Hofmann Pro42 Operator'S Manual Download Page 7

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Table of Contents

Wheel Roll Message................................................................................................................. 31

Readings Screen ...................................................................................................................... 32

Turn Wheels Straight Ahead ..................................................................................................... 32

Adjust Front First ...................................................................................................................... 33

Cross Values / Total Toe ......................................................................................................... 33

Readings Toolbar Buttons ....................................................................................................... 34

Level and Lock Steering Wheel ................................................................................................ 35

All Readings Screen ................................................................................................................. 35

Print Results ............................................................................................................................. 36

Measure Menu

......................................................................................................................... 37

Measuring Caster/SAI and TOOT............................................................................................. 38

Steering Level Check ............................................................................................................... 39

Single Wheel Rollback.............................................................................................................. 39

Rolling Runout - (Advanced Option) ......................................................................................... 41

Vehicle Dimensions - (Advanced Option) ................................................................................ 43

Measuring SAI Only Elevated................................................................................................... 43

Maximum Turns ........................................................................................................................ 44

Toe Curve Change .................................................................................................................. 45

Camber at Zero Toe .................................................................................................................. 45

Adjust Menu

............................................................................................................................ 46

Adjust Caster and/or Camber, and Toe Elevated ..................................................................... 47

EZ Toe ...................................................................................................................................... 48

Shims and Kits ........................................................................................................................ 49

Adjust A-Arms ........................................................................................................................... 50

Wheel Off Caster, Camber, Toe Adjust .................................................................................... 51

Offset Cams and Bushings ....................................................................................................... 52

Cradle Adjust (Optional Advanced Feature) ............................................................................. 52

Drag Link Adjust (Optional Advanced Feature) ........................................................................ 54

Single Tie Rod Adjust (Optional Advanced Feature) ................................................................ 55

Calibration Menu ...................................................................................................................... 56

ISO Certification

....................................................................................................................... 57

Calibration

............................................................................................................................... 59

Rear Calibration........................................................................................................................ 59

Front Calibration ....................................................................................................................3-61

Calibration factors..................................................................................................................3-62

Calibration history ..................................................................................................................3-62

Calibration Backup and Restore ............................................................................................3-62

Sensor Diagnostics................................................................................................................3-63

Summary of Contents for Pro42

Page 1: ...Operators Manual Portable Imaging Alignment Systems with Pro42 ...

Page 2: ...Blank page ...

Page 3: ...t wall outlet shall be located near the equipment and shall be easily accessible 3 Do not operate power tools or equipment with a damaged power cord or if the equipment has been dropped 4 or damaged until it has been examined by a qualified serviceman Do not let electric cord hang over edge of table bench or counter or come in contact with hot manifolds or 5 moving fan blades If an extension cord ...

Page 4: ...ole other than the keyboard and printer Service on the unit must be performed by qualified personnel Do not open any part of the console other than noted areas Turn power switch off and unplug the unit before servicing Contact with high voltages can cause death or serious injury Risk of eye injury Debris dirt and fluids may drop from vehicles Knock off any loose debris Clean surfaces as needed to ...

Page 5: ...vehicle Do not bypass any jack manufacturer s safety features Read jack manufacturer s operation instructions carefully Follow jack manufacturer s safety recommendations Improperly used or maintained jacks can cause injury Risk of burns Do not touch hot exhaust systems manifolds engines radiators etc Wear gloves whenever performing a service near hot components Hot components can cause burns Risk ...

Page 6: ...t 18 Attach the Targets Pods 19 Begin Wizard Procedure 20 Begin a New Alignment 21 Enter Customer Data 21 Adding Customer Information 21 Selecting a Stored Record 21 Adding a New Customer 22 Editing an Existing Record 22 Backup and Restore 22 Vehicle Manufacturer 22 Selecting a Default Make 23 Vehicle Year 23 Vehicle Model 23 Using an Optional VIN Reader 23 Editing Specifications 24 Vehicle Stabil...

Page 7: ...3 Measuring SAI Only Elevated 43 Maximum Turns 44 Toe Curve Change 45 Camber at Zero Toe 45 Adjust Menu 46 Adjust Caster and or Camber and Toe Elevated 47 EZ Toe 48 Shims and Kits 49 Adjust A Arms 50 Wheel Off Caster Camber Toe Adjust 51 Offset Cams and Bushings 52 Cradle Adjust Optional Advanced Feature 52 Drag Link Adjust Optional Advanced Feature 54 Single Tie Rod Adjust Optional Advanced Featu...

Page 8: ...Page 8 Table of Contents ...

Page 9: ... as the memory of the unit is checked and verified Many ad ditionallinesofcomputerconfigurationwillap pear on screen and scroll up as the computer completes the system boot sequence The Home screen will appear next as the software finishes loading The boot sequence will take a few moments If any problems are encountered during the Power On boot up sequence consult the service representative in you...

Page 10: ...of the Home Screen followed by turning the switch off at the rear of the aligner Note The switch must remain off a minimum of 10 seconds before it can be turned back on From the Windows desktop 1 Close any programs or applications that may have been opened 2 Click the Start button and then click Shut Down 3 On the Shut Down Windows box that ap pears select Shut down the computer Click Yes to proce...

Page 11: ... bar They can be selected by clicking on the desired icon with the mouse pointer 2 Previous and Next Buttons 3 Toolbar these buttons appear on every screen and correspond to the F1 F12 keys on the keyboard as well as the keys on the remote The functions for F1 F4 are common to every screen while the functions of F5 F12 vary depending on the screen 4 Display Area When a desired function such as Dis...

Page 12: ...Management Invokes Shopkey or other optional programs used to manage alignment results and databases Information Systems Opens a wealth of databases including Tire Pressure monitoring sys tems Vehicle TSBs Shopkey Information Systems and the MAP standards page Regional Settings Allows selection of the desired screen language and the regional specifica tion data base to be used in the alignment pro...

Page 13: ... camera data This feature is useful in the event the cameras cannot See a target for some reason Camera View Select to view the live camera image Rolling Runout Advanced Option Select this feature to allow runout compensation without raising the vehicle This feature is useful for vehicles which display a tendency to not return to ride height after being raised for conventional runout Single Wheel ...

Page 14: ...Selections include choosing or adding a customer name choosing a vehicle and performing all the neces sary functions for reliable alignment readings Quick Alignment Select to get alignment readings quickly without the tasks of selection cus tomer name or performing inspections etc This feature is helpful when checking a vehicles conformance to specification before the customer commits to the actua...

Page 15: ...eference icon allows access to the following setup selections each identified by an icon Security Showstheuserwhatfeatureshavebeeninstalled on the aligner Features are purchased and activated by the sales or service representative using Key codes System Configuration Select the camera system used select the wheel clamps used Store Name allows a store name and address to be en tered for the custome...

Page 16: ...ced in the logo subdirectoryoftheprogramontheharddriveforopera tors who have a license to use them Users may also create their own logos in the BMP bitmap graphics format and copy to the logo subdirectory Note Unauthorized use of copyrighted logos may be illegal without license or the owner s permission Connectivity activates access to a shop manage ment networking system Note not all machines wil...

Page 17: ...lect many misalignment conditions 5 Perform a thorough component inspection Replace defective parts prior to performing the alignment Always check tire pressure and ride height 6 Mount measuring targets pods to the vehicles wheels Use the safety straps in the event of grip failure 7 Choose the proper Wizard procedure for the vehicle 8 Perform compensation or rollback the purpose of performing comp...

Page 18: ...transmission turn the ignition off and set the park ing brake on Place wheel chocks behind the tires to prevent rolling Failure to use the wheel chocks can allow the vehicle to roll off the rack lift 5 Position the turntables as needed to insure the tires will be centered 6 Drive the vehicle forward onto the center of the turntables AlternativeMethod Thismethodextendsturntablelifedue to relief of ...

Page 19: ...rom the outside in by placing the claws between the bead of the tire and the outside edge of the rim Others can be mounted on the inside of the rim such as with steel wheels For outside rim mounting 1 Extend the clamp to a size slightly larger than the rim by turning the knob 2 Place the upper claws on the outside of the top of the rim Push the claws in between the tire bead and the rim It may be ...

Page 20: ...creen the alignment process is performed using the Wizard that is currently selected Special Wizard Procedures Optional Several special procedures are pre programmed to follow manufacturer s recommended alignment methods When theAligner is turned on for the first time a factory default Wizard is in place Special as well as OEM Wizards can be set to default ThefollowingproceduresareasampleofaStanda...

Page 21: ...e date of service along with before andafteralignmentreadings Thisinformationisstored on the computer hard drive for later retrieval Once retrieved the information can be reviewed and can become the starting point for a new alignment Adding Customer Information Using the pointing device move around each of the text blocks the operator enters information about the customerandhisvehicleusingthekeybo...

Page 22: ... is within the field to be edited make the desired corrections Data is saved when OK is entered Backup and Restore Datafiles can be backed up for security and restored upon demand See the Maintenance chapter for more information on this feature Select Vehicle Manufacturer Year and Model Note The order the manufacturer year and model appear will vary depending on how the specifications are set up s...

Page 23: ...Honda Vehicle Year Select the year of manufacture using the up down keys or pointing device on the scroll bar to move up or down to the desired year then double click or press the right arrow key to expand out the years this model was made Vehicle Model Use the direction keys or pointing device to select the model of the vehicle then select OK press Enter or double click the selection Using an Opt...

Page 24: ...s is useful if a Technical Bulletin has been issued that alters manufacturer s specifications Editing Specifications Use the pointer to click on the specification edit icon as shown to the left Click on the number to be edited i e left camber Once it is highlighted enter the desired value Use the pointer to move to any other values to be changed When all editing is complete click on NEXT Since the...

Page 25: ...e current screen Additional Assistance Included to the right of the animation window is a text boxwhichillustratesthreetypesofinformationregarding the current alignment adjust procedure Information is requested by clicking on the icon associated with the assistance These icons are 1 Adjustment Instructions Adjustment instructions are provided by selecting the first of three function buttons on the...

Page 26: ... are discharged the LEDs will show the amount of remaining charge as shown to the left If only one LED is illuminated and flashing less than 10 power remains indicating the unit must be charged Powering the Pods Turn Pods On by momentarily depressing the On Off button Check battery charge by momentarily clicking the on off button Turn Pods Off by pressing and holding the On Off button for a few se...

Page 27: ... NOTE If the display monitor is not visible for position indication watch the blinking LED s on the Pod during runout As each of the four positions are initiated the runout indicator LED begins blinking slowly The blink will increase in speed as the proper position is approached The LED will stay on continuous when the proper position is achieved When runout has been measured the LED will again be...

Page 28: ...the clamp will be down as indicated in the illustration to the left C Rotate the wheel in the same direction to the 3 o clock position The top of the clamp will be to the right as indicated in the illustration to the left D Rotate the wheel in the same direction to the 12 o clock position The top of the clamp will be up as indicated in the illustration to the left Repeat the above steps for the Ri...

Page 29: ... until the screen indicates a stop sign The companion Pod s LEDs will also cease to flash C After the readings have been taken at 25 degrees return the wheel to the 12 o clock position until prompted to con tinue D Repeat the above steps on the left front Lower Wheels and Bounce settle the Suspension The next screen that appears instructs the technician to lower the wheels and bounce or settle the...

Page 30: ...ring wheel the aligner tracks the wheel targets When the steering wheel is rotated the Steering Measurement screen is automatically displayed Caster SAI and Toe out on Turns TOOT can be measured with the Steering Measurement process Asyourotatethesteeringwheeltowardeachmeasure mentposition a Greenindicator atthetopofthemeter tracks the wheel movement The left and right Caster SAI measurement posit...

Page 31: ...ore wheel target When this oc curs wheelsdisplayedonthelower leftandlower right will indicate a red X to indicate the lost wheel targets When the front wheel targets are lost stop steering rotation until the aligner finds the lost targets Wheel Roll Message If the aligner detects excessive wheel roll during the steering angle measurements an error message ap pears We recommend restarting the steer...

Page 32: ...en band indicating the direction of needed change A gray meter indicates there is no specification for that angle All numeric readings on this screen are actual live measurements including caster If any angles require correction make sure the brake pedal depressor is en gaged and the steering wheel is centered and locked thensimplybegintheadjustment Astheangleschange the display will update to ref...

Page 33: ...ed meters indicate the angle is beyond manufacturer sspecification Greenmetersindicatelive values are within specification Elevated readings can be viewed by selecting the dimmed Jack icon located right of the cross values When in the active Elevated mode the Jack will be highlighted Adjust Front First IntheeventthisICONappearsonthereadingsscreens the front should be adjusted before rear correctio...

Page 34: ...an with angle corrections F7Information assiststhetechnicianwithavariety of information about the alignment Selections in cludeanimations Tirepressuremonitoringsystems information Vehicle TSBs Shopkey access and MAP standards F8 Zoom brings any meter to full screen size to aide viewing F9 Select Wizard Selects the desired wizard procedures F10 Login user Login or Logout F11 Edit allows editing of ...

Page 35: ...djustments When measurements are within specification the center portion of the meter is green If red is displayed the readings are outside of specifications Grey meters indicate this angle has no specification Elevated camber and caster readings can be viewed by selecting the dimmed Jack icon located between the camber meters All Readings Screen After Front Readings the final readings screen is A...

Page 36: ...ox 2 Zoom Select these buttons to enhance the desired size of the displayed report 3 Set Default Report Determine the desired report to be used as default and for one click printing 4 Print Sends the selected report to the printer 5 Save to File This selection allows a report to be saved to a file When selected a window will open allowing the user to select the desired location to save the file Th...

Page 37: ...nt for example to install a shim in the rear VehicleDimensions AdvancedOption Provides additional information about the condition of the ve hicle s frame such as setback and axle offset SAI Only Elevated SteeringAxis Inclination can be measuredfordiagnosisofcertainsteeringcomponent problems while the front of the vehicle is elevated Max Turns Is selected to measure the amount of steering angle to ...

Page 38: ...ions During the el evated measurement the instruction say to raise the front wheels using rigid supports This is typi cally done with a jack included with the alignment lift 3 The turning sequence is identical to the process for obtaining steering angles on the turntables 4 When measuring elevated Caster SAI the final instructions will be to lower the vehicle and jounce the suspension 5 The Caster...

Page 39: ...ompensated independently This is useful if a wheel must be removed during the alignment for example to install a shim in the rear The Single Wheel Position ing procedure locates each wheels axis of rotation by jacking the vehicle and moving each pod and target 1 Select Single Wheel Positioning from the Measure screen The screen shows the vehicle s 4 wheels with a box around each wheel If a check a...

Page 40: ...ebeendone Itisacceptable to leave the vehicle elevated if additional wheels require compensating Lower the vehicle and jounce the suspension prior to returning to any readings screen 5 As each wheel compensation is completed the software returns to the selection screen and a check mark appears next to the wheels that have been successfully positioned Click on the Cancel button once all wheels are ...

Page 41: ...e Pods from the rear clamps Place the Pods on a stable portion of the Lift Do not place on the Slip Plates Pods must have view of Targets Lock the turnplates and rear slip plates if equipped Click on Next to continue Position the vehicle until you get the stop sign NOTE If the vehicle is wide and you are using a short bay installation you may need to remove the rear wheel clamps and place the pods...

Page 42: ...orward again until prompted to stop NOTE If you get this message icon the pods may not be sitting level Roll the vehicle to the beginning position to complete the compensation procedure NOTE Once rolling runout is you cannot do a single wheel positioning if you have to remove a wheel for service If compensation is required after repair then you must again perfrom rolling runout ...

Page 43: ...le in the Units setup When Vehicle Dimensions Option is selected you will be instructed to ensure all wheel clamps are vertical A wheel clamp that is not vertical will cause a measure ment error Once all clamps are vertical click OK to view the Dimensions screen Measuring SAI Only Elevated SAI is measured with 10 degree sweep The re sults of loaded or unloaded raised will be similar but some varia...

Page 44: ...measure the amount of steering angle to the right and to the left These are generally symmetrical and this test can help determine if a steering linkage is damaged Install the brake pedal depressor and pull the turnplate pins if installed First Turn to the 20 degree mark on the screen Wait for the prompt Next turn to the left to the maximum possible wait for the prompt Next turn to the 20 degree m...

Page 45: ...s can be done by pulling down or pushing up the suspension Use a ruler or tape measure to observe the proper amount of frame movement Select OK when com pleted to display the results TIP On cars with rack and pinion steering a bump steer condition is usually created by worn rack mount ing bushings that allow the entire rack to shift when bumps are hit Camber at Zero Toe Thisroutinemeasurescamberon...

Page 46: ...rmines the proper shim to use A Arm Adjust for vehicles whose caster and camber adjustments are located on the suspension A Arm this selection allows both angles to be corrected simul taneously Wheel Off Caster Camber and Toe Adjust This feature allows the operator to remove the wheel and attach the clamp target assembly directly to a brake rotor for easier access to adjustment of certain angles W...

Page 47: ...ect adjustment readings are possible if these steps are ignored When OK is pressed the Front Readings display appears with a highlighted Jack indicating raised condition Adjust caster camber or toe as required while view ing the screen As adjustments are made the meter movements and numeric values change The meters are color coded to show the readings relationship to specifications if selected Onc...

Page 48: ...nd or camber 2 Select the EZ Toe icon from the Adjust screen 3 Level the vehicle steering wheel Select OK 4 Steer the right wheel to the adjust position Select Next 5 The next screen shows a meter indicating the amount of toe change needed for the right wheel 6 Adjust the right tie rod until the meter needle is in the green Select Next after completion 7 Follow the same procedures for the left whe...

Page 49: ... correction The screen to the left will be displayed Default Part Vendor Determine the desired part vendor to select as the default aftermarket supplier This selection will vary location to location and upon the Technicians prefer ences The part number of the shim or adjuster kit is automati cally selected and displayed dependant on the vehicle selected and the amount of correction required Highli...

Page 50: ... Examine the vehicle for the location of the adjusters It does not matter whether the a arms have shims slots or cams Select to adjust upper A Arm or Lower A Arm on the Adjust A Arm screen The icon looks like that to the left Selecting switches from upper to lower and back The adjustment screen contains a graphic of the left and right side a arm along with two Slide meters for each These meters re...

Page 51: ...ise the vehicle using rigid supports Remove the wheels that require service and mount the clamp target assembly to the brake rotor The Raised Jack icon on the readings screen indi cates the vehicle should be in the raised position for these adjustments Make Live adjustments as required to correct angles to specification Re Mount wheels and Mount clamps NOTE Thewheel s thathavehadtheclampassemble r...

Page 52: ...ichever most accurately reflects the orientation of the slot Note Whenever there is a sleeve insert installed that is not zero it is difficult to determine its affect on the calculation of the new required sleeve insert It is a good idea to have a few zero sleeves available to install in the truck and re measure caster to get a true initial reading Cradle Adjust Optional Advanced Feature Cradleadj...

Page 53: ...using theAligner click on the Cradle Adjust icon on the Adjust Screen Install Brake pedal depressor and remove turntable and slipplate pins Click OK when ready Raise front wheels using fixed supports Click OK The Cradle Adjust screen has a graphic of the cradle showing the direction of needed movement A meter displaydeterminesexactplacement Loosenthecradle and slide in the direction of the arrow u...

Page 54: ...straighten the steering wheel 1 Steer the front wheels to equalize toe by bringing the lower meter into the green area Click Next 2 Adjustthesingletierodtothetotaltoespecifications while observing the upper meter Click Next 3 Straightenandlockthesteeringwheelasprompted then click Next 4 Adjust the drag link sleeve until the steering direc tion is straight ahead as indicated on the lower meter disp...

Page 55: ...n Use the following steps 1 Steer the front wheels to equalize toe by bringing the lower meter into the green area Lock the steering wheel at this position 2 Adjust the single tie rod to the total toe specifica tions while observing the upper meter 3 Again steer the front wheels to equalize toe by bringing the lower meter into the green area Lock the steering wheel at this position 4 If a straight...

Page 56: ...ilities used to configure the systems camera configuration The user can select the desired alignment rack if so equipped ISO Utility used for performing ISO calibra tion A special fixture is required to perform this procedure The procedures are included with the fixture This should only be done by a qualified technician Pod Calibration If the user has the optional calibration kit the aligner can b...

Page 57: ...ped Rack or alignment sur faces can be named as desired ISO Certification The purpose of this procedure is the calibra tion certification procedure for the Imaging family of wheel alignment products using traceable measurement standards and ISO methods This procedure may optionally serve as a fine tuning of the calibration by allowing offset val ues to be applied The basic alignment system calibra...

Page 58: ... on the Certificate of Calibration The certification frequency can be a cus tomer defined The certification will alert the user at one year intervals to recertify if not performed earlier The customer may deter mine the calibration and certification intervals needed and the accuracy to be specified When ISO calibration is complete a screen will appear with the offset values displayed These are the...

Page 59: ...ss should be performed by trained individuals Click on OK to continue Select the Rack to be calibrated on 5 Place the calibration bar and stands calibration 6 kit number EAK0222J02A on the rear of the rack as shown in the figure Place the bar so that the numbers stamped on the bar are on the left side runway NOTE IT WILL BE NECESSARY TO INSTALL THE CALIBRATION BAR ADAPTER EAK0289J42A ON THE END OF...

Page 60: ...acing the pods It will be necessary to leave the targets mounted to the wheel clamps With the Pods locked on the bar rotate the bar 11 FORWARD 90 to align the needle within the green area A Stop sign will appear indicating to hold the position until instructed Continue to rotate the bar 12 FORWARD to 180 to align the needle within the green area A Stop sign will appear indicating to hold the posit...

Page 61: ...mpt the user to rotate the bar so 3 that the targets rotated FORWARD 25 A stop signal will appear After the information is taken the user will be 4 prompted to rotate the targets 25 REARWARD from vertical A stop sign indicates when measurements are being taken Rotate the bar back to vertical to complete target 5 calibration When the calibration is complete the user will 6 need to press OK button t...

Page 62: ...bration and Preferences backup offers the user or technician a way of backing up all customized options and alignment calibration to a flash drive Should an alignment machine require a hard drive replacement the user or technician can simply restore all data from a saved flash drive back on to the newly installed hard drive From the Calibration Menu click on the Backup icon Backup It is recommende...

Page 63: ...ck to the user s preferred pref erence note If the operator is not sure if the saved data on the flash drive is current it is recommended that a calibration be performed Failure to have accurate calibration data can and will cause excessive tire wear Sensor Diagnostics This is a Service Technician mode only shown only here for reference ...

Page 64: ...ner that the backup came from NOTE THE BACKUP DATA CONTAINS CALI BRATION DATA AND CUSTOMER DATA RESTORING DATA TO A DIFFERENT ALIGNMENT SYSTEM WILL OVER WRITE ALL OF IT S CALIBRATION DATA AND CAUSE INCORRECT ALIGNMENT AN GLES ON THE ALIGNER THE DATA WAS RESTORED TOO From the main menu select the Database Utilities button from the Main Menu Carou sel bar Select whether to backup to a thumb drive or...

Page 65: ...NOTES ...

Page 66: ...tion contained in this document is subject to change without notice Snap on Equipment makes no warranty with regard to this material shall not be liable for errors contained herein or for incidental consequential damages in connection with furnishings performance or use of this material This document contains proprietary information which is protected by copyright and patents All rights are reserv...

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