Chptr 5 rev d - Snap
Contents
1. m DURE CITED Effective 10 2007 Page 5 37 BFH OPTIMA T Press the lt Enter gt key F6 to start the outside scanner motor and laser The laser must scan from the outside edge of the power clamp horizontally across the Pruefrotor towards the back of the balancer See Outside Scanner Adjustment for procedure Press the lt Enter gt key to stop the scanner motor and to proceed to the next step Press the lt Enter Value gt key F4 and turn the shaft to access the rear scanner motor 2 Rotate the Pruefrotor forward 5 from a level position Press the Enter key F6 The rear scanner assembly will leave the home position and stop towards the middle The scanner motor will begin to move between two fixed points The laser line should fall somewhere within the cutout hole on the Pruefrotor A If the laser line does not scan the prefered area adjust the hex screw on the back of the assem bly to move the laser to the correct position Hex adjustment Effective Page 5 38 10 2007 BFH OPTIMA 10 Press the Enter key to stop the scanner motor and to proceed to step 4 Press and hold fX the Enter Value key F4 and turn the shaft to access the rear scanner horizontal drive motor 2 11 Remove the Pruefrotor from the shaft Press the Enter key F6 The rear scanner will begin to scan from left to right From the rear of the unit see wher2. BFH OPTIMA FIELD PROGRAMMING THE CAMERA PROCESSOR PCB The BFH Optima has two processors that can be programmed The main processor which is inside of the Electronic box and the Camera Controller PCB Each processor is programmed using the EEprom socket on the Main Processor PCB Programming the main Processor is mentioned earlier in this manual The camera processor PCB is flashed in the same manner 1 2 NOTE Turn off balancer Place EEPROM in micro controller socket with flat end at bottom of socket close to large blue connector The notched end is 3 spaces short of other end of socket Turn on balancer The following is a sequence of events that will take place three light audible beeps accompanied by 3 green light flashes on the Camera PCB followed by 1 red flash followed by 3 more green flashes followed by a constant flicker of the red LED Location Circled Below A continuous sequence of tones will sound from the keyboard indicating that the program loading is com plete and the red LED will stop flashing Turn off the balancer Remove EEPROM and turn on the balancer The normal startup procedure will be performed x9 Notch E E X EN O X E X E OH p 1 DSDM OSORA TURO BLLLELELLLLLLELELLLELLELLELLLLLLLLLLE 39 140 From Power Supply s
3. Mount the Pruefrotor the balancer shaft and enter in the parameters of the Pruefrotor using the balance screen Press the START button to begin the measurement run 2 Attach the 100 gram weight to outside of the Pruefrotor and press the START button START 3 After the shaft comes to a complete stop rotate the shaft to locate the 100 gram weight at BOTTOM DEAD CENTER position Press the lt ENTER gt key F6 to save the data 4 Store the new factors using C90 CALIBRATION COMPLETE Effective 10 2007 Page 5 27 BFH OPTIMA C90 SAVING CALIBRATION DATA All calibration data must be saved into memory before powering down the unit Any data that is not saved will be lost if the power is recycled 1 Press and hold the ENTER VALUES key F4 and rotate the shaft to change the selec tion window from O to 1 release the key 2 Pressthe ENTER KEYs to save all previous calibration data to permanent memory CALIBRATION DATA SAVED C98 POWER CLAMP ENCODER Once the code is called up the reading should display After the incremental encoder has identified zero reference the angular location is displayed in a range between 0 and 63 Use of this C code and meaning are identical with C code 74 If this test should fail no 23F check the following Cables of the opto switch Connectors on cable e Clean the incremental encoder tape Effective Page 5 28 10 2007
4. Introduction Screen press the x FUNCTION key F1 to enter in to the Function Menu FUNCTION 2 By pressing the F6 key times successively the SERVICE key will become active NOTE BEFORE PERFORMING ANY C CODES ON THE BFH OPTIMA BALANCER THE TECHNI CIAN MUST FORCE THE BALANCER INTO THE MANUAL MODE Effective Page 5 32 10 2007 BFH OPTIMA 3 Bypressing the F4 key the service program will become active SERVICE 4 Press and hold the lt C CODE gt key F1 and rotate the main shaft the to select C122 or C123 Release the lt F1 gt key once the desired C code is displayed Effective 10 2007 Page 5 33 BFH OPTIMA MainPw 0 MainAdc 36 4 MainCal 8 ZOFail 12 ZOMark 28 ChO X XX CCD00 1 33 EEPOChk 5 9 Z1Fail 13 Z1Mark 29 Ch1 X XX CCD1 2 EEP1Ack 34 EEP1Chk 6 10 Z2Fail 14 Z2Mark 30 Ch2 X XX CCD2 3 EEP2Ack 35 EEP2Chk 7 EEP2Cal 11 Z3Fail 15 Z3Mark 31 Ch3 X XX LasOEna 45 LasOPw 37 LasOPwm 41 MotOPw 20 MotOChk 16 MotOEna 24 Ch4 X XX LasiEna 46 Las1Pw 38 LasiPwm 42 Mot1Pw 21 MotiChk 17 MotiEna 25 Ch5 X XX Las2Ena 47 Las2Pw 39 Las2Pwm 43 Mot2Pw 22 Mot2Chk 18 Mot2bEna 26 Ch6 X XX Busy 44 MsEnc 40 MotorPw 32 Mot3Pw 23 Mot3Chk 19 MoteEna 27 Ch7 X XX Effective un 10 2007 DIAGNOSITC BITS SHOWN IN BLACK Diagnostic bits O failure is displayed
5. Runout measurement of the wheel is not possible Hardware tests 1 If an error occurs during the hardware test The four hyphens replace the digits 0 to 9 and the letters A to F which all characterize an error defect Refer to all Error Codes in Appendix A The following test are performed Power supply voltage 235V 5V line Incremental encoder Current of optoelectronic LED Transducer signal available Auto Stop System Voltage for relay on Motor Control Board I10O0U 2 A Hardware test common errors C10F02 Test returned with an error No valid test results available C10F07 Test function reported an unkown error C10F18 Test timed out No valid test results available B Hardware test Power supply voltage C10800 C10801 C10804 Service Codes C55 to check line voltage If the line voltage is below or above a limit the error code is displayed See C55 Effective 10 2007 Page 5 9 BFH OPTIMA C Hardware test 5V line C10810 C10811 Service Codes C110 to check 5V voltage If the 5V voltage is below or above a limit the error code is displayed D Hardware test Current of optoelectronic LED C10705 C10706 C10707 C10708 Service Codes C75 AdC1 to check LED If the current voltage is below or above a limit the error code is displayed E Hardware test Transducer signals C10410 C10420 C10430 Service Codes C103 C104 to check transimpedance and signal amplifiers and transducer valu
6. THE SCANNER ASSEMBLY THE SCANNEH ASSEMBLY COMES CALIBRATED FROM THE FACTORY 7 Mount a Pruefrotor on the balancer shaft and secure Program the balancer for step 2 of C123 Verify that the laser light moves horizontally from left to right The illustrations below show the direction that the laser line moves using the adjustments screws Each direction of movement can and will effect the other adjustments most cases the number 1 amp 2 adjustment screw is the only needed movement after replacement of a scanner Secure all screws 8 Ifthe number 1 amp 2 adjustment screw do not bring the laser within specification it may be necessary to adjust all adjustment screws Before doing so it is recommended to level the scanner in two locations before any adjustments are made Doing so will bring the scanner very close to specs and only a small amount of adjustment will be necessary Level the scanner in the two locations indicated POINT Effective 10 2007 Page 5 41 BFH OPTIMA REAR SCANNER INSTALLATION 1 Remove the rear cover from the Slide Car 2 Remove the philip screws from the scanner box 3 Remove the front glass from the scanner box 4 Remove the 1 Hex screw securing the scanner assembly and disconnect all wires 5 Special attention must be spent when installing the rear scanner assembly The scanner bracket and the mounting bracket must be aligned parallel with each other 6 Install t
7. after completing the calibration procedures and an END will be displayed for step 5 Perform a C90 to store the new calibration factors 6b Unclamp the Pruefrotor and clamp the T fixture on the shaft with the reference hole yellow arrow away from the balancer Using a torpedo level vertically level the T fixture Press lt F6 gt to confirm 7b Slowly rotate the T fixture 85 degrees CCW until LOCK appears and engages the magnetic brake Hold that position until the brake locks and CAL Fa appears onthe screen The rear scanner assembly will engage and travel across the back When the scan is complete the brake WILL NOT release Firmly grab the T fixture and press lt gt the brake will release Perform a C90 to store the new calibration factors NOTE IFAN ERROR OCCURS DURING CALIBRA TION REPEAT EACH STEP CAREFULLY SHOULD AN ERROR OCCUR A SECOND TIME MAKE SURE EACH SCANNER IS ADJUSTED CORRECTLY USING C123 CALIBRATION COMPLETE C123 DIAGNOSTIC FUNCTIONS When troubleshooting the BFH Optima series balancer it is recommended that the technician use the diagnostic informa Effective 10 2007 Page 5 31 BFH OPTIMA tion that is available on screen in both the C122 and C123 functions Information from each scanner laser assembly is reported on screen and is color coded for easy diagnostics When the balancer is initially powered up the unit will run a self diagnostic t
8. board is the liason between the three Scanner CCD assemblies and the Main Processor PCB inside the Ebox J6 7 8 9 Pin 1 2 5 3 4 6 J10 Pin 3 4 J11 Pin 1 2 4 3 J12 Pin 1 2 4 6 3 5 13 14 0 9 10 11 12 J13 Pin 1 2 3 4 5 6 Page 5 4 Direction Digital Out Power Out Digital Out Digital Out Digital Out Direction Power Out Digital In Direction Digital In Digital In Direction Power In Digital In Digital I O Direction Power In Name 5Vdc Zpos3 Name PH A PH B Name NC IIC SCif IIC SDif Name Description Stepper Motor Phase B Common Power Supply Stepper Motor Phase D Stepper Motor Phase C Stepper Motor Phase A Description Digital Power Supply 5V Motor 3 Zero Position dGnd Digital Ground Description Encoder Phase A dGnd Digital Ground Encoder Phase B Description External 5V power supply External Ground Not Connected External 1 Serial Clock External IIC Serial Data Description External Motor Power Supply External Motor Ground Effective 10 2007 J14 15 16 Pin Direction Name 1 18 20 2 Analog In OSx 3 Analog In DOSx 4 12 Power Out 5Vd 5 Digital Out FRMstx 6 Out LPx Digital Out RSTx 8 10 Power Out 3 3Vd 9 Digital In AUXoutx 11 Digital In CONVstx 13 Digital I O SDA 14 16 Digital Out 0 1 15 Digital Out SCL 17 Digital In Zposx 19 Digital Out LASERx J10 Rear Encoder Zero J13 Motor Power J12 PCB
9. electrical signal produced by the sensor Standott Range Max Range Baseline Sensor Calibration Curve a Distance The distance between the object and the LASER source may be calculated In practice a calibration procedure is performed and a polynomial interpolation of a suitable degree is used Specifically the BFH Optima system implements cubic spline interpolation with shape preserving characteristics The complete process is as follows 1 Laser power exposure time settling The system is able to set the optimum values of laser power and CCD exposure time according to the ambient light amount of reflected light and reflectivity of objects 2 Background subtraction Two successive readings are taken in the first the laser source is off in the second is on Complete sensor readouts are kept in the computer s memory The difference of the acquired data provide an image of the CCD sensor without effects due to ambient light 3 Detecting the position of the light peak on the linear optical image sensor 4 Calculating the distance to the object by means of polynomial interpolation Effective 10 2007 Page 5 1 BFH OPTIMA Profiling In the BFH Optima Series system the distance measuring devices range finders are rotated in a plurality of known positions by a stepper motor so that they constitute optical scanners The scanners detecting the distances from a known position of a plurality of poi
10. in RED 1 ok is GRAY Note Diagnostics bits will produce an error code Bit Shown label Meaning 0 MainPw 1 CCDO 2 CCD1 3 CCD2 4 MainEEP 5 EEPOChk 6 EEP1Chk 7 EEP2Chk 8 MainCal 9 EEPOCal 10 EEP1Cal 11 EEP2Cal 12 0 13 Zl1Fail 14 72 15 Z3Fail 16 MotOChk 17 MotiChk 18 Mot2Chk 19 Mot3Chk 20 Mot0Pw 21 Mot1Pw 22 MotePw 23 Mot3Pw 32 MotorPw 33 34 EEP1Ack 35 EEP2ACk 36 MainAdc 3 Las0Pw 38 Las1Pw 39 Las2Pw 40 MsEnc 41 LasOPwm 42 LasiPwm 43 Las2Pwm Notes Analog logic power supply Inner CCD signals Outer CCD signals Rear CCD signals2 Main board EEPROM memory valid Inner EEPROM memory valid Outer EEPROM memory valid Hear EEPROM memory valid Cameras calibration E360 C122 Inner scanner factory calibration Outer scanner factory calibration Rear scanner factory calibration Inner motor home mark detection Outer motor home mark detection Rear motor home mark detection Rear shift motor home mark detection Inner motor missing steps Outer motor missing steps Rear motor missing steps Rear shift motor missing steps Inner motor current sink power check Outer motor current sink power check Rear motor current sink power check Rear shift motor current sink power check External motor power supply Inner EEPROM memory ACK Outer EEPROM memory ACK Rear EEPROM memory ACK Camera board A D converter check Inner laser current sink power check Outer
11. input AdC 0 AdC 1 AdC 2 AdC 3 AdC 4 AdC 5 AdC 6 AdC 7 AdC 8 AdC 9 AdC 10 AdC 11 AdC 12 AdC 13 AdC 14 AdC 15 AdC 16 AdC 17 AdC 18 AdC 19 AdC 20 AdC 21 AdC 22 AdC23 AdE 1 AdE 2 Effective 10 2007 Channel Description REF AD fLED CW fSON TMP fBAL TMP fANA3 fANA2 1 fPOt WHO fPOT OFS fPOT DIA RF1V23 VCC W fLINE V AIR AIL VCSSw VBrCur VDisp VAssStat VRimSens VRelCur via multiplexer on the power interface Reference voltage of external AD converter LED current control Temperature ultrasonic unit Temperature of transducer vibratory system Motor current Power interface board multiplexer channel Y Power interface board multiplexer channel X free Width potentiometer not used Distance extraction potentiometer not used Diameter angle potentiometer not used Internal reference voltage of analogue unit potentiometer voltage of 5V supply Mains voltage control Input of voltage amplifier in front unbalance channel Input of voltage amplifier in rear unbalance channel 0 793 supply voltage to external switches free Coil current of solenoid brake not used free Supply voltage of display board Voltage on capacitor of AutoStopSystem Identification of rim material not used Coil current of relay External AD converter rear transducer External AD converter front transducer Page 5 19 BFH OPTIMA Page left blank intentionally Effecti
12. laser current sink power check Rear laser current sink power check Shaft encoder zero mark detection Inner laser modulation Outer laser modulation Rear laser modulation BFH OPTIMA Notes 1 Available only on new camera boards EAP0204G50B default to 1 on former boards 2 Obviously fails on any BFH Optima without the rear scanner this unit does not have a rear scanner and camera assembly 3 Valid after runout measurement only Effective 10 2007 Page 5 35 BFH OPTIMA STATUS FLAGS SHOWN IN BLUE Status Bits 0 disable is displayed in GRAY 1 enable is BLUE Bit 24 Displayed MotOEna Mot1 Ena Mot2Ena Mot3Ena ZOMark Z1Mark Z2Mark Z3Mark Busy LasOEna 51 Las2Ena Meaning Inner motor power enable Outer motor power enable Rear motor power enable Rear shift motor power enable Inner motor home mark Outer motor home mark Rear motor home mark Rear shift motor home mark Firmware ready busy status Inner laser power enable Outer laser power enable Rear laser power enable ANALOG INPUTS SHOWN IN GREEN For Analog Values normal data is GREEN out of range is RED Ch Analog input Valid range 0 5 00 V power supply 4 80 V 5 60 V 1 5 00 V analog power supply 5 60 V 4 80 V 2 3 30 V logic power supply 3 00 V 3 60 V 3 9 00 V external motor power supply 8 00 V 12 00 V 4 AUX 0 external input 0 V 4 096 V 9 AUX 1 external input 0 V 4 096 V 6 Laser current sin
13. that they can be called up and reported by the operator of the wheel balancer e g for remote diagnosis of malfunctions The most recent malfunction code is written into memory location 1 and the previous error codes are shifted to the higher memory locations Displays the internal error code 6 digits NOTE MAKE SPECIAL NOTE OF DIAGNOSTIC CODES THAT RELATE TO A SPECIFIC COMPO NENT REPEATED DIAGNOSTIC CODES POINT TO THE FAILED COMPONENT Use the Enter key F4 to proceed to the next error message reading Err1 Err10 If no error occurred is displayed Clearing the entire error memory step 2 Press the Acknowledgment key to proceed to step 2 Use the option selection to choose 1 and acknowledge with the Enter key F4 Effective 10 2007 Page 5 17 BFH OPTIMA C43 RESET COUNTERS This C Code is used to reset all balancer counters The following counters are reset This code will not clear any error codes that have been set into memory e Total number of measuring runs e Number of measuring runs where balance quality was considered OK e Number of optimizations and minimizations e Number of measuring runs in service mode e Number of measuring runs since the last calibration 0 No reset of counters 1 Reset of counters C47 SELECT MACHINE MODEL This balancer is sold world wide under different brands and model numbers To validate any software upgrades Enter C47 press the lt F4 gt key followed by pressing the lt
14. the following Uneven distribution of weights on the tire Uneven distribution of weights on the rim Geometrical deformation of the tire Geometrical deformation of the rim Uneven tire elasticity variation in stiffness The BFH Optima system allows the identification of geometrical deformations in the rim that is to say deviation of the rim axis from its axis of rotation Radial and Lateral Runout The scanner devices are rotated to a known position so that the LASER beam hits the surface of the rim at a predetermined point The rim is rotated about the wheel balancer shaft and a plurality of distance measurements are taken at known rim angles of rotation The operation is repeated for at least one other known distance measuring device position On the basis of the data gathered in this way a calculation process defines the eccentricity Radial Runout and angle Lateral Runout of the rim axis relative to the axis of rotation This data can be used to provide the user an indication of the quality of the rim examined It is also used to provide the user with indications on how to position the tire relative to the rim in order minimize the effects of such deformations In fact the system allows the measurement of geometrical data relative to tire deformations deviation of the tire axis from its axis of rotation The distance measuring device is moved by rotation and translation to a known position so that the LASER beam hits the su
15. 0 153 2 The display will quickly show LOCK and the magnetic co brake of the balancer will engage The inner STEP scanner will scan the inside profile of the pwP 1532 Pruefrotor DO NOT MOVE THE SHAFT UNTIL INSTRUCTED After the scanner completes the profile a beep will sound NOTE LOWER THE HOOD FOR THE FOL LOWING STEPS Effective Page 5 30 10 2007 BFH OPTIMA 5 Slowly rotate the shaft clockwise 70 223 2 Once again the LOCK will display and the magnetic brake will engage The outside scanner will begin to take an outside profile of the Pruefrotor The laser light will move from the balancer shaft out to the end of the Pruefrotor See the red arrow to the right After the profile has been taken a beep will sound At this point it is possible to proceed two different ways providing you have a calibration tool UI 2 9 or higher AWP 0 71 or higher If the balancer has the software and tool to accomodate the T fixture proceed to step 6b 6 Slowly rotate the shaft clockwise 5 228 2 Once the correct position is reached the LOCK will be displayed and the magnetic brake will engage and lock the shaft The rear scanner will begin to travel and make a com plete cycle from the left to the right and back to the left A The scanner is determining the location of the face of the bell housing and the runout profile of the Pruefrotor 7 The balancer will emit a tone
16. 134 5VDC E 8 E E X H E E E X E X H EK IF A NEW COMPACT FLASH IS INSTALLED ON THE EMBEDDED PC IT WILL BE NECES SARY TO PERFORM A C47 AFTER INSTALLTION FAILURE TO DO SO WILL NOT DIS PLAY ANY NEW GRAPHICS OR FEATURES THAT WERE INSTALLED Perform service codes in the following order e 123 Verify all scanner are profiling correctly e 122 Calibration of all 3 scanner assemblies The machine is now ready for use Page 5 44 EN aror E Sal D a PE neal STOR wires d d mm mO TOR OITNNER ee i E TIER fina lg afi La Lal Iib ks a wa ran SUR 2 if xiii NO dG As uri 5 Mas ft Hi 0 am M bes eins ipee Pus rid Ai TN egt 2 gie eur oa 2EM LI MIB Y FU A T a WERE 52 IRE ARI LoD Effective 10 2007 BFH OPTIMA REMOVING THE BELL HOUSING It may be necessary to remove the bell housing from the vibratory member to either clean or replace it Follow the process below 1 Un plug the balancer from the power source 2 It may be necessary to remove the weight tray Using a 13mm
17. 4 Make note of the following line items User Interface Revision Number and Date Revision may not change however date may Balancer Kernel Revision Number and Date Display Revision Number and Date Optima AWP Version Number QUALIFYING THE BALANCER The BFH Optima is a very precision piece of equipment In order for each scanner to accurately measure tire and wheel profiles each scanner must be adjusted and calibrated within manufactures specification Below is a step by step procedure that can easily be followed to qualify the BFH Optima Each of these procedures should be checked on every service call These steps will validate each component should a failure of a component occur the balancer will not pass one of these test and it will be necessary to complete a more in depth analysis Change the balancer to manual mode Page 5 12 Check C55 for the proper supply VAC in Check C110 for proper voltage 5 23 VDC 05 Check that the proper voltage is being supplied to the embedded PC 5 00 VDC 25 volts See adjustment 9 volt camera power supply The output voltage of the camera power supply is 9 25 VDC 25 See adjustment C83 Manufactures vibratory calibration Pruefrotor required C84 Empty shaft calibration 4mm Calibration ring required C88 Top Dead Center TDC wheel weight positioning Pruefrotor required C123 Mechanical adjustment of all three camera assemblies 0 C122 Calibration of all three c
18. 85 or C86 the machine will remain in service code mode It will be necessary to perform manufatures calibration C83 C84 C88 Check model information E 900 Service Codes C47 to set model The stored machine model is not known If the trouble signalled by the error code is not remedied using service codes C47 the machine will remain in service code mode Check keyboard E 89 Service Codes No service code available One of the keys F1 to F6 HELP ESC START supplies a key code The machine will proceed with the next step only if the trouble is remedied Check pedal switches E 89 Service Codes C56 to check the pedal switches C75 AdC16 to check voltage to external switches See C75 One or if available both pedal switches are actuated The user can now remedy the trouble Press STOP or ESC key to check the pedal switch once again and to delete the error code reading If the trouble cannot be remedied the pedal is made inoperative Check BFH Optima Calibration 360 Service Codes All codes available for this model The BFH Optima hardware requires wheel profiler position calibration When the camera controller board is replaced on the machine the software detected that calibration data is missing Calibration procedure C122 is required to calibrate the actual position of the laser scanners with respect to the balancer reference plane Effective Page 5 8 10 2007 10 11 12 13 BFH
19. BFH OPTIMA C110 VCC VOLTAGE The operating voltage of the processor is 5 23 VDC 25 volts If the voltage is out of range the balancer may experience a reset problem or it may display 81118b indicating that the voltage is to high or 81018b indicating that the voltage is below the acceptable range A small adjustment on the balancer power supply can be made Follow the procedure below to bring the voltage within the acceptable range Before adjust ing the output voltage of the power supply observe the voltage reading using C110 and record this reading Place a DVM on the input power leads on the embedded PC the acceptable voltage is 5 10 05 A differ ence of 20 volts between the output power supply pcb and input embedded PC may indicate a problem with a connection or cable Repairs must be made before attempting the voltage adjustment below Remove the weight tray CAUTION Remove the cover from the power supply HIGH VOLTAGE PRESENT Power up the unit Enter the service menu and press lt 110 gt Using a tweaker tool adjust the voltage between 5 20 and 5 26 VDC BH LM E hem L F E AN L F E i E k 4 1 1 Li i L L an cs qc 6 Verify the voltage reading at the embedded PC connection to ensure that it is acceptable C120 ENABLE DISABLE LASER POINTER 0 Disable laser pointer 1 Enable laser pointer This
20. C E Adjustment Pot Pin 6 a A pai um X s al 5 z L 1 Effective Page 5 6 10 2007 BFH OPTIMA POWER CLAMP ASSEMBLY The BFH Optima series balancer is equipped with a power clamp that eliminates the need for a standard or quick clamp nut The Power Clamp is activated by lifting up on the foot pedal mounted on the balancer The vibratory system has an optical sensor mounted on the shaft that senses variation on a visible encoder disk The opti switch looks to see if the shaft is spinning before operating the power clamp The power clamp will not open or close if the shaft is spinning The large pulley drives the power clamping jaws while the magnetic brake is engaged and is holding the shaft Should the clamping jaws be engaged during the event of a power failure there is a manual overide to disengage the power clamp so the wheel tire assembly can be removed Manual Overide Wheel and Tire Removal Procedure 1 On the front of the balancer remove the plug from the access holes 2 Insert a large screwdriver into the access hole approximately 6 inches 3 Slowly turn the Wheel and Tire assembly CW until the Manual Stops make contact with the screw driver 4 Continue to turn the Wheel and Tire assembly until the power clamp cup reaches the end of the shaft 5 Once power is resumed simply lift up on the foot pedal to re engage the power clamp mechanism Access Hole Manual Stops E
21. CHAPTER 5 BFH SERIES INTRODUCTION The BFH Optima Series system is a wheel balancing machine equipped with three optical scanners Two scanners capture images of the wheel rim profiles inner and outer so that the co ordinates of optimum positions for application of the balancing weights can be calculated automatically and without user inputs The scanners are also used to obtain geometrical data about rim deformations deviation of the rim edges from its axis of rotation Rim Runout The third scanner provides geo metrical data about tire deformations deviation of the tire from its axis of rotation Tire Runout Such data is used for advanced diagnosis of the wheel as well as to provide the user with indications on how to proceed in order to minimize the effects of such deformations THEORY OF OPERATION The BFH Optima Series system is based on distance measuring devices range finders based on the principle of LASER triangulation This device comprises a LASER source a lens and a linear optical image sensor CCD charge coupled device The beam of coherent light emitted by the LASER source hits the object whose distance is to be measured The beam of light is diffused scattered in a plurality of light rays from the surface of the object and the rays are concentrated by the lens in a spot on the sensitive surface of the linear optical image sensor The position of the spot on the sensor is determined by a digital analysis of the
22. F6 gt key the balancer will reboot after a few seconds C55 INCOMING LINE VOLTAGE Measured line voltage going into the electronic box The correct voltage is 280VAC 10 C56 CIRCUIT STATE OF THE WHEEL GUARD This test function can be used to determine the angle at which the wheel guard switch trips With the wheel guard in the open up position the reading should be 000 Slowly lower the wheel guard to the closed down position the reading will change once to 100 indicating the position of a closed wheel guard By pressing down on the foot pedal the value should change to 010 by pulling up on the foot pedal the value should change to 001 C57 VIBRATORY TEMPERATURE SENSOR Measures the vibratory temperature measurement displayed in Celcius C60 MOTOR RPM Once this code is called up is displayed in the right display As soon as measured data is available the current speed is displayed The correct value is 190 10 RPM C74 POSITION COUNTER AND BASIC INCREMENTAL SHAFT ENCODER TEST Once this code is called up the angular position and incremental encoder status register are display continu ously For a short test turn the main shaft at least 2 turns in both directions the status register then must show 23F For detailed status information see below Angular position As long as the incremental encoder has not yet synchronized with the zero reference the angular location reading is After synchronizati
23. OPTIMA Check BFH Optima Hardware E 361 Service Codes All codes available for this model Wheel profiler is not present or responding during the self test The balancer controller board was not able to communicate with the camera controller board during start up test Possible causes camera controller board is missing or dead cable connecting the balancer controller board and the camera controller board is un plugged damaged or missing Check BFH Optima Hardware E 362 Service Codes All codes available for this model Main camera board self test failed Balancing is not possible since wheel data cannot be scanned Problem during power up Switch power off and on again Possible camera board failure Check BFH Optima Inner Scanner E 363 Service Codes All codes available for this model Left side scanner self test failed or CCD not calibrated or zero mark not detected Balancing is not possible since wheel data cannot be scanned Check BFH Optima Outer Scanner E 364 Service Codes All codes available for this model A Right side scanner self test failed or CCD not calibrated or zero mark not detected Balancing is not possible since wheel data cannot be scanned Check BFH Optima Rear Scanner E 365 Excluding 800 Service Codes All codes available for this model Hear scanner self test failed or CCD not calibrated or zero mark not detected Wheel data can be scanned balancing is possible
24. Power ee ail J11 STI Power acta Clamp EE Encoder Er 1 a ai ELECTRONIC BOX EM E uiid s j mu Description Digital Ground OS CCD signal DOS CCD signal 5V Digital Power Supply Frame Start Signal Laser Pointer Switch Reset signal 3 3V Digital power supply Auxialiary Digital out Conversion start signal IIC serial data EEPROM address configuration serial clock Scanner home position signal Laser modulation signal J9 J8 J7 J6 Rear Rear Outside Inside Scanner Scanner Scanner Scanner Motor Motor Motor Motor Drive i d pts I UNTEN x p ik n TE 1 4 eae ete ND VHA A ayaa TE VETT BFH OPTIMA J16 Hear CCD J15 Outside CCD J14 Inside CCD The BFH Optima is equipped with an electronic box somewhat like the Y2k balancers Additional compo nents have been added to the power supply pcb to operate the Power Clamp and the Power Clamp switch The box is backwards compatible but the older Ebox will not work in the BFH Optima balancer Effective 10 2007 Page 5 5 BFH OPTIMA SCANNER LASER CCD The BFH Optima is equipped with 3 Scanner assemblies Each of these assemblies are installed and cali brated as complete assemblies A role call is performed with each one on boot up There are no serviceable components on these assemblies with the exception of
25. amera assemblies Pruefrotor required 1 Change from Manual Mode back to customers preference gt ANS e o GB DN OD NOTE RUN A C90 PROCEDURE AFTER STEPS 4 54 6 Effective Page 5 46 10 2007
26. e the laser line is running along the shaft The rear drive laser should run parallel with the shaft and in the center If the laser does not run parallel with the shaft the rear scanner assembly may not be mounted parallel with the cabinet or the vibratory system may not be level with the cabinet Press the Enter key F6 to stop the motor drive Press the Esc key on the keyboard to exit this test CCD LASER SCANNER INSTALLATION Should any of the scanner assemblies require replacement it will be necessary to make some mechanical adjustment before calibrating the unit C83 84 88 and 122 and returning it to service These adjustments should run parallel with the C123 The ribbon cable that feeds the CCD must have some slack at the scanner assembly This can be tested by manually pressing on the scanner assemblies A small amount of play is necessary and they should return to the home postion INNER SCANNER INSTALLATION 1 Power down the unit 2 Remove the 4 phillip screws that secure the shield Effective 10 2007 Page 5 39 BFH OPTIMA 3 be necessary to manually swing the scanner assembly downward to access the bolts that secure the assembly to the vibratory 4 Remove the two Socket Head Cap Screw that secure the assembly to the vibratory DO NOT DROP THE SCANNER ASSEMBLY 5 Disconnect all cables and reverse this procedures for installation OUTER SCANNER INSTALLATION 1 Pow
27. er down the unit 2 Remove the 4 phillip screws that secure the shield 3 Firmly hold the scanner assembly and remove the 2 Socket Head Cap Screw 1 and 2 that secure the scanner assembly to the hood frame 4 Disconnect all cable assemblies and reverse the procedure for installation NOTE IF A CABLE IS REPLACED AND A ZIP TIE IS CUT OR SILICON ADHESIVE BOND IS BRO KEN IT IS VERY IMPORTANT TO REINSTALL THESE SECURING FEATURES HOOD ADJUSTMET Before making any adjustments to the outside scan ner it is recommended that the hood be checked for the proper height in the closed position Failure to do So could cause the outside scanner to fail during a C122 calibration 5 Measure the distance from the ground to the center of the shaft and record this distance Measure distance between the ground and the center of the adjustment screw labeled 3 in the figure above If the measurements are different the hood must be adjusted to match the two measurements 6 Loosen the Hex screw on the back side of the hood block Loosen the jam nut yellow Using a wrench turn the adjustment screw red until while monitoring the height between the ground and the screw mentioned in step 5 Page 5 40 Effective 10 2007 BFH OPTIMA OUTER SCANNER INSTALLATION cowTINUED The HOME reference and the orientation of the projected laser can only be adjusted using the mounting screws listed below NOTE DO NOT WITH
28. es If no signals from the transducers are detected the error code is displayed F Hardware test Auto stop system C10380 C10381 C10382 C10383 Service Codes C75 Adc21 to check voltage on capacitor of the auto stop system If the voltage is below or above a limit or the recharging time is above a limit the error code is dis played 14 Hardware test disturbed H 82 Service Codes All codes available for the model A self test was disturbed e g wheel was rotated during the transducer test The code is displayed for 3 seconds then measurement is repeated 10 times maximum or aborted using the STOP or ESC key 15 Power clamp service interval expired E93 All codes available for this model After a successful boot up the following screen will appear on the display Effective Page 5 10 10 2007 BFH OPTIMA DISPLAY DESCRIPTION The Display of the BFH Optima Series balancer is divided into three parts Each of these parts display different information throughout the use of the balancer e Main Screen Main information screen for the user interface e Function Key area Six function keys F1 to F6 the functionality of the keys can change in every screen Represents the function of the keys on the keyboard e Status Area Status information from top to bottom balancer model and software revision date and time screen name balancer status i e adapter compensation active loaded user error messages Area Main
29. est of all internal components Each of these test are outlined in the service manual TEEWB519A After running the internal diagnostic test the software initiates a self test of all 3 scanner and laser assemblies along with the AWP board If there are any failures to report the technician can determine the failed component using C123 Some failures reported are easily repaired with minor adjustments and calibration and other failures may require scanner replacement The information on C122 and C123 is broken into 3 categories 1 Diagnostic bits Self diagnostic test on CCD EEP memory Cal calibration and ZMarks home reference If a Diagnostic bit is in red the unit will display an error code on boot up 2 Status Flags Status flags are used to indicate that a command has been issued to a device and the device has responded to the command This does not mean that the component is functioning correctly 3 Analog Inputs There are eight A D converter channels checked Normal Analog errors reflect AWP failures When analyzing data from C122 C123 diagnostic screen the scanner and laser assemblies are identified as Inside Camera Outside Camera Rear Camera Rear Slide Car CCDO camera CCD1 camera CCD2 camera EEPO memory EEP1 memory EEP2 memory MotO motor Mot1 motor Mot2 motor 13 motor ZmarkO motor home ZMark1 motor home ZMark2 motor home ZMark3 motor home ACCESSING THE DIAGNOSTIC FEATURES 1 From the
30. feature will turn the laser on off during the ALU S mode It is recommended that the laser should be enabled Effective 10 2007 Page 5 29 BFH OPTIMA C122 SCANNER LASER CCD CALIBRATION Before the Scanner assemblies can accurately obtain the data needed to balance the wheel and tire assem bly they must be calibrated The calibration information is stored on the CCD Scanner PCB This informa tion is stored automatically after completing the calibration It is recommended that a check of scanner adjustments be made using the C123 procedure before calibrating the scanner assemblies NOTE THE BALANCER MUST BE IN THE MANUAL MODE AND ALL PRUEFROTOR PARAMETERS ENTERED BEFORE CONTINUING THIS PROCE DURE AT LEAST TWO REVOLUTIONS OF THE SHAFT SHOULD BE MADE SO THAT THE SHAFT ENCODER CAN LOCATE HOME REFERENCE THIS CAN BE DONE BY QUICKLY ROTATING THE SHAFT UNTIL THE ENCODER READS 1 Mount the Pruefrotor as shown in the figure on the right making sure the the orientation of the Pruefrotor is turned correctly Failure to do so will fail the calibration procedure 2 Using a small magnetic torpedo level turn the shaft until the Pruefrotor is in the verticle posi tion 3 Press the Enter key F6 After doing so the display will change and display a random num ber This number is not important however make note of the number for the next step For our example we have used 133 2 4 Slowly rotate the shaft clockwise 2
31. ffective 10 2007 Page 5 7 BFH OPTIMA SELF TEST DURING START UP The BFH Optima performs a start up routine when power is applied A series of self diagnostic tests is conducted after the machine has been turned on If a test is not successful a series of audible signals is given or error code is displayed A three tone signal is given once the machine is operative In case there is a functional error it must be acknowledged by pressing the STOP or ESC key to proceed Listed below are the steps that the balancer performs along with possible E Codes Codes or H Codes that could occur This is for informational purposes 1 Communication between microcontroller and embedded PC Blue screen Service Codes No service code available Communication between micro controller and embedded PC is not OK check connecting cable This can also indicate a bad connection to the keyboard Check cabling between embedded PC and proces sor or cable to switches on the front panel Check availability of keyboard 300 Service Codes No service code available The microcontroller was not able to detect a keyboard Check cabling between microcontroller and keyboard Check content of permanent memories E 145 Service Codes C85 C86 to copy content of permanent memory Contents of both permanent memories are different but both contain valid data If the trouble signalled by the error code is not remedied using service codes C
32. he protection glass onto the scanner box assembly 7 Program step 4 of C123 8 Look atthe reflection of the laser back on the scanner The reflection should come close to being on top of the original light source Page 5 42 Reflection JAEN Image Effective 10 2007 BFH OPTIMA REAR SCANNER DRIVE BELT The belt that drives the rear scanner inside the housing is a one piece cog belt Over time the belt may be come hard and brittle and require replacement The belt will come as a single belt that needs to simply be cut The rear scanner assembly moves across the back of the balancer using a drive motor mentioned earlier The drive motor has a cog gear mounted that drives the scanner assembly 1 Loosen the two Phillips sheet metal screws and remove the broken or damaged drive belt 2 Remove the rear cover of the rear drive assembly 3 Using a pair of scissors cut the new drive belt and install the one end of the belt with the cog side facing down 4 Feed the belt through the drive assembly It may be necessary to loosen the motor to feed the belt through Once the belt is installed lift up on the drive motor this will tighten the belt and not allow it to slip off the gear drive 5 Tighten each end that secures the belt DO NOT OVER TIGHTEN THE SCREWS SECURING THE BELT THIS MAY CUT THROUGH THE BELT 6 Snip the remaining excess and retest the rear drive Effective 10 2007 Page 5 43
33. ive Page 5 24 10 2007 BFH OPTIMA Remove the Pruefrotor Install the small and medium cone on the shaft Remove the pressure cup from clamping nut and clamp both cones on the shaft Lower the hood and press the lt 5 gt button to begin a measuring run Insert the calibration weight that is supplied with the bal ancer on the left side of the backing plate Press the lt 5 gt button to begin a measuring run 9 Store the new factors using C90 NOTE MUST COMPLETE C84 AFTER THIS FUNCTION CALIBRATION COMPLETE START Effective 10 2007 Page 5 25 BFH OPTIMA C84 EMPTY SHAFT COMPENSATION NOTE THIS PROCEDURE REQUIRES THE USE OF A SPECIAL CALIBRATION RING EAMO033D53A DO NOT ATTEMPT THIS PROCEDURE WITHOUT IT THE BALANCER MUST BE IN THE MANUAL MODE FOR THIS PROCEDURE 1 Mount the Small Cone Medium Cone and the clamping sleeve on the shaft CB 0 2 Lower the hood and press the START button to begin the measuring run START 3 Afterthe spin cycle completes remove the clamping sleeve and install the 4mm calibration ring EAM0033D53A between the Medium Cone and the clamping sleeve Press the Spin button for the balancer to complete a spin cycle After the balancer comes to a stop the empty shaft calibration is complete 4 Store the new factors using C90 CALIBRATION COMPLETE Calibration Spacer Ring Effective Page 5 26 10 2007 BFH OPTIMA C88 WHEEL WEIGHT POSITIONING 1
34. k 0 V 4 096 V 7 Motor current sink 0 V 4 096 V Page 5 36 Effective 10 2007 BFH OPTIMA C123 MECHANICAL SCANNER LASER CCD ADJUSTMENT If the BFH Optima balancer fails any part of the C122 camera calibration it may be necessary to adjust one or more of the cameras If any of the Scanner assemblies require replacement it will also be necessary to check the mechanical adjustment before calibration 1 Access the service menu and program the balancer to run C123 2 Step 1 accesses and avtivates the inside laser 2 and motor 0 Press the Enter key F6 to start the inside scanner Deactivate the scan ner motor by pressing the Enter key F6 i ELLE ENTER LE 3 Looking down at the anchor tab just under the main shaft a laser light will be illuminated The figure to the right shows the direction of travel The scanner must stop somewhere between the two black illustrated lines See Inside Scan ner Adjustment for procedure A 4 Press the lt Enter Values gt key F4 and turn the shaft to proceed to the outside scanner 5 Step 2 accesses and runs the outside scanner test motor 1 The Pruefrotor must be mounted on the shaft to verify the accuracy of 2860 ee this test o DWP 00 NOTE THE HOOD OF THE BALANCER SSS HEIGHT BEFORE ANY ADJUST EEn mu md MENTS ARE MADE SEE HOOD 7 ADJUSTMENT FOR THIS PROCE
35. m ena Function K Asa Status I BALANCER SETUP On the initial installation the balancer should be setup for the customer preferences i e ounce gram day month year time etc Press the Function key F1 Start No Function Stop Stop the Main Shaft Escape No Function Help Go to Help Screen F1 Go to Function Screen Enter Service Mode User Calibration Text Editor F2 Adapter compensation function or if adapter compensation is active switch off The unbal ance of an adapter can be temporarily compen sated with this function If the adapter compensa tion is active it is indicated by the adapter com pensation icon in the status area Operator Manual F3 No Function F4 Go to Balancing Function Operator Manual F5 No Function F6 Optima menu Operator Manual Effective 10 2007 Page 5 11 BFH OPTIMA FUNCTION SCREEN Start No Function Stop Stop the Main Shaft Escape Back to Introduction Screen Help Go to Help Screen F1 User Calibration F2 Go to text editor F3 No Function F4 No Function F5 Used to toggle selected Function F6 Used to change selected Function While pressing and holding in the lt F6 gt key rotate the shaft The green indicator arrows in the Main Screen area will either move up or down depend ing on the direction of the shaft rotation Once the indicating arrow reaches the function to be changed release the F6 key Press and hold
36. nto left side of the flange plate Lower the wheel guard and press the lt SPIN gt key The balancer should spin and come to a complete stop Once the shaft stops the display should display and the speaker sounds the Snap on TUDULU Calibration Complete Effective 10 2007 Page 5 15 BFH OPTIMA ENTERING SERVICE MODE 1 From the Introduction Screen press the x FUNCTION key F1 to enter in to the Function Menu 3 FUNCTION 2 By pressing the lt F6 gt key 3 times successively the SERVICE key F4 will become active NOTE BEFORE PERFORMING ANY C CODES ON THE BFH OPTIMA BALANCER THE TECHNICIAN MUST FORCE THE BAL ANCER INTO THE MANUAL MODE SEE BALANCER OPERATING MODE UNDER FUNCTION DESCRIPTION EARLIER IN THIS CHAPTER 3 Bypressing the F4 key the service program will become active SERVICE Page 5 16 Effective 10 2007 BFH OPTIMA C CODES By pressing and holding the lt gt key F1 and rotating the main shaft the user can select the desired C Code Once the desired C Code is displayed in the C Code identifier window the technician needs to simply release the C Code key F1 After each C Code change it is recommended that the technician save the change by use of the C90 code Many codes are written for engineering purposes and are not valid for field use C Description 28 Display and clear error codes 43 Reset c
37. nts on the object to be explored the wheel rim allows the AN Spatial co ordinates of each point detected to be obtained For each scanner the complete process is as follows 1 Measuring the distance to the point hit 2 Saving the distance measured at point 1 and the position of the distance measuring device at point 1 3 Moving the laser range finder to the next known position 4 Repeating steps 1 4 until the scan is complete Based on these co ordinates it is possible to identify positions on the rim profile which are useful and even in a certain sense optimum for the application of balancing counterweights The co ordinates of these positions are calculated automatically and without contact Sensor Object Figure 2 Optical Triangulation The complete weight position detection process is as follows 1 rim contour to determine typical rim parameters 2 Compare current rim pattern with a set of stored rim patterns 3 Select the best match stored rim pattern 4 Pick pre established weight locations associated with the best match pre established rim pattern 5 Calculate weight amount and display 6 Allow the user to modify suggested weight location by moving the laser pointer 7 Learn from experience Effective Page 5 2 10 2007 BFH OPTIMA Rim Runout Measurement Rim Tire Matching Optimization Itis known that the vibrations produced by a motor vehicle wheel as it turns are caused by
38. on the angular position is display as a value in a range between 0 and 511 00 after switching power on main shaft not moved at all or after pressing the Special function key 07 after 2 turns backward gt A and B channel signals are OK but there is no synchronisation in back ward direction 0b after 2 turns forward gt A and B channel signals are OK but there is no synchronisation in forward direction 1b after 2 turns forward backward gt A and B channel signals are OK synchronisation in forward rotation is OK as well after 2 turns in each direction A and B channel signals but synchronisation was made in forward direction only 27 after 2 turns backward gt A and B channel signals are OK synchronisation in backward direction is OK as well Effective Page 5 18 10 2007 BFH OPTIMA 2F after 2 turns in each direction gt A and B channel signals are OK but synchronisation was made in backward direction only 23F Incremental encoder was rotated by more than 2 turns in each direction and performs properly gt 40 Synchronisation error in forward direction gt 80 Synchronisation error in backward direction Comments If this test fails no 23F please check e the cabling of the opto electronic micro controller connectors of the cable e clean the incremental encoder sleeve C75 DISPLAY VALUES OF A D CONVERTER NOTE SOME OF THESE CODES ARE NOT USED IN THE BFH OPTIMA SOFTWARE AD
39. ounters 47 Select machine model 55 Indication of the line voltage 56 Indication of the circuit state of the wheel guard switch and both foot pedal switches 57 Indication of temperature 59 Indication of the residual unbalance compensated for using code C84 60 Motor Indication of the RPM of main shaft 74 Indication of the position counter and basic incremental encoder test 75 Display values from AD converter 76 Indication of the voltages used by the 2 step motor control 80 Geodata arm adjustment and calibration Hofmann Optima only 81 Geodata arm calibration Hofmann Optima only 83 Calibration of the unbalance measurement with wheel test rotor 84 Compensation of unbalance of main shaft 85 content of serial EEPROM EEP from micro controller EEP to incremental encoder EEP 86 content of serial EEPROM EEP from incremental encoder to micro controller EEP 88 Calibration of the 12 o clock position for positioning the weights on the wheel 90 Saving the adjustments data 98 Display angular position of power clamp pulley incremental encoder test 110 Indication of the operating voltages supplied by the power supply module 120 Enable Disable the laser pointer 122 Calibration of the Scanner Laser CCD assemblies Inner Outer and Rear 123 Manufacturing diagnostic and mechanical adjustment test C28 DISPLAY AND CLEAR ERROR CODES The last 10 different malfunction codes are written into the error memory so
40. power clamp foot pedal can be changed e raise raise pedal for clamping default e press press pedal for clamping Three lines for changing the date e Day dd e Month mm e Year Two lines for changing the time e Hour hh e Minute mm Effective 10 2007 Page 5 13 BFH OPTIMA The balancer has counters to count the measured runs The counters are displayed in three lines number of measurement runs number of measurement runs with OK e number of measurement runs since last calibration number of clamping e number of optimization and minimization number of measurement runs in service mode Screensaver timeout O disable e Amount of time for screensaver to activate while unit is sitting idle default 20 CUSTOMER CALIBRATION The BFH Optima balancer features a simple user calibration program Perform this procedure when the balancer has been moved disturbed or whenever accuracy is questioned Occasional field calibration will ensure years of reliable service 1 Press and release the lt Function gt key F1 from the Intro Screen 2 Press and release the Calibration key F1 3 With nothing mounted on the shaft lower the Effective Page 5 14 10 2007 BFH OPTIMA wheel guard and press the lt SPIN gt key The bal ancer should spin and come to a complete stop 4 After the balancer comes to a stop raise the wheel guard and screw the calibration slug i
41. rface of the tire at a predetermined point The wheel is rotated about the wheel balancer axis and a plurality of distance measurements are taken at known wheel angles of rotation On the basis of the data gathered in this way a calculation process defines the eccentricity Radial Runout of the wheel axis relative to the axis of rotation A calculation process defines the eccen tricity of the tire only based on the measurements taken respectively on the rim and on the entire wheel by means of vector subtraction This data together with the data about the imbalance and the data about the rim geometrical deformations allows a complete wheel diagnosis and provides the user with more accurate indications Moreover a suit able optimization algorithm provides indications on how to position the tire relative to the rim in order to minimize the concurrent effects of such deformations in accordance with appropriate criteria Typically the tire is rotated with respect to the rim opposing the peak maximum of the tire radial runout with the minimum of the rim radial runout thus minimizing the radial runout of the assembled wheel Effective 10 2007 Page 5 3 BFH OPTIMA BFH OPTIMA SERIES MAJOR COMPONENTS This section identifies the major components for the BFH Optima Series balancer All descriptions and AC DC theory of other components can be found in earlier chapters of this service manual CAMERA PROCESSOR BOARD The Camera Processor
42. the F5 key to toggle the function The indicator arrow at the bottom of the Main Screen area indicates additional information The two marks at the top of the Main Screen area indi cates that there is no information above the selected function FUNCTION DESCRIPTION Balancer operating mode Saving the operating mode setting in the non volatile memory The saved setting are now active after the next power on e 0 manual The BFH Optima must be set to the manual mode before running any C Codes e 1 profiling e 2 optima Setting factory default modes of operation e 1 for changing all setting to factory defaults and settings Saving modes of operation in permanent memory Saving the user settings in the non volatile memory The saved setting are now active after the next power on e 0 not save e 1 save settings After successful write to the non volatile memory the display board speaker sounds the typical Snap on TUDULU Language selection e English Language is the first on the list The volume of audible signals e 0 100 selectable from 0 off to 100 loud 50 is default Resolution of unbalance amount readings The resolution of the unbalance display e Normal rough default 5 gram 25 ounces e Fine fine 1 gram 05 ounces Effective Page 5 12 10 2007 BFH OPTIMA Suppression of minor unbalance readings The user threshold can be changed with C8 Below this
43. the manufactures mechanical adjustments DO NOT ATTEMPT TO MAKE ADJUSTMENTS OTHER THAN THE ZERO REFERENCE STATED LATER IN THIS MANUAL Each scanner assembly has a zero stop that has minor adjustment The rear scanner assembly and the outside scanner assembly are identical and can be swapped However the inside scanner assembly has a different mounting bracket and cannot be interchanged with the other two assemblies For troubleshooting purposes the units can be swapped at board level Should any of these assemblies require replacement the balancer will flag an E360 error code and force a scanner calibra tion POWER SUPPLY PCB The Power Supply PCB receives 230VAC power from the Electronic box This voltage can be measured using a Digital Volt Meter at J1 pins 1 and 2 on the Power Supply PCB The AC power passes through on board bridge rectifiers converting the power to 9VDC which is used to power all of the 4 Scanner Motors This 9VDC can be measured at J2 pins 1 2 and 3 Pins 4 5 and 6 are ground connections This voltage must be adjusted after the installation of the Power Supply PCB Follow the procedure below to measure and adjust the output voltage to the scanner motors 1 Remove the weight tray 2 Place the positive lead of the Digital Volt Meter on Pin 1 Red wire and the negative lead of the Digital Volt Meter on Pin 6 Black wire 3 Use a small pocket screwdriver and adjust the pot to obtain a voltage reading between 9 9 5 VD
44. threshold the unbalance value is set to zero e off default Setting threshold value for unbalance suppression Threshold value for suppression of minor unbalance readings 3 5 20 0 grams 3 5 grams is default 0 25 2 00 ounces 0 25 ounces is default All unbalance values below the threshold are set to zero if suppression of minor unbalances is enabled If the right left and static unbalance values are set to zero the OK segment is on If the ALU mode is not normal the unbalance values are transformed to the normal ALU mode to check the values Measurement units of the unbalance amount readings e grams default e ounces Number of revolutions for a measurement run Note that a decrease of the number of revolutions for a measurement run can cause an in accuracy of the measurement results e 5 25 Number of revolutions for a measurement run 10 is default Starting a measuring run by closing the wheel guard This feature does not work in the user codes service codes optimization and minimization e default e on Automatic braking when wheel guard is raised e no automatic braking motor is switched off e braking to standstill default Releasing of the power clamping device The power clamp system can be locked This can be used if a special clamping device is in use e off no lock default e on locked Actuation direction of pedal for clamping releasing The functionality of the
45. ve Page 5 20 10 2007 BFH OPTIMA Page left blank intentionally Effective 10 2007 Page 5 21 BFH OPTIMA Page left blank intentionally Effective Page 5 22 10 2007 BFH OPTIMA C83 CALIBRATION OF UNBALANCE MEASUREMENT This test must be done using a Pruefrotor NOTE THIS TEST REQUIRES THE USE OF A PRUEFROTOR ALL TESTS MUST BE DONE WITH THE BALANCER IN THE MANUAL MODE AFTER ALL TEST ARE DONE THE BALANCER MUST BE SWITCHED BACK INTO THE PREFERRED OPERATING MODE ALSO CHECK THE VCC VOLTAGE C110 AND ADJUST IF NECESSARY BEFORE ANY CALIBRATION IS DONE 1 MMountthe Pruefrotor on the balancer shaft and enter in the parameters of the Pruefrotor using the balance screen 2 Enter the Service routine and select C83 Press the lt 5 gt button to begin the measuring run 3 After the spin cycle completes screw the 100 gram weight on the left side of the Pruefrotor and press the ENTER key F6 to enter the value of the test weight and to advance to step 3 Press the lt START gt button to begin the measuring run Effective 10 2007 Page 5 23 BFH OPTIMA 4 Remove the 100 gram calibration weight and insert it into the right hand plane of the Pruefrotor Press the lt START gt key to begin the measuring run 5 Step Number 5 has not been programmed Press the ENTER key F6 to advance to the next step 6 Theambienttransducer temperature is displayed for 1 second Effect
46. wrench slightly loosen the 2 bolts securing the bell housing to the main shaft 3 Turn the main shaft and the bell housing opposite direction to line the Hex Head Cap Screw with the keyhole 4 Using a rubber mallet tap the face of the bell housing to break taper of the shaft 5 Pull the bell housing out away from the balancer 6 Hold the main shaft and turn the bell housing clockwise un screwing and separating the two shafts 7 When installing a new bell housing or re installing the old bell housing make sure that both tapered portions are clean and free from any dirt particles Failure to do so may cause damage to both pieces and separation may be impossible 8 Always make sure that the bell housing is fully screwed onto the main shaft before aligning the key holes This can be accomplished by pulling the bell housing away from the bal ancer and making sure that the bell housing is fully screwed onto the main shaft Effective 10 2007 Page 5 45 BFH OPTIMA IMPORTANT BALANCER INFORMATION Before calling technical support it will be necessary to know what revision of balancer is being serviced Follow the steps below to enter the Info screen 1 From the Introduction Screen press the key F1 to enter in to the Func FUNCTION tion Menu 2 By pressing the F6 key 3 times successively the INFO key F3 will show 3 By pressing the F3 key the INFO will become active
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