keys 27 Menu navigation ZT 3 3 1 Auto diagnosis 21 3 3 2 Calibration 27 3 3 3 Settings 28 3 3 4 User defined settings 28 Faults 29 How to up to date the software 31 Configuration of the board 31 Standard calibration 32 Recalling of the calibration menu 32 Calibration with wheel and sample weight 32 Flange calibration 32 Calibration of electronic vernier caliper gauge arm ER 7 4 1 Reference measurement 34 Factory calibration 34 7 5 1 Recalling of the calibration menu 34 7 5 2 Calibration with sample weight 34 7 5 3 Flange calibration 35 7 5 4 Calibration of electronic calliper gauge measurement arm 35 7 5 5 Factory settings 35 Pick up 36 Diagnostics 36 Recalling of the diagnostics menu 36 8 2 1 Check of the phase difference 37 8 2 2 Check of the external pick up sensor INO ST 8 2 3 Check of the internal pick up sensor INT 38 Encoder 38 Engine and
3. e Replace the connection cable e Replace the potentiometer Re position the potentiometer see following Instructions The values passes from 0 during the run H After having replaced the potentiometer or after having detected that the fastening screw is loose before proceeding with calibration follow the instructions reported here 8 6 Ingressi ed uscite digitali Menu 1 Menu 2 Menu 3 Menu 4 M Carter Status ON i Flange Pedal Input OFF Brake Pedal Input OFF Brake Flange Open Flange Close 8 6 1 Protection micro switch When the cover is lowered if the machine functions correctly the ON sign appears gt Should the micro show problems check the position of the functioning cam and of the same micro as well as the cables connection see electric layout H A malfunctioning of the micro can cause the pneumatic flange to block Robert Bosch GmbH 9 Replacement interventions 9 1 Pick up replacement 1 Remove the weights protection Fig 11 Guard removal 2 Disconnect the action centre Loosen the fixing screw of the feeler fig 15 pos 1 4 Extract the entire Easy Aludata calliper unit from the machine 5 Loose the drive belt and remove it 6 Loosen the 4 allen screws that keep it in position and extract the oscillating unit fig 12 SR Fig 12 Removal of the oscillating unit 7 Loose the locking nut put under the pick up 8
4. T hett ZHO9 0S T AOEZ 4014 0174 OFATTJ uoo roqa3 uuoo I99TTA UIIM JIOFOSUUO LX Ponta ata N D N aUD MOTISA ACUSA OTTIVIO Jd AQUHA OTTIVIO ZHO9 L ASLL NMOUS ANONEVN 1 ZH09 0S L AOEZ SUOIZEJUSUII VV SUIEN NMOwd HNO22VIW QUOTZPEJUOUTTE OAI orge rddns Robert Bosch GmbH 2010 11 9 1 695 655 779 MNId AHUD WSOU OIDIYD a Tdund WIOIA HOVTIS OUAN dN Ande aau OSSOU MNId WSOU 2010 11 9 rorqeuoqane TzAQTTeo oddnxo sobneb oT jewoqny ossod OUEN ouz as dnyord qH Zosues 20014 ouz qur dnyord 3MOV Iq Iosu s IL eoruoz33 l1 oqado epeuos D So 9TU0139212 034d0 ana Q1g AHA OI DIN MOTIHX OTIVID ND ACUHA NMOUE ANOUNWN ALIHM OONWId cl CH o FW Lo Tf Oo 1 695 655 779 ll LVS 1VS va EH TT LT LION oqaeuz uos TIQTIEO OA OAI orge 6nes TqeD p pI rus cA L Sunolod AXOTOD ezuejod Ip epeyos O01199301 OAD eTqeD OTI9090 LH pre og Tamog O LO Ki O Ki T Ki LA voll du Kal du 8 e o 2 LU a ubeuo1z3a3 T su quhewuor19914 ax OSSON VOILYNNANd HNOISUHA OTOS eorqeun ud erB6ueTj TOATeAO133 TH AINO NOISHHA OILVNNANA sprou Tos BuryooT oSrqeum udq ce 2 v l l l l l kd d daa Ossod sv L eTedtoutad epseyos NMON ANONAYN preog uTtTen ALIHM OONWIG pw NMOUS ENOHA VIN cd a LIHM OONWId NMOUS HANOMIVN TTeubes o41e9 ALIHM OONVIA rq
5. new board or that you up to date the software manually you must insert the activation when you turn on the machine for the first time JL Entrare nel menu calibrazione factory per attivare la funzione illumnitatore Machine code When a new neutral board is charged you have to insert an activation code to recognise the version of the balancing machine where the board is going to be installed This code is also useful to charge the setting parameters connected to those of the machine Every version has a code that is inside the spare part packaging otherwise you can ask the assistance to be provided with Insert Machine Code Ki EL M D To insert the code press the arrow key lt gt e lt gt to increase the numbers and lt gt e lt gt to move to the following space How to Reset the machine code Follow these instructions to reset the machine code that has been inserted Inserire Password KSM 1 Press the ARROW KEYS lt gt lt gt ks 2 Insert the reset code 36443 Now when you turn on the machine the board will need to be reactivated through a configuration code Insert Machine Code 1 695 655 779 2010 11 9 32 WBE 4140 Standard calibration en 7 Standard calibration Tl We recommend carrying out the standard calibration of WBE 4140 during commissioning during the six monthly maintenance operations or in the presence of imprecise measurement re
6. speed of motor 2 Make sure the WBE 4140 is not subjected to any impact during measurement 3 Wheel speed below minimum value 3 Check mains voltage probably too low Dal The PCB has detected an excessively high wheel speed 1 Switch off the WBE 4140 with the wheel guard open shaft rotating at high speed 2 Lower the wheel guard switch the WBE 4140 on although the machine has not been started Power again without moving the wheel supply unit is deactivated 3 If the error message persists contact customer service 22 Irregular measurement sensor signals 1 Check that the light barrier PCB is protected against light and provide a cover if necessary 2 Check and if necessary replace the light barrier PCB 3 Check and if necessary replace the display PCB 29 ATTENTION the calliper gauge is not in stand by 1 Bring the calliper gauge back to stand by position position 2 Repeat calibration of the electronic calliper gauge 30 The measurement arms have been deactivated Calibrate them before reactivating them Si The pedal is pressed Deactivation is in progress 32 The pedal has been pressed 33 Incorrect operational system Use a different board 34 Re start the system 35 Taper calibration error 36 Out of tolerance taper calibration value 3T Check the connection of the Printer 38 Missing Term Text 39 WINCE firmware version incorrect for selected language The selected language will be replaced by English 40 Emergency stop 41 The callip
7. the previous page Selection of weight display eo grams g or ounces oz Selection of weight resolution 1g 0050zorb5g 0 250z Residual value suppression Entry of weight value below which the value 0 is to be displayed 1 695 655 779 2010 11 9 Robert Bosch GmbH 4 Ho Faults Faults WBE 4140 29 en Other possible malfunctions are primarily of a technical nature and are to be checked and if necessary rectified by a qualified engineer Always contact the customer service of your authorized Bosch equipment dealer JL To enable action to be taken quickly it is important to inform customer service of the specifications on the rating plate label on the flange end of the WBE 4140 and the nature of the problem Faults Causes Remedy The displays 1 Defective fuse or missing phase 1 Check the mains connection do not light on 2 Damaged fuse in electrical connection 2 Replace the fuse in the electrical connection switch on 3 Damaged fuse in control display panel 3 Replace the fuse in the control display panel In form customer service Caution Repeated fuse damage is an indication of a malfunction 1 1 Setting and calibration data lost from PCB memory Check and correct calibration and settings 2 One or more calibration operations setting calibrati on of electronic vernier caliper gauge arm not perfor med 2 Wheel guard ra
8. 0 pos 4 and the two screws fig 20 pos 2 3 Remove the pin cover in fig 20 pos 3 and the side cover of the motor closing in fig 20 pos 5 WWW WWW AM Fig 20 4 Remove the belt of the motor by loosening the three side screws fig 21 pos 1 and the screw fig 21 pos 2 in order to loosen the belt Hi fl i UR d G SEL Fig 21 Belt replacement 5 adjust the tension of the belt by tightening the adjustment screw until it possible to manually rotate by 90 gt Belt tensioning check 1 695 655 779 2010 11 9 en 42 WBE 4140 Replacement interventions 9 6 Power board replacement H When it is necessary to replace the board activate the board and perform the various calibration 1 Remove the weights protection passages 2 Loosen the 5 rear screws using an allen wrench Fig 22 3 replace the board and restore connections V Ge OOOO GEOPOAD QEOGOOP Z2Z Z 6 RUUM Al AR a 2 9 7 Video board replacement procedure 1 Remove the left and upper protections 2 replace the board and restore connections 3 configure the board H The piezo electric sensors are identical and to distinguish them during production a red pick up is assembled on the outside and a black on the inside Mark the cables F and G before reconnecting
9. Unscrew position nut fig 13 pos 1 9 If necessary insert the new pick up Fig 13 JL To keep the spheres in position use a little of oil grease 1 695 655 779 2010 11 9 en 40 WBE 4140 Replacement interventions 10 Screw the nut until you cannot turn it manually JL Manually lock the nut making a half turn with the key JL With a dynamometric key apply a 4 n m strength 11 Keep the Allen key and fix the locking nut fig 14 AA j Fig 14 12 Mount again the shaft inside the machine 13 Reconnect the engine JL In order to check that the reparation has been successful check the tensions again and go on making a new calibration of the machine 9 2 Replacement Easy Aludata calliper 1 Remove the weights protection 2 Disconnect the action centre 3 Loosen the fixing screw of the feeler fig 15 pos 1 Fig 15 4 Extract the entire Easy Aludata calliper unit from the machine 5 Replace the calliper unit 6 Reassemble it following the same disassembling procedure 1 695 655 779 2010 11 9 9 3 Width potentiometer positioning procedure 1 Remove the left side protection without disconnecting the board 2 start the balancing machine 3 access the test menu 4 keeping the 4 value displayed on the board release the screw on the ri
10. ance potentiometer IN2 Difetto Correzione Check that the cable is correctly connected Check that the steel cable is in its seat and is not cut e Replace the connection cable e Replace the potentiometer Check that the ring nut is correctly fixed e Replace the connection cable e Sostituire ilpotenziometro Re position the potentiometer see following Instructions The value remains blocked at scale end or between 0 and 40 The value remains blocked between 100 and 16000 The values passes from 0 during the run 8 5 2 Diagnosis width potentiometer IN3 The value remains blockeq e Check that the cable is at scale end or between 0 correctly connected and 40 e Check that the ring nut is correctly fixed e Replace the connection cable e Replace the potentiometer Robert Bosch GmbH Replacement interventions WBE 4140 39 en The value remains blocked between 100 and 16000 Check that the ring nut is correctly fixed e Replace the connection cable e Replace the potentiometer 8 5 3 Diagnosis diameter potentiometer IN4 Difetto Correzione The value remains blocked e Check that the at scale end or between 0 potentiometer is correctly and 40 fixed to the measurement arm e Replace the connection cable e Replace the potentiometer The value remains blockeq e Check that the between 100 and 16000 potentiometer is correctly fixed to the measurement arm
11. ard Reverse Fig 3 Menu 2 Check encoder disk Check engine revs 1695655779 2010 11 9 Check relay condensers Diagnostica Ill Menu 1 Menu 2 Menu 3 Menu 4 Menu 5 Uscita INO 8173 IN1 8194 IN2 30 IN3 3 IN4 2 IN5 8188 ING 4 IN7 8176 Distance Value 30 input O mm Width Value 3 input 542 mm Diameter Value 2 input 26 inches Distance mm 87 Width mm 550 Diameter inches 140 Gauges Status Am ds 0 Am Jar Fig 4 Menu 3 Check measuring gauges potentiometers Diagnostica by Manu Manu 7 Manu 7 Manu 4 Manu P sete Magen SC Aaa em Flange Pedal Input OFF BEE it Down Gunton OFF Flangu Opar Flange Oasa L up Lit Downi Fig 5 Menu 4 Test protection micro switch input Test flange micro switch input Test aludata magnet output Test electromagnetic brake output Test pneumatic flange output Test hoisting device Diagnostica V Menu 1 Menu 2 Menu 3 Menu 4 Menu 5 Uscita Fig 6 Menu 5 empty Uscita Menu 1 Menu 2 Menu 3 Menu 4 Menu 5 Uscita Fig 7 Menu 6 output 8 2 Pick up Tl Balancing system The apparatus used to measure the unbalance of the wheels has a mechanical system based ona 1 degree lever The piezo electric sensors positioned in the lower part of the shaft at the two ends detect the vibrations converting the force in electric voltage Robert Bosch G
12. d as substitute if the rim width and rim diameter cannot be recorded electronically T5 Clamping tool holders For storing accessories 1 695 655 779 Robert Bosch GmbH 2010 11 9 How to use the machine and surfing menu WBE 4140 27 en 3 How to use the machine 3 3 Menu navigation and surfing menu u We can divide the balancing machine menu in several submenus 3 1 Display Call up of service menu customer service only The initialization of the software is displayed approx aD 20 seconds after switching on the WBE 4140 The Call up of calibration menu start page is displayed after a further 40 seconds x Press lt I gt to return to the previous page Settings customer service onl User defined settings The following symbols are used in the selection menus G i BOSCH Automatic transfer e g time Manual transfer e g via pedal pe Function deactivated JL If the image does not appear correctly carry out self calibration of the monitor making reference to the monitor user manual 3 3 1 Auto diagnosis The following menus can be selected on the start page X Kab Sad Sim Denomina Qui si accede al men bolo zione mee En Geseems Enter the password zz zez lt 4 gt to display the Balancing standard diagnostics menu display only mode k Settings and Personal settings calibration and I service customer service Enter the pas
13. e during the last cycle and the phase difference in degrees Robert Bosch GmbH Diagnostics WBE 4140 37 en Int Value 6194 Ext Value 8173 VINT 0 00 VEXT 000 DifFase 0 00 Internal weight 0 0 Position External weight 0 0 Position 0 Static weight 0 0 Position 2 Fix the wheel of a motor vehicle of average size and in excellent conditions e g 5 5 wide 14 diameter on to the flange and carry out a perfect balancing 3 Apply a sample weight e g 100 g on the external side of the wheel 4 Press lt START gt or close the wheel protection cap Measurement is started gt At the end checking the measured values the voltage value of the internal pick up must always be small compared to the voltage value of the external pick up and the ration between the external and internal pick ups must be between 1 9 and 2 1 To calculation the voltage difference divide the value of the external pick up with that of the internal in this way obtaining the ratio between the two H If when checking the ratio between the pick up and the phase difference out of tolerance values are found replace the board chap 4 3 or replace the pick up sensors chap 4 1 4 If after replacement of both the problem persists it may be caused by a too high disturbance of the bearings of the measurement bench therefore replace everything 8 2 2 Check of the external pick up sensor INO JL The piezo el
14. ectric type sensor reads a force variation During appliance check verify that e the stand by value is half way on the reading scale e g 8170 100 e by pushing the shaft downwards the values decreases to zero e by lifting the shaft upwards the value increases to end scale 1 695 655 779 2010 11 9 en 38 WBE 4140 Diagnostics 8 2 3 Check of the internal pick up sensor IN1 JL The sensor is now assembled in the other position During appliance check verify that e the stand by value is half way on the reading scale e by pushing the shaft downwards the values increases to end scale e by lifting the shaft upwards the value decreases to zero H The piezo electric sensors are identical and to distinguish them during production a red pick up is assembled on the outside and a black on the inside 8 3 Encoder JL Indicates the function to directly check the step counter encoder the number of spaces varies from 0 to 255 Tl The malfunctioning of the apparatus is automatically detected by the program showing on the display Err 10 or Err 11 gt By keeping the entry displayed on the board check which may be the cause of the fault to be able to adequately solve the problem see table below Difetto Correzione The machine e Check that the disk is not obstructed does not reach by dust 255 spaces e Check that the disk is intact The machine e Check that the encode
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16. er of the width must be calibrated 1 695 655 779 2010 11 9 Robert Bosch GmbH 5 How to up to date the software The new generation of boards used by Sicam works on Windows CE this allows our Research amp Development Department to up to date the machines constantly in order to solve possible programming mistakes and to add functions to the machines like translations in several languages and special programmes The updates are sent through USB driver or e mail Uu ww C C zloj x Plo era eu eat Strumenti Ka 4 Ze e k lize CQ ismi Q EI Cerca Catete Fi d L J coms CJ pat S FILES h Zb SacamTEST exe SicamWheel exe ok Updater exe D Nava cartella uP dater boobessone WCE MF C2 pectures Jakarta Nov 2007 w tu a CH SEMy780_755 How to up to date the software 1 Oo oR WN Unzip the file that you have received by e mail intall Zip copy the whole Install folder in the USB driver connect the USB driver to the balancing machine start the machine wait for the update to be charged repeat the calibration of the machine Edis link Edis SOFTWARE systemsw WBE4140 Robert Bosch GmbH How to up to date the software WBE 4140 31 en 6 Configuration of the board The board is configured during the installing It requires an activation code that determines the main details JL Every time that you install a
17. he guidance and supervision of an electrician gt Disconnect the WBE 4140 from the mains before opening Disposal Dispose of used electrical and electronic devices including cables accessories and batteries separately from household waste Ei Direction of wheel rotation S Wheel must turn in direction indicated 1 695 655 779 2010 11 9 en 26 WBE 4140 WBE 4140 2 Fig 1 Item WBE 4140 WBE 4140 Designation Function purpose 1 TFT monitor Software display measured values and operating instructions 2 Wheel guard e Protection of operator against flying particles e g dirt water e Starting and stopping measurement refer to Section 8 3 3 Gauge arm accessory Determination of rim width Vernier caliper electronic e Recording of rim distance and rim diameter e Determination of positions for attachment of adhesive weights 5 Cone of drive shaft Flange mounting 6 Pedal Locking of shaft wheel 7 Control panel Operation of WBE 4140 refer to Section 7 3 8 Tray For storing balance weights and accessories 9 Mains socket Connection for power cord 10 On off switch Switching WBE 4140 on and oft ileal Centering flange Wheel attachment 12 Quick action clamping nut Centering and attachment of wheel on cone ile Manual vernier caliper Can be used as substitute if the electronic vernier caliper is defective 14 Measuring compasses Can be use
18. interior of the flange Measure and set the value read and press lt OK gt 8 Set the wheel measurements and with the distance reading cursor resting on the wheel itself press lt OK gt I I mara A Ld BY 5 Keeping the distance A cursor in standby move the 4 AE cursor of width B width against the external part of AAR E the flange and press lt OK gt A PRA _ 7 ZZ org gt Procedure completed 7 hl sS SEI Ym Zi J A Z AM H Valid procedure with updated SW 6 16 version otherwise proceed with the software upgrade 651046 13 6 Assemble the width calibration pin on the external part of the flange Move the width cursor against the end of the pin and press lt OK gt Robert Bosch GmbH 1 695 655 779 2010 11 9 en 34 WBE 4140 Standard calibration 7 5 7 4 1 Reference measurement II Exact centering of the wheel is a basic prerequisite for this reference measurement and for all balancing operations Sound and automatic start are active in the following description refer to Section 8 3 3 1 Attach a motor vehicle wheel of medium size e g width 5 5 diameter 14 and in very good condition to the flange 2 Enter the wheel data refer to Section 8 2 3 Close the wheel guard GG Measurement commences 4 Create an artificial unbalance by attaching a test weight of e g 60 g to one of the two sides 5 Close the whee
19. ised prior to completion of measurement Wait for end of measurement before raising wheel guard 3 1 Backward rotation of wheel on start of measurement 1 Check that wheel is stationary on starting and stop 2 Incorrect connection of motor it turning backwards on starting 2 Check proper connection of motor 4 1 No motor operation motor does not attain the neces 1 Check mains voltage probably too low sary speed 2 Check electrical connection or power cord 2 Fault in electrical connection 3 Replace the PCB leen 5 1 Balance weight not attached to wheel 1 Repeat calibration from the start and attach balan 2 Measurement sensors not correctly connected ce weight as specified by the process refer to 12 3 2 Check the connection of the measurement sensors 6 1 Wheel guard not lowered 1 Lower wheel guard with wheel attached 2 Damage to wheel guard safety switch 2 Replace wheel guard switch if Excessive phase difference between the 2 measurement 1 Check for correct attachment of calibration weight sensors 2 Check machine connection WBE 4140 probably not stable and vibrating excessively 3 Check contact between measurement sensor and Bee 4 Replace measurement sensor 5 Replace PCB 8 Inner measurement sensor not correctly connected 1 Check connection of left measurement sensor defective or open circuit in wire 2 Replace measurement sensor 9 Outer measurement sensor not correctly connected 1 Check connection of right measu
20. l guard GG Measurement commences gt The WBE 4140 must display precisely this unbalance value and position on this side The value indicated for the other side must not exceed 5 g Tl To check the position of the unbalance turn the wheel until the position recommended for attachment of the balance weights is attained The test weight attached must be vertically beneath the axis of rotation 6 o clock position H Calibration must be repeated in the following cases Deviation from specified unbalance value greater than 1 g on test weight side more than 5 g on other side Deviation from specified unbalance position test weight not between 5 30 and 6 30 position 6 Remove the test weight 7 Release the wheel and turn it through approx 35 8 Re attach the wheel 9 Close the wheel guard GG Measurement commences On completion of this reference measurement the display must not exceed a maximum unbalance of 10 g per side 15 g for particularly heavy wheels This error may be caused by the rim centering tolerances If this reference measurement indicates greater unbalance the components used for centering the wheel must be checked for wear play and contamination 1 695 655 779 2010 11 9 Factory calibration Tl We recommend carrying out the factory calibration during software updating replacement of the pick up of the measurement unit or of the board following the sequence below Flange calibratio
21. lock position 9 Remove the balancing weight from the internal side of the wheel and apply it on the external side 12 o clock 10 Press lt START gt GG Measurement is started 11 Turn the wheel until the weight is in 6 o clock position 12 Press lt OK gt gt Calibration is completed The performed calibration is automatically and permanently saved 7 3 Flange calibration O JL Follow the instructions shown on the monitor 1 Fit the flange refer to Section 5 Do not clamp the wheel do not use any clamping tools 2 Select flange calibration and confirm with lt OK gt gt Calibration is started 3 Close the wheel guard GG Measurement commences Flange calibration completed gt Unbalance set to 0 Calibration of electronic vernier cali per gauge arm 7 4 JL Follow the instructions shown on the monitor 1 Select calibration of the slide calliper and of the angular width gauge and confirm using lt OK gt SX NE gt Calibration begins Robert Bosch GmbH Standard calibration WBE 4140 33 en 2 Move the slides with distance A and width B to standby position and press lt OK gt 7 Remove the pin and assemble a 14 or 15 steel sample wheel using the relevant hold down nut 651046 11 3 Move the reading cursor of distance 0 mm Set the value read and press lt OK gt 4 Move the cursor of distance A against the
22. mbH inf Fig 8 Position of the piezo electric sensors Voltages The piezo electric sensors depending on the position they are placed receive a different stress and charge The one inside the shaft on the left is excited with a lower amount compared to the external one It can therefore be affirmed that the ratio between the two is of 2 or that the voltage measure by the external pick up is twice greater than that of the internal pick up int ext Fig 9 Stresses distributed on the shaft 8 2 1 Check of the phase difference Tl The term phase indicates a particular moment during the performing of a periodic phenomenon in this case the electric signal caused by the pick ups during the wheel cycle When two signals are considered one caused by the internal pick up and one by the external it is the phase difference between them meaning the difference of the read voltages For example with reference to fig 10 if the black signal represents the voltage of the external pick up and the red signal the voltage of the internal pick up it can be affirmed that the voltages are in antiphase meaning that the offset is equal to 180 the peaks of a signal coincide with the grooves of the other and vice versa SEGHALI IM CONTROPASE Ae w rad Fig 10 Ratio between the voltages measured by the pick ups 1 Access the self diagnosis menu Menu 1 The displays show the values read by the pick up in sequenc
23. n Calliper gauge measurement arm calibration Calibration with sample weight O N FR H At the end of every calibration carry out a control measurement 7 5 1 Recalling of the calibration menu 1 From the Settings and Service menu select Calibration and confirm by pressing lt OK gt PD Eso 2 Enter password lt gt lt gt lt gt The factory calibration menu is displayed Calibration with sample weight Flange calibration x Back to main page Calliper gauge and measurement arm calibration Factory settings 7 5 2 Calibration with sample weight JL Keep to the indications displayed on the monitor 1 Select Calibration with sample weight and confirm by pressing lt OK gt f gt Calibration is started 2 Bring the calliper gauge on the flange Bring the calliper gauge back to stand by position 4 Press lt START gt or close the wheel protection cap gt Measurement is started OO Robert Bosch GmbH Standard calibration WBE 4140 35 en 5 Apply the sample weight on the internal side of the flange w 6 Press lt START gt or close the wheel protection cap GG Measurement is started 7 Remove the sample weight from the internal side of the flange and apply it on the external side 12 Abilitazione Calibri Automatici Abilitazione Calibro Larghezza o clock ee 8 Press lt START gt or close the wheel
24. ng nut fig 16 Fig 16 5 keeping the calliper in stand by turn the potentiometer using nose pliers fig 17 to the value of 1000 50 Fig 17 6 Lock the fixing screw ensuring that the upper surface of the pinion and of the rack are complanar check the correct functioning during the run close the machine proceed with calibration of the callipers f 8 9 H The above notes are to be used for the correct repairing in case of replacing the entire calliper unit proceed only with the calibration Robert Bosch GmbH Replacement interventions WBE 4140 41 en 9 4 Diameter potentiometer positioning procedu re 1 Remove only the carter without disconnecting the boarq Start the balancing machine Enter the test menu Keep the value IN4 of the board shown unblock the nut on the shaft A fig 18 pos 1 of SE sss Fig 18 6 Slightly extract the rod of the calliper 7 Now lean the gauge against the shaft turn the potentiometer B as far as the value of 3000 50 Fig 19 8 Block the nut A on the shaft fig 18 pos 1 Robert Bosch GmbH 9 Check the correct functioning during the stroke 10 Close the machine 11 Proceed with the calibration of gauges chapter Calibration menu 9 5 Engine belt replacement 1 Remove the weights protection 2 Remove the central centring flange fig 20 pos 1 and once loosened the three screws fig 2
25. ossible dangerous Minor situation injury Below you will see an example of the Live parts warning notice by way of example with the signal word DANGER DANGER Exposure of live parts on opening the WBE 4140 Risk of fatal injury or heart failure from electric shocks on contact with live components e g master switch printed circuit boards gt Work on electrical installations or equipment is only to be performed by qualified electricians or trained personnel under the guidance and supervision of an electrician gt Disconnect KTS 340 from the mains before opening 1 1 2 Symbols in this documentation Explanation Designation g Attention Warns about possible property damage Information Practical hints and other Jl useful information ily Multi step Instruction consisting of several steps 2 operation One step Instruction consisting of one step operation Intermediate An instruction produces a visible gt result intermediate result 3 Final result There is a visible final result on completion of the instruction Robert Bosch GmbH DANGER Exposure of live parts on opening the WBE 4140 Risk of fatal injury or heart failure from electric shocks on contact with live components e g master switch printed circuit boards gt Work on electrical installations or equipment is only to be performed by qualified electricians or trained personnel under t
26. power board 38 8 4 1 Check belt tensioning 38 Potentiometers 38 8 5 1 Diagnosis distance potentiometer IN2 38 8 5 2 8 5 3 Diagnosis width potentiometer IN3 38 Diagnosis diameter potentiometer IN4 39 1 695 655 779 2010 11 9 8 6 Sak J2 9 3 9 4 9 5 9 6 9 7 10 11 Ingressi ed uscite digitali 39 8 6 1 Protection micro switch 39 Replacement interventions 39 Pick up replacement 39 Replacement Easy Aludata calliper 40 Width potentiometer positioning procedure 40 Diameter potentiometer positioning procedure 41 Engine belt replacement 41 Power board replacement 42 Video board replacement procedure 42 Suggested spare parts 43 Electric system 44 Robert Bosch GmbH Symbols used WBE 4140 25 en 1 Symbols used 1 1 In the documentation 1 1 1 Warning notices Structure and meaning Warning notices indicate hazards and their consequences for the user or surrounding persons Warning notices also describe the measures for preventing these hazards The signal word has a crucial importance It indicates the probability of occurrence and the severity of the hazard in case of non compliance Probability of Severity of danger if instructions not observed occurrence 1 2 On the product e Observe all warning notices on products and ensure they remain legible DANGER Immediate impending Death or severe danger injury Possible impending Death or severe danger injury CAUTION P
27. protection cap Abilitazione Eccentricita gt Measurement is started orta SD Tage 9 Turn the flange until the weight is in 12 o clock qua position 10 Press lt OK gt m 2 clans competed Sof x Fa oi EN The performed calibration is automatically and Calibri automatici ON ON JL After having carried out factory calibration with Calibro larghezza OFF ON sample weight access the standard calibration menu Tastatore aludata ON ON Pedale aludata OFF OFF 7 5 3 Flange calibration Eccentricita OFF OFF Freno elettromagnetico OFF OFF JL Follow the instructions for the standard calibration Abilitazione illuminatore OFF OFF see chap 5 4 2 Ciclo veloce OFF ON OFF ON 7 5 4 Calibration of electronic calliper gauge measurement arm JL Follow the instructions for the standard calibration see chap 5 4 3 7 5 5 Factory settings amp d PES ROE ME The balancing machine factory configuration can be defined by enabling and disabling some operations JL Scroll the several items of the components inside the menu with the buttons lt gt and lt gt II Define the ON OFF status with the buttons lt gt and lt gt Robert Bosch GmbH 1 695 655 779 2010 11 9 en 36 WBE 4140 Diagnostics 8 Diagnostics II The diagnostics can be used during after sales assistance for an in depth check of the various functions of the WBE 4140
28. r is connected does not count e Replace the encoder any space 8 4 Engine and power board Tl The functioning of the engine is completely managed by the power board gt f the wheel does not turn listen if by activating the cycle a click from the relays is emitted from the power board Difetto Correzione The wheel does e Check the electric connections not turn e Replace the engine or the condensers 1 695 655 779 2010 11 9 Check the tensioning of the transmission belt Replace the engine or the condensers The engine does e not reach the balancing speed e The wheel does not brake in reverse Check and eventually replace the power board Check and eventually replace the CPU board 8 4 1 Check belt tensioning To check the tensioning of the transmission belt use the tensiometer for optibelt TT mini S belts nominal value 120 10 Hz 8 5 Potentiometers JL The potentiometer used is of multiturn type where the shaft must fulfil more than one turn to go from one end of the run to the other gt To check the correct functioning of the potentiome ter turn the head and check that during the entire run the value is not blocked H It is necessary to check the values of the potentiometers when during entering of the measurements the machine displays the unacceptable values and even after calibration of the callipers the problem is not solved 8 5 1 Diagnosis dist
29. rement sensor defective or open circuit in wire 2 Replace measurement sensor 10 1 Measurement sensor for position recognition defective 1 Check connection of light barrier PCB 2 No motor operation 2 Check that the light barrier PCB is protected against light and provide a cover if necessary 3 If the fault persists check and if necessary replace the light barrier PCB 4 Check the mains connection Ti 1 Measurement sensor for phase recognition defective 1 Check connection of light barrier PCB 2 No motor operation 2 Make sure the light barrier PCB is protected against light and provide a cover if necessary 3 Check and if necessary replace the light barrier PCB 4 Check the mains connection des Weight outside setting range weight required for 1 Check whether the wheel is correctly attached to balancing is more than 250 g the flange 2 Determine the outer weight position neverthe less attach a 100 g weight and start a different measurement 18 Wheel data not entered Enter wheel data before performing measurement 19 Input signal of right measurement sensor Interchange the connections of the two measurement Robert Bosch GmbH lower than that of left sensor sensors 1 695 655 779 2010 11 9 en Faults 30 WBE 4140 Faults Causes Remedy 20 1 Pedal pressed during measurement 1 Do not press pedal whilst motor is in operation 2 Irregular rotational
30. sults following the sequence below Flange calibration Calliper gauge measurement arm calibration Calibration with wheel and sample weight O N ESS H At the end of every calibration carry out a control measurement 7 1 Recalling of the calibration menu 1 From the Settings and Service menu select Calibration and confirm by pressing lt OK gt HAN Eise 2 Enter password lt gt gt lt gt gt lt gt The standard calibration menu is displayed SBOE X Ego Calibration with wheel and sample weight Eis Flange calibration x Back to main page Calliper gauge and measurement arm calibration 7 2 Calibration with wheel and sample weight II Keep to the indications displayed on the monitor 1 Fix the wheel of a motor vehicle of average size and in excellent conditions e g 5 5 wide 14 diameter on to the flange 2 Select WBE 4140 Calibration and confirm by pressing lt OK gt Gei CRETE EN EN GG Calibration is started 3 Enter the data of the rim and confirm by pressing lt OK gt 1 695 655 779 2010 11 9 4 Press lt START gt gt Measurement is started 5 Enter any balancing weight between 40 g and 120 g and confirm by pressing lt OK gt 6 Apply the balancing weight of the value entered on the internal side of the wheel Press lt START gt GG Measurement is started 8 Turn the wheel until the balancing weight is in 12 o c
31. sword lt gt lt OK gt lt gt to display the service diagnostics menu display only mode 3 2 Control keys The WBE 4140 is operated by way of the lt I gt key 3 3 2 Calibration and the arrow keys The corresponding functions are described in Table 1 SZ OR BoE X Els Enter the password lt gt lt gt lt gt Tasto Descrizione Calibration with Go wheel Arrow keys Navigation in the menus and alteration of the 4 gt rim data values Flange calibration lt l gt Confirmation of settings Starts measurement Ends measurement Top 3 Tinzoni da tasti comando Vernier caliper and gauge arm calibration Press lt I gt to return to the previous page Robert Bosch GmbH 1 695 655 779 2010 11 9 en 28 WBE 4140 How to use the machine and surfing menu 3 3 3 Settings e Xe ig MCE Activates or deactivates the vernier caliper and the gauge arm Press lt OK gt to return to the previous page Positioning of adhesive weight electronic vernier caliper O manual vernier caliper 3 6 or 12 o clock Ro es 3 3 4 User defined settings SRE bor CODES x EI Activates or deactivates the screen saver Activates or deactivates acoustic acknowledgement signal Language selection rl Activates or deactivates automatic start start of measurement by closing wheel guard Press lt l gt to return to
32. them to be able to recognise them 1 695 655 779 2010 11 9 Robert Bosch GmbH 10 Suggested spare parts Fundamental tools for a correct assistance e Allen screws set e Screwdriver crosshead and slotted screwdrivers e Hex key set e Tester multimeter H For spare parts contact AADGT ASA Robert Bosch GmbH Suggested spare parts WBE 4140 43 en 1 695 655 779 2010 11 9 Q Pur n gt d o L aa o LL Ki T Lu Ki Ki o Electric system 11 ou zj zro33n12 3UurO1 TIN yoqtms exerg m MARRONE BROWI BIANCO WHIT N d da NMONE HNOUAVN Ed ezuejod rp epeyos pzeog remMog Ta 8dr cdr L gonI euotzejoid 107JNII JUTOTITNW UOIIMS OIOIN Hutsnoy TooUM z oj os H j F aH 2 ol al x w o SREI D S Q w Ge 7 ZA A 19 NO Ef Ee 21030N OUSTA 1030 eyerg a LIN Jl PPS S afp 72 Tl bdr antd oald O NMONXG ANONAYN ZL LION L LO orezouob 91099n11oquI YO UTMS UTEN MNId AHUD WSOU OIDIYND gTdund WTOIA HOVTA OUEN dax OSSO YNId WSOU and N1Ta APUD OIDNTAD paw set MOTTSA OTTIVID NAXUO AQUEA NMON ANONAYN LY S lt T MLIHM OONVIS paw ste SANOTOD AAOTOD ANM si oy VO P QO Oy 4 ezu qod Tp ep uos oorI1I443 T OAE VAOE ASNWAL rqeO 91190914 PIPOH Temog Aner anse Aner ANT Ka Aner ANGL Aner ANT CSS rode M3NSZ DO TTOdy water DO ZH09 0S
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