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2. Press the STOP key to clear the message Call the service team for machine calibration H82 Figure 7 1 1 9 The self test was disturbed e g by turning the wheel The message is displayed for 3 seconds then the measurement is repeated max 10 times or aborted by pressing the STOP key H90 Figure 7 1 1 10 Wheel acceleration was too slow or braking was too weak after a measuring run If the main shaft does not reach the required speed check that the brake is not activated or the weight of the wheel is too great In this case Release the brake Make sure that the shaft with the wheel clamped on it can rotate freely Turn the wheel by hand then press the START key If the error cannot be eliminated call the service team H91 Figure 7 1 1 11 Speed variations during measuring run The brake may be ON Release the brake Make sure that the shaft with the wheel clamped on it can rotate freely Repeat the run geodyna 980L Disposal Appendices 8 0 Disposing of the unit When you decide to get rid of your unit contact your reseller for a quote or for the regulations on disposal which apply to the unit 8 INSTRUCTIONS FOR DISPOSAL IN EU COUNTRIES For waste electrical and electronic equipment At the time of disposal at the end of the lifetime of this equipment you must 1 NOT dispose of the equipment as municipal waste and separate collection is mandatory 2 Ask the retailer about collect
3. geodyna 980L 23 HOFMANN Y Operation Attaching a stick on weight ALU or STATIC weight modes only Refer to Figure 5 3 4 5 Apply the weight on the rim in the 12 o clock position at the correct offset position The lit indicator on the display gives an indication of the correct position Note With STATIC weight modes always apply the weight at the rim centre line If not possible split the weights evenly and apply on another surface of the rim symmetrical to the rim centre line Alu 2P and Alu 3P HWM weight modes Refer to Figure 5 3 4 6 The gauge arm must be used to apply the stick on weight s Place the stick on weight on the gauge arm Refer to Figure 5 3 4 7 Bring the gauge arm to the left plane reference point Note When the value 0 appears while moving the arm the machine beeps to indicate that the correct application position has been reached Apply the weight to the correct point on the rim Decide to use Weight Mode now Chapter 5 4 1 Rotate the wheel to the next WAP position put the stick on weight on the gauge arm and apply the weight at the right plane reference point Note When the internal gauge is removed the data is normally displayed unless the left plane has reached the angular position for weight application and a stick on weight is used The right plane has not reached the angular position for weight application When this happens the appropriate weight and a
4. May 2005 Revision B note November 15 2006 Rev D note Streamlined book to include only one language Chapter 3 1 HNA accessories information added per pub Spanish and French available on layers April 2006 Revision C note Page2 Safety Information added Chapter 8 1 Newchapter implementation Operator s Manual geodyna 980L geodyna 980L Safety SAFETY PHECAUTIONS SICHERHEITSVORSCHRIFTEN PR CAUTIONS DE S CURIT MISURE DI SICUREZZA PRECAUCI NES DE SEGURIDAD PRECAU ES DE SEGURAN A rlpopuAGEzic aoqoaAr aq VEILIGHEIDSVOORSCHRIFTEN SAKERHETSFORESKRIFTER TURVATOIMENPITEET FORSIKTIGHETSHEGLER SIKKERHEDS INSTRUKTIONER VARUDAR RADSTAFANIA WHEEL BALANCERS AND WHEEL ALIGNERS SUPPLEMENT TO OPERATOR S MANUAL ERGANZUNG ZUR BEDIENUNGSANLEITUNG SUPPLEMENT A LA NOTICE D UTILISATION SUPPLEMENTO DEL MANUALE D ISTRUZIONE SUPLEMENTO AL MANUAL DE USO SUPLEMENTO DO MANUAL DO OPERADOR TYMDIAHPOMATIKO TOY BIBAIOY GAHDION XPHZHE SUPPLEMENT VAN DE GEBRUIKERSHANDLEIDING SUPPLEMENT TILL BRUKSAN TISMIN G LISAYS KASIKIRJAAN TILLEGG TIL BRUKERVEILEDNINGEN SUPPLEMENT TIL BHUGEH H NDBOG VIBAUKI VID HANDB K 1 1 Operator s Manual geodyna 980L 1 Safety All Safety Precautions relevant to the unit are described in the Safety Booklet refer to Figure 1 1 The Safety Precautions should be fully understood and observed by every operator We suggest you store a copy of the Safety Booklet near the
5. 4 Check the diameter of the spot on the rim where the diameter has been measured If not identical proceed with step 4 Calibration is required Have the gauge arm calibrated Balancing results are unreliable 1 e 029 9 M A The balancer may not be installed properly Make sure the unit rests on its 3 feet only Make sure the floor is not relaying shocks for example from trucks passing close to the unit The wheel may be mounted incorrectly Check the hub cones and adapters for play Use appropriate spacers to eliminate play Perform measuring unit calibration The electronics are faulty Call service team mode display segment or indicator is continuously shown on the display 1 A power dip may have occurred Switch off the unit Wait for 20 seconds switch on the unit Call service team geodyna 980L HOFMANN VA Trouble shooting 7 1 System messages The wheel balancer can show messages to the operator These may be error related E codes or warnings H codes The codes will be described in the following chapters Whenever a code appears e make a note of it e look up the code in the list If the code is not described call service team e perform the steps described 7 1 1 E Codes H codes E1 Rim dimensions set are incorrect or incomplete When the message appears set the data again E2 Wheel guard is not closed E3 The gauge for measuring the
6. as the width measurement gauge is faulty enter the rim width using the menu key and turning the wheel Chapter 2 3 1 HO Figure 7 1 1 1 Wheel silent running cannot be improved with balancing optimisation H1 Figure 7 1 1 2 Further optimisation is not recommended but is possible H2 Figure 7 1 1 3 Weight minimisation is recommended further optimisation does not bring improvements H20 Figure 7 1 1 4 Correction plane cannot be found with the gauge for measuring distance and diameter Measure the correction plane and set the dynamic imbalance indicator H21 Figure 7 1 1 5 The position reached does not correspond to the correction plane in which the stick on weight must be applied with the gauge Turn the wheel to the position for application of the stick on weight on the relative correction plane H26 Figure 7 1 1 6 The gauge was moved too quickly Return the gauge at the starting position and repeat the operation making the gauge approach the weight application point moreslowly geodyna 980L 50 HOFMANN VA oo00000 oo000000 o000000 a um e a ce cc c oo000000 noovood Trouble shooting H28 Figure 7 1 1 7 The gauge was moved too slowly Return the gauge the starting position and repeat the operation bringing the gauge towards the weight application point again H80 Figure 7 1 1 8 Recalibration was not set up As a result it cannot be performed by the operator
7. bear the weight of the balancer as stated in Chapter 2 of the Operator s Manual The floor on which the balancer will be installed should not relay vibrations from other devices or from outside the building External vibrations may affect the accuracy of the unit Note The balancer must be positioned directly on the floor Do not use spacers to fill gaps If the above conditions are satisfied the balancer does not need fixing to the floor Power supply requirements Refer to Chapter 2 of the Operator s Manual for mains power requirements WARNING ENSURE THAT AN APPROVED WALL MAINS OUTLET IS AVAILABLE WARNING NEVER GUIDE POWER SUPPLY CABLES OVER THE FLOOR UNLESS PROTECTED BY AN APPROVED COVER geodyna 980L 54 HOFMANN V3 Installation Instructions ii Transportation unpacking and contents Transportation The wheel balancer is supplied on a pallet e Use a pallet truck Figure ii 1 to bring the wheel balancer to its working area Unpacking WARNING PREVENT THE STRAPS FROM SPRINGING LOOSE AFTER BEING CUT e Cutthe straps e Open the top of the box e Remove staples at the bottom of the box Lift the box up and over the unit e Carefully unwrap the balancer and spare parts supplied e Check the contents of the shipment Contents The shipment contains a wheel balancer an Operator s Manual with Declaration of Conformity CE the accessories mentioned in Section 3 1 of the Ope
8. key The measuring run is carried out After the measuring run two readings are possible OP 5 H1 Further optimisation is not recommended but possible OP 5 Reference mark Continue with the OP program Reading OP 5 H1 If OP 5 H1 appears further optimisation is not recommended since the measurement values which activated the optimisation recommendation are below the limit value However it is possible to continue optimisation for the most silent possible wheel running reducing imbalances below the limit value critical vehicle To continue optimisation e To continue with the OP program proceed as specified for OP 5 Reference mark see next page To abort optimisation e Press the STOP key to return to the balancing program and balance the wheel according to the readings Reading OP 5 Reference mark e After the measuring run readjust the wheel following the direction indicator and make a chalk mark on the right side of the tyre exactly perpendicular to and above the main shaft e Readjust the tyre on the rim so that the reference mark made is aligned with the valve use tyre changer e Clamp the wheel on the balancer and readjust it until the valve is exactly perpendicular to and above the main shaft e Press the PRO MATCH key 2 to acquire the valve position The OP 6 reading appears e Press the START key After the measuring run four readings are possible _ OP 7 Proceed w
9. of the clamping adaptor Fig 5 1 1 e Fit the cone or centring star and partly tighten the wheel with the wing nut e Lower the loading device until the wheel can rotate freely e As the wheel is further clamped continue rotating the wheel slightly and further tighten the wing nut In this way the wheel will be aligned evenly with the centring cone or centring star and will run smoothly when clamped Note For perfect balancing results the adaptors must always be kept clean and stored correctly when not in use geodyna980L HOFMANN V3 Operation 5 1 2 Clamping a car wheel Fig 5 1 4 illustrates clamping a conventional car wheel using a clamping adaptor on the central bore Fig 5 1 5 illustrates clamping a stud hole located car wheel or a car wheel without centre bore using a universal clamping adaptor The centring cones for clamping car wheels are not part of the standard equipment These cones as well as various special clamping and centring means are available on request The range and applications of the clamping means are described in separate leaflets f LT Y e rN E L3 Fig 5 1 4 Clamping adaptor to clamp centre bore located car wheels 1 Cone for car wheels 2 Rim 3 Clamping head with clamping nut quick clamping nut 4 Wingnutfor clamping Fig 5 1 5 Universal clamping adaptor for clamping stud hole located wheels or wheels with closed rim This clamping adaptor is also capable of clamping centr
10. read previously using the appropriate keys refer to Chapter 4 2 e Select another measurement to edit if necessary or spin the wheel Note the MANUAL data entry is also used for the Tyre diameter measurement requested for certain special Internal Balancing operations Chapter 5 3 2 5 Rim width 6 Proceed as described above for the Automatic Data Entry operation Offset Position the gauge arm correctly as described above in the Rim Diameter phase of the Automatic Data Entry operation Read the arm extraction value on the gauged column Enter the value read previously using the appropriate keys geodyna 980L 28 HOFMANN V3 120 max Operation 5 4 Special modes Selecting the F key enables the operator to scroll the following modes in sequence Split Weight Mode SWM Minimisation mode 5 4 1 Split Weight Mode Selecting is possible only after balancing a HWM wheel that has an imbalance 10 gram in the right plane Note The fine read out accuracy is not available with this mode Select this mode to hide the right plane weights split into two parts behind the two spokes that are nearest to the calculated weight application position That way the weights are not visible from outside Take into account the following limitations refer to Figure 5 4 1 1 The whole enclosed angle is limited to 120 both angles from visible weight position and hi
11. safety and health requirements as set forth in the relevant EC guide lines for machines and electromagnetic compatibility as specified hereafter in their latest versions 98 37 EC 89 336 EC Applied harmonized and national standards EN 292 1 292 2 EN 294 EN 349 DIN 30 600 DIN 8418 VDE 0100 EN 5501 EN 50081 1 EN 61000 6 2 EN 61000 3 2 EN 61000 3 3 This declaration becomes null and void if the machine is not used as set forth under Scope of application of this operation manual or if any modifications or changes whatsoever are made to the machine without prior approval from our end Hans J Rupp Director Sales amp Service ZEEWB710A03 wdc 11 15 06 copyright 2006 Snap on Equipment All rights reserved
12. the function for balancing with a stick on counterweight inside the tyre The INT LED on the panel lights up 12 Truck Light Truck Car key Toggles between the vehicle type setting Truck Light truck or car F Vehicle allows you to change the unit of measurement according to the size of the wheel owitches from millimetres to inches and vice versa 13 START key Starts the machine spinning the wheel geodyna 980L 14 HOFMANN Y Operation 5 0 Operation This chapter describes how to operate the unit in order to balance a wheel The standard balancing runs will be described first In chapter 5 4 and up special modes and functions will be described Be sure to be familiar with possible dangers refer to chapter 1 theunit refer to chapter 4 5 1 Operation of the pneumatic loading device optional The loading device is required by truck wheel legislation but it is not included with the unit Fig 5 1 1 Control column and function of the pneumatic loading device Switch lever for UP DOWN travel 2 Airconnection Hook for storage of adaptors when not in use CO Lower loading device to bottom position Roll wheel onto sliding carriage and lean it against the handle Raise loading device to the required height Position the wheel on the adaptor using the sliding carriage and clamp Lower loading device until the wheel can rotate freely To remove a wheel proceed as follows e Remove
13. the wing nut and then the cone or centring star e Remove the wheel using the loading device geodyna980L 15 HOFMANN V3 Operation 5 1 1 Clamping a truck wheel The machine is delivered with an adaptor for light truck wheels The relative centring cone is suitable for pitch circles of 120 174 mm Clamping accessories for truck wheels are optional extras but they are indispensable for balancing the following types of wheel Option A Truck standard kit with centring cone for pitch circle 198 225 mm and 270 286 5 mm Fig 5 1 2 Clamping a truck wheel using an adaptor and a centring cone 1 Truck wheel flange 2 Rim 3 Centring cone for pitch circle 198 225 mm or 2 0 286 5 mm 4 Wing nut for clamping Option B Truck professional kit with 4 arm and 5 arm star and a 5 column flange Fig 5 1 3 Clamping a truck wheel using an adaptor and a centring star 1 Truckwheelflange 2 Him 3 Centring star 4 Wing nut for clamping Note To clamp a truck wheel with flange and centring star the golden truck wheel flange has to be used Clamping procedure e Before clamping the wheel check that the centre bore is machined sufficiently accurately and not deformed e g uniformly round and that the contact surface of the wheel central rim disc is clean and intact e Select and prepare a suitable clamping adaptor for the wheel to be balanced Fig 5 1 2 and 5 1 3 e Position the wheel bore at the centre
14. to toggle between Weight Application Mode and Data Entry Mode e State the new plane reference points e Apply the weight s To have arecalculation done e Select the required weight mode Check and or edit rim or plane data when necessary e Rotate the wheel to the left plane WAP position and apply the weight e Rotate the wheel to the right plane WAP position and apply the weight e Perform a check spin geodyna 980L 25 HOFMANN V3 Operation 5 3 Balancing procedure The unit always has a weight mode automatically selected refer to the display Select the appropriate key refer to Figure 5 3 1 to scroll through the weight modes continuously The weight mode currently selected is shown by the illuminated indicator s NORMAL Used for steel rims ALU mode Used for light alloy rims or where one or more stick on weights are to be used The stick on weight s must be applied by hand Hidden Weight Mode Used for light alloy rims or for wheels that are difficult to balance The stick on weight s must be applied with the gauge arm This guarantees more accurate weight positioning compared to applying the stick on weight s by hand Note If the stick on weight must be hidden behind two spokes select the Split Weight Mode before applying the weight in the right plane Refer to Chapter 5 4 1 STATIC Retrieve the function with key 12 fig 5 3 2 Two LEDs light up and flash Used for small wheels that a
15. tyre over on the rim and readjust until the double mark coincides with the valve e Clamp the wheel on the balancer and readjust it so that the valve is exactly perpendicular to and above the main shaft e Press the PRO MATCH key 2 to acquire the valve position Reading Un 8 appears e Press the START key 3 check run If weight minimisation was carried out correctly according to the program cycle after the check run the machine automatically returns to the type of weight positioning previously selected and indicates the residual dynamic imbalance on the wheel e Balance the wheel according to the readings Both weight minimisation and balancing are accomplished Message E9 Message E9 means that at least one error occurred during the minimisation cycle Press the STOP key 4 to exit the minimisation program and repeat minimisation if necessary Option 2 Do not turn the tyre over on the rim e Press the F key 1 geodyna 980L 36 HOFMANN V3 Operation The result is recalculated Reading Un 7 2 2 2 or HO appears e To return to Un 7 turning over the tyre press the F key 1 again Option 3 Press the STOP key 4 to exit the minimisation program and return to the balancing program The imbalance on the wheel is shown on the readout Balance the wheel according to the readings Reading Un 7 Readjust tyre on the rim the right display bars light up permanently Option 1 Readj
16. variable number appear on the other display to indicate the direction in which the gauge arm must be moved in order to find the correct weight application position geodyna 980L 24 HOFMANN V3 Operation 5 3 5 Check spin It is good practice to perform a check spin after applying the weights e Spin the wheel If the wheel has been balanced properly 000 will be displayed for both planes To check how much imbalance is left e Select the fine key e Rotate the wheel by hand The weight to be applied is shown on the display Note The operator should decide if applying the stated weight is necessary 5 3 6 Results recalculation After spinning a wheel it is possible to enter new rim data or select another weight mode The results are recalculated automatically if possible Editing rim data non HWM automatic recalculation HWM both plane reference points should be entered again Selecting another weight mode Between NORMAL ALU and STATIC no additional steps required From non HWM to HWM input of plane reference points is required Note The minimum HWM diameter differs from the non HWM types From HWM to non HWM check diameter offset and width Note These dimensions relate to the latest input done in NORMAL ALU or STATIC mode From HWM1 to HWM2 no additional steps required From HWM2 to HWM1 input of plane reference points required e Select fine Figure 5 3 6 1
17. without tyre proceed as follows e Clamp the complete wheel rim and tyre e Press F 1 PRO MATCH 2 if minimisation is starter separately from optimisation The OP 1 reading appears e Press the F key 1 to activate the weight minimisation program The Un 3 reading appears Run the minimisation program e With program OP 2 the rim compensation run can still be omitted Go to the next step in the program by pressing the F key 1 The UN 4 reading appears e Continue the minimisation program The valve position entered with OP 1 is automatically used Continuing balancing optimisation e Press the START key 3 to start the rim compensation run without the tyre After the measuring run the OP 3 reading appears e Mount the tyre and inflate correctly see note below Note For mounting and demounting tyre changer and tyre turning or readjustment on the rim always apply a sufficient amount of tyre lubricant on the tyre beads and the rim edges and shoulders Each time the position of the tyre is changed on the rim inflate the tyre to overpressure approx 3 5 bar then deflate to correct tyre pressure Make sure the centring line is correctly positioned on the tyre bead geodyna 980L 31 HOFMANN V3 Operation e Clamp the wheel e Position the valve exactly perpendicular to and above the main shaft e Press the PRO MATCH key 2 to acquire the valve position OP 4 appears e Press the START
18. 2 174 mm 113 170 mm 255 kg 285 kg 1920x1370x1390 mm 1470x1100x1280 mm lt 70 db A During use or long term storage the conditions should never exeed Temperature range Humidity range 0 50 C 10 90 96 non condensing geodyna 980L HOFMANN Y Introduction 3 0 Introduction This wheel balancer combines advanced high performance technology robustness and reliability with very simple user friendly operation The low rotation speed of the wheel ensures that this balancer is very safe It is characterised by a display and input panel which are easy to use and guarantee rapid intuitive operation Operator time and effort are reduced to a minimum while maintaining accuracy and reliability Always work in a clean area and with clean wheels no dirt stuck in the tyre or on the rim That way proper mounting of the wheel and an optimal balancing result can be achieved Application The off the vehicle wheel balancer is designed for dynamic and static balancing of truck light truck and passenger car wheels that fall within the limits stated in the technical specifications This is a high precision measuring device Handle with care Manuals for the unit Information related to the unit is in Safety Booklet standard supplement Supplied with the unit Operator s Manual Chapter 1 9 The operator must be familiar with it Service Manual Chapter 10 and up Manual for use by service pers
19. 2 3 3 1 and 2 shows the rim reference points UD OUDD DU UD OUD DU D 000000 e Use the gauge arm to enter the two rim reference points The distance between the left plane and right plane offset points must be 77 mm 3 minimum Note To balance a PAX wheel HWM only e Select mm mode Chapter 5 2 4 2 e he rim diameter can only be changed to the predefined values Enter dimensions e After entering the dimensions spin the wheel Always apply the stick on weights with the gauge arm at the positions indicated Check the correct weight application distance when the display shows the value 0 and the machine beeps Note If the arm is extracted with the wheel incorrectly positioned warning H21 appears on the display see Chapter 7 5 3 2 3 3 1 e Apply the weight in the left plane Note Ifthe weight is to be split and put exactly behind two spokes select SWM now Refer to Chapter 5 12 e Apply the weight in the right plane e Perform a check spin 5 3 2 4 Static balancing Only static imbalance is measured and corrected When selected the display is as shown in Figure 5 3 2 4 1 Figure 5 3 2 4 2 shows the recommended rim reference point e Establish the following dimensions Rim diameter of the reference point Width If the rim width is 3 enter 3 Offset of the reference point e After entering the dimensions spin the wheel e Apply the stick on or clip on weight at the 12 o clock positio
20. 5 3 4 Weight application The following weight types and application methods are available clip on weights Always apply by hand sStick on weights Must be applied by hand or with the gauge arm depending on the weight mode Note Hand applied weights must always be applied exactly perpendicular to the shaft 12 o clock position After spinning the wheel refer to Figure 5 3 4 1 e Look at the rotation indicators for the left plane of the wheel If one or more indicators are lit e urnthe wheel to find the application point As the correct angular position of the wheel is approached the indicator will light When all indicators are lit the position is correct Figure 5 3 4 2 Note At the correct angular position all rotation indicators will be lit If the wheel has been rotated too far only the indicators for the other half will be lit Refer to Figure 5 3 4 3 The wheel has to be gently reversed The weight to be applied in that plane is shown on the display In Truck and Light truck modes an electromechanical brake stops the wheel turning Press the STOP key to release the brake Turn the wheel manually until it reaches the counterweight application point Attaching a clip on weight Refer to Figure 5 3 4 4 e Clip on weights must always be applied in the 12 o clock position e helip should rest on the rim edge Use the weight pliers to position it In STATIC mode only the left hand display is used
21. CH14 4 Hexagonal wrench Allen key included e Fitthe wheel adaptor onto the main shaft support cone so that the cylindrical headed screw at the end of the cone is inserted in one of the slots on the basic clamping adaptor e Fasten the wheel adaptor by tightening the securing screw Wheel guard e Refer to Figure iii 3 Fix the wheel guard on the shaft which sticks out at the back on the right Clamping devices e Putthe clamping devices on the accessory studs geodyna 980L HOFMANN V3 56 iii 4 1 iii 4 2 Installation Instructions Installing the pneumatic loading device OPTIONAL The loading device for truck wheels is provided separately With the loading device wheels weighing up to 250 kg can be pneumatically lifted and positioned exactly on the clamping adaptor e The loading device has to be mechanically attached positive locking to the machine Fig iii 4 1 Attachment of pneumatic loading device to the machine seen from the top 1 Pneumatic loading device 2 Clip 3 Locating stud 4 Machine e Place the loading device over the locating stud from above and insert the clip A B Fig iii 4 2 Connection of pneumatic loading device mounting the foot guard Loading device fitted to the machine Sliding carriage Foot guard has to be fitted to the loading device Air connection union Holder for foot guard pre fitted to loading device Clamp for foot guard o Q d G M T
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23. MOO05D24A 9 Small cone EAMOO05D23A geodyna 980L 10 HOFMANN Y Layout 4 0 Layout Refer to Figure 4 1 Functional description of the unit 1 Display Refer to Chapter 4 1 Input panel Refer to Chapter 4 2 Internal gauge arm Flange Stub shaft with hub nut Weight compartments Storage areas for cones and hub nuts Wheel guard Refer to Figure 4 2 1 Mains switch ON OFF geodyna 980L HOFMANN P3 ayoyi 4 1 The display Refer to Figures 4 1 1 4 1 2 1 Rotation indicators of the correction plane The indicators show the direction the operator has to rotate the wheel by hand after a balancing run 2 Weight Application Position WAP indicator The indicator will light up when the wheel is in the correct position for weight application This indicator will be referred to as the WAP indicator Refer to the weight mode selected before applying a weight 3 Display Depending on the stage of the program the display gives the operator information about rim sizes balancing weights error codes etc 4 Weight units indicator Oz The indicator will light if the weight is displayed in ounces instead of grams default 5 INT function This indicator lights up when the INTERNAL balancing mode is selected 6 Flange compensation This indicator lights up when flange compensation is activated 7 Truck Light Truck and Car Mode Indicator This indicator lights up
24. P HWM mode 14 reuera mra nnnc ciini rris 20 5 324 SMe bannen iuuscuenuded vmi i gesuwE Cou r cimesieusn uis Doa e RI E MN DVUN RENNES 20 lt Mternal eA PACU sasn E UU m 21 5 3 3 elastic mmn 21 5 3 4 Welgnt ADDING AION 22 5 3 5 pie SDI acerca see at sc mE mmn 24 5 3 6 SH CT FOC AICU AOI Me 24 5 3 Balancing procedure etae cine ety awd 25 5 3 1 alake circ Eia e t HHEH 26 5 4 TS Ree S asii T ETE EM 28 5 4 1 Split Werght ee PIE a a E 28 5 4 2 Balancing optimisation Weight minimisation ssssss sss ss sss cesses sse ss sese esen eenn neee 28 5 5 Special functions NE EE EE TE Tm 37 5 5 1 POISE HET Pete 37 5 6 AUNT AN DNE ETT DET 38 5 6 1 IST eec 38 5 7 Selecting the operating mode sss sees sss cesse ees s sees seene eenn nene enne nnne eenn ennenen 39 8 Instructions For Disposal In Eu Countries eceeee eese eese esee nennen nennen nnn nnns 51 9 0 hier aa seeswet 51 Appendix Installation Instructions sss sssss sss sss inue e esse esse ees ud esse essen eenn enen enean nenen UE Ud 52 lii Installation procedures EET T EO o 55 iv TOS EOC COU CS Mero 57 V VS CECI INe ODA OP iem 57
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26. ance may be positioned relative to the tyre imbalance so that they compensate one another and the machine calculates a minimum correction weight Instructions for balancing optimisation weight minimisation During tyre changing operations required for balancing optimisation weight minimisation the wheel balancer can be used as a conventional wheel balancer by another operator For this purpose interrupt the optimisation minimisation program by pressing the STOP key 4 The electronic unit will store the current program step the rim dimensions and all measurements taken so far To continue with the optimisation minimisation program press the F key 1 in succession The program then continues from the step where it was interrupted with the relative measurement values and the balancing optimisation weight minimisation may continue If a measuring run is interrupted by operation of the STOP key e g to clamp the wheel better or due to an emergency the machine returns to the previous program step Reset the valve position and continue balancing optimisation weight minimisation After interruption by operation of the STOP key the readings refer to the imbalance of the latest measuring run To restart balancing optimisation weight minimisation after an interruption simply press the PRO MATCH key 2 During balancing optimisation weight minimisation a measuring run always has to be started with the START key 3 T
27. as follows depending on which mode is active Truck Mode both LEDs are OFF Light Truck Mode the 7a LED is ON Car Mode the 7b LED is ON 8 12 Weight Position Indicator Apply a clip on weight to the rim at the position indicated when the WAP indicator for this plane lights up s L 9 10 11 Weight Position Indicator Apply a stick on weight to the rim at the position indicated when the WAP indicator for this plane T a lights up Mr 10 11 12 7b 4 1 2 geodyna 980L 12 HOFMANN V3 Layout 4 2 The input panel Refer to Figure 4 2 1 1 Diameter key with indicator Press to select rim diameter mode the current diameter or dia value will appear and the unit will beep The current value will be shown on the display and can be edited Width key with indicator Press to select rim width mode the symbol will appear representing the width value and the unit will beep The current value will be shown on the display and can be edited Offset key with indicator Press to select Offset mode the or current offset value will appear and the unit will beep key To increase an input value e g rim diameter offset rim width Hold the key down to increase the values shown automatically key To decrease an input value e g rim diameter offset rim width Hold down the key to reduce the values shown automatically Funct
28. chine sounds a three tone beep to confirm that the data has been saved permanently If you have to save the operating mode permanently first change the state e g activate it disable it and then save it in the permanent memory using the C10 code this does not apply to C4 Code C12 Figure 5 7 12 Measuring run counter Example 222 123 measuring runs performed Press the Fine key and spin the wheel to display the following counters 1 Total nr of measuring runs performed 2 Total nr of measuring runs with a positive balancing result OK 3 Total nr of optimisations and minimisations 4 Total nr of measuring runs in Service mode 5 Total nr of measuring runs since the last calibration Every measuring run that is performed and concluded is memorised The counter can count up to 999 999 measuring runs When this number is reached the counter starts again from O This information is interesting in terms of statistics e g to demonstrate how long faulty parts have lasted or to calculate how much the machine is used per month or per year The measuring cycles performed while the machine is running are saved in the permanent memory and totalled every time the machine is turned OFF Counter totals cannot be deleted geodyna 980L HOFMANN V3 oo00000 oo00000 e e c ce c oo000000 oo00000 Operation Code C13 Figure 5 7 13 Starting a measuring run by lowering the wheel guard 0 Starta run us
29. dden weight position must be greater than 0 e Apply the weight in the left plane of an HWM wheel e Don t apply the weight on the right plane but in the recommended application point press F 1 Spoke 2 figure 5 4 1 2 S1 appears e Turn the wheel until one of the spokes is in the 12 o clock position near the application position e Press F 1 Fig 5 4 1 2 S2 appears e Turnthe wheel until the adjoining spoke is in the 12 o clock position e Press F 1 Fig 5 4 1 2 The weight is now split The machine can now indicate the two weights and the relative application points 5 4 2 Balancing optimisation Weight minimisation Note even if the optimisation procedure can be carried out on truck wheels it is mainly used for car wheels General Optimisation is a refined form of matching For optimisation the tyre is mounted relative to the rim in a position selected according to the results of various measurements This normally further reduces any radial and axial run out as well as lateral and radial forces making the wheel run as silently as possible In addition geodyna 980L 29 HOFMANN V3 Operation the correction weights needed for balancing can also be reduced If optimisation is not required weight minimisation also known as matching is possible For example when the rim has no shape defects meaning that wheel imbalance depends exclusively on tyre irregularities In such cases the rim imbal
30. distance and diameter is not in the home position E5 Compensation range was exceeded Clamping means with excessive imbalance Press the STOP key Check the clamping means and repeat the compensation run E6 The calibration weight was not attached for calibration Press the STOP key Repeat calibration E7 With this weight mode selection of a type of weight positioning is not possible If possible select another weight mode E8 Valve position was not set message only appears with balancing optimisation weight minimisation program Position the valve so that it is exactly perpendicular to and above the main shaft and press the PRO MATCH key geodyna 980L 48 HOFMANN VA Trouble shooting E9 Optimisation minimisation was not carried out correctly 1 Wheel was not exactly centred on clamping means for at least one run 2 Tyre was not centred on rim for at least one run 3 Valve position was not set and acquired correctly at least once 4 Wrong reference mark single or double was used when readjusting the tyre 5 Wheel moved on clamping means during a measuring run sudden start or braking 6 Wheel dimensions were not set correctly Hepeat optimisation E15 Recalibration correction is out of range During recalibration values above or below the calibration value envisaged were found This message is only a warning Press key C to transfer the correction values to the permanent memo
31. e bore located wheels when suitable centring rings are used 1 Rim 2 Quick clamping nut 3 Centring ring for centre bore located car wheels optional extra geodyna980L 17 HOFMANN V3 Operation 5 2 Preparation e he operator should be familiar with the warnings and cautions e he operator should be qualified to work with the unit e Always ensure that the wheel guard when applicable is lifted and the gauge arm is in its home position far left position when the unit has been switched off 5 2 1 Power up e Do not keep any key pressed down during power up Refer to Figure 5 2 1 1 e Insert the power cable plug in the mains socket e Set the switch on the socket to the I position Note If the unit beeps and does not proceed or if an error code is shown refer to Chapter f The unit will beep and perform a self test now The display and the weight position indicators relating to the current weight mode will stay on default Refer to Figure 5 2 1 2 for an example The unit is now ready to receive input 5 2 2 Emergency stop Refer to Figure 5 2 2 1 To perform an emergency stop e Select the STOP key to apply the electronic brake In the event of an emergency stop due to an unexpected action by the unit rethink the steps that were made Did the operator make an error or omit to do something Correct the input and continue working No special procedure is required Did the unit do
32. e is immediately ready for the Wheel Width measurement to be entered Offset Offset equals the distance from the unit zero point to the rim reference or weight fixing plane reference point Refer to Figure 5 3 1 2 The rim or plane reference point depends on the type of wheel refer to Chapter 5 3 2 These measurements are always taken at the same time as that of the diameter If you need to repeat the operation Proceed as described above for the rim diameter geodyna 980L 2 HOFMANN V3 Operation Atthis point the LEDs on the control panel show again the weight application method selected and the width and diameter measurements appear on the display If a measurement operation has already been performed you can recalculate the measurements according to the new wheel data by activating a machine function for example by changing the weight allocation method or the imbalance precision display Fine key etc HWM mode HWM mode data entry is as described above apart from after a diameter or offset has been measured by the gauge arm and the machine indicates exactly where the counterweights should be placed MANUAL data entry Manual data entry is required only if the gauge arm malfunctions In that case proceed as follows Rim or tyre diameter e Read the nominal rim diameter directly on the rim or tyre itself e Select the diameter key on the control panel The last value entered appears e Enter the value
33. fault weight unit setting grams Proceed as follows to change the weight unit whether you have already spun the wheel or not e Press and hold down the F key and then press Gr Oz Repeat the procedure to turn the display back to grams 5 2 4 2 Changing the Dimensions Unit Default diameter and width unit setting inches e Press and hold down the F key and then press mm inch Repeat the procedure to turn the display back to inches geodyna 980L HOFMANN V3 Operation 5 3 2 Balancing This chapter describes how to balance a wheel For help on rim data input refer to Chapter 5 3 1 spinning the wheel refer to Chapter 5 3 3 weight application refer to Chapter 5 3 4 the check spin refer to Chapter 5 3 5 ggogpanpu 5 3 2 1 Normal weight mode Available in TRUCK and CAR LIGHT TRUCK modes When selected the display is as shown in Figure 5 3 2 1 1 Figure 5 3 2 1 2 shows the rim reference point e Establish the following dimensions Rim diameter of the reference point Rim width Offset of the reference point e After entering the dimensions spin the wheel e Apply the clip on weights at the indicated positions at the 12 o clock position Perform a check spin when done 5 3 2 2 ALU weight modes Select an ALU weight mode if one or more stick on weights will be used ATTENTION IN TRUCK MODE ONLY THE NORMAL ALU1 AND ALU2P MODES ARE AVAILABLE Doo00000 D 000000 Ima D Ql Ea N n DoOoo
34. geodyna 980 L Operation manual Wheel balancer for truck wheels Form ZEEWB710A03 HOFVIANN HOFMANN Y INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS When using your garage equipment basic safety precautions should always be followed including the following 1 2 10 11 12 13 Read all instructions Care must be taken as burns can occur from touching hot parts Do not operate equipment with a damaged cord or of the equipment has been dropped or damaged until it has been examined by a qualified serviceman Do not let cord hang over edge of table bench or counter or come in contact with hot manifolds or moving fan blades If an extension cord is necessary a cord with a current rating equal to more than that of the equipment should be used Cords rated for less current than the equipment may overheat Care should be taken to arrange the cord so that it will not be tripped over or pulled Always unplug equipment from electrical outlet when not in use Never use the cord to pull the plug from the outlet Grasp plug and pull to disconnect Let equipment cool completely before pulling away Loop cord loosely around equipment when storing To reduce the risk of fire do not operate equipment in the vicinity of open containers of flammable liquids gasoline Adequate ventilation should be provided when working on operating internal combustion engines Keep hair loose clothing fingers and all parts of b
35. he Start measuring run by closing wheel guard operating mode is not operative in this case Wheel clamping means compensation is cancelled by starting the balancing optimisation weight minimisation cycle Balancing optimisation program cycle The following is a description of the balancing optimisation program cycle code OP and weight minimisation code UN Balancing optimisation If after the measuring run the imbalance in the left or right correction plane and or the static imbalance is more than 30 grams perform automatic optimisation by activating the F PRO MATCH symbol e Before optimisation check that the rim dimensions have been set correctly You cannot correct the data later geodyna 980L 30 HOFMANN V3 Operation e Demount the tyre and clamp only the rim for the compensation run e Press the PRO MATCH key 2 The OP 1 reading appears In all figures in which the valve symbol appears on the edge of the rim shift the tyre on the rim then press the PRO MATCH key 2 to set the valve position exactly perpendicular to and above the main shaft e Readjust the rim so that the valve is exactly perpendicular to and above the main shaft e Press the PRO MATCH key 2 to acquire the valve position The OP 2 reading appears An incorrect valve position entry can be corrected afterwards Weight minimisation If no optimisation but only weight minimisation i e without compensation run for the rim
36. he air supply is provided by means of the pneumatic hose supplied with the machine The service pressure is 8 bar An integrated pressure reducer is factory adjusted to this value and must not be changed by the customer The line pressure should be atleast 8 bar and must never exceed 15 bar e Slide the foot guard supplied with the machine into the clamps in the direction shown by the arrow 2 Fig iii 4 adjust the distance of 30 mm as shown and tighten the clamps For ease of transport the column side panel is facing inwards hook for storage of adaptors e Unscrew the side panel turn it round and re fasten geodyna 980L 57 HOFMANN V3 Installation Instructions iv Test procedures e Balance a wheel to less than 0 25 oz 5 grams per plane e Perform a User Calibration See Chapter 6 3 1 v Instructing the operator Following applies only if a unit is installed by a service Technician e Show and explain the Safety Booklet e Show the operator how to switch the unit on and off e Show the operator how to perform an emergency stop e Show the operator how to select a wheel type enter data and apply a weight geodyna 980L Electrical diagram
37. he measuring run readjust the wheel according to the direction indicator and make a chalk mark on the right side of the tyre exactly perpendicular to and above the main shaft e Readjust the tyre on the rim so that the mark coincides with the valve use the tyre changer e Clamp the wheel on the balancer and readjust it so that the valve is exactly perpendicular to and above the main shaft e Press the PRO MATCH key 2 to acquire the valve position Reading Un 6 appears e Press the START key 8 geodyna 980L 35 HOFMANN V3 Operation The machine performs the second measuring run with the tyre After the measuring run three readings are possible Un 7 Proceed with the UN program It is recommended that the tyre be turned over on the rim Un 7 Proceed with the UN program It is recommended that the tyre be readjusted on the rim HO The optimum minimisation condition has been achieved and cannot be improved Depending on the readings there are several possibilities for proceeding with the program These possibilities are described below Reading Un 7 Turn the tyre over on the rim the left display bars are rotating Option 1 Turn the tyre over on the rim normal program e Readjust the wheel according to the left direction indicator and make a double mark on the left side of the tyre exactly perpendicular to and above the main shaft e Remove the wheel from the machine e Turn the
38. ibrated if imbalance optimisation silencing is performed or if the machine is turned OFF O Perform compensation 1 Compensation performed O Disable compensation after the measuring run Code C6 Figure 5 7 8 Entering the number of wheel spins per measuring run Between 10 and 30 spins are possible preset by the manufacturer at 10 spins per run Example change to 15 spins per run WARNING REDUCING THE NUMBER OF SPINS PER RUN MEANS THAT THE MEASUREMENT WILL BE LESS PRECISE The operating mode selected can be obtained from the permanent memory Code C7 Figure 5 7 9 Adjusting beep volume from 0 to 100 quiet loud preset by the manufacturer at 50 Example Change volume to 60 To confirm the volume change exit the function by pressing the C key The operating mode selected can be obtained from the permanent memory geodyna 980L 42 HOFMANN V3 o000000 anapnnan c a c O c Ul c oo00000 oo00000 oo00000 Operation Code C8 Figure 5 7 10 Selecting the threshold value for suppressing minor imbalances in grams or oz The unit of measure depends on the C3 code setting Unit of measure grams see table at end of manual Unit of measure oz see table at end of manual The operating mode selected can be obtained from the permanent memory Code C10 Figure 5 7 11 Saving an operating mode in the permanent memory i Don t save Save the data in the permanent memory e The ma
39. ing mode To use the balancer normally you do not need to change the operating mode and the relative states set by the manufacturer In special cases however or if working conditions require it the operating modes and states can be changed by entering the appropriate codes Operating mode settings and values e Press F 1 C Code 2 to enter the C Code mode e Use the and keys 3 e 4 to select the relevant C Code displayed on the left indicator 5 Press the C Code to confirm e Usethe and keys to select the relevant operating state displayed on the right indicator 6 Press the C Code to confirm and return to the base value Fig 5 7 2 This changes the operating mode which is then saved until a new setting is entered or until the machine is turned OFF The operating modes that are changed in this way can be saved permanently using the C10 code Now if the machine is turned OFF these modes are not lost and every time the machine is turned ON they are reinserted until they are changed again Code C4 Clamping device compensation This cannot be saved permanently The editing codes and the key combinations for entering them are listed below geodyna 980L 40 HOFMANN V3 oo00000 o000000 e el ea e e Ul oo00000 oo00000 oo00000 oo00000 oo00000 Operation Code CO Figure 5 7 3 setting operating modes preset by the manufacturer 0 Noaction 1 Setvalues p
40. ing the START key 1 Startarun by lowering the wheel guard The operating mode selected can be obtained from the permanent memory Code C14 Figure 5 7 14 User recalibration Code C21 Figure 5 7 15 This displays the program version number and the model number Program version 1 22 for mod 980L e todisplay the program version number release the C key e todisplay the model number press the Fine key Code C28 Figure 5 7 16 Selecting one of 10 messages from the error memory and deleting them from the error memory The last 10 unrepeated error messages are saved in the error memory so that the balancer user can trace malfunctioning via remote diagnosis The last error message is saved in the nr 1 memory slot The previous messages are stored in order of arrival in the memory list e Select one of the 10 error messages e Press the OP key to display the number of the error message left and the total number of times the message has appeared right e g the error in memory slot 7 has appeared 4 times e Forthe 2nd step press the C key e Press and hold down the Fine key spin the wheel and set the relevant code 0 Do not delete the error memory 1 Delete the error memory Factory adjusted mode geodyna 980L 44 HOFMANN V3 Maintenance 6 0 Maintenance This unit is designed to operate for a long time At start up the operator should check if all indicators and displays light up If the opera
41. ion key Activates the second function of multi function keys indicated by the graphics on the lower section of the keys Press this key and F appears on the left display then disappears when you press one of the function keys The F on the display also disappears when you press the function key again it is sometimes used like enter Fine key Press to toggle the read out accuracy between Normal or 25 50 or 100 0 5 1 or 2 oz depending on the registered value and Fine i e 10 grams 0 50z regardless of the registered value The unit will beep Release the key to return to normal accuracy F Fine key activates the car wheel optimisation and minimisation operation The unit will beep Release the key to return to normal accuracy F Fine key activates the PRO MATCH function optimisation and minimisation procedure geodyna 980L HOFMANN V3 payout 8 Weight key Press to select the required weight application mode weight mode the unit will beep F Weight key activates the SWM function hidden weight split This can only be activated after selecting the ALU2P ALUSP application mode 9 Stop key Press to stop spinning the wheel The STOP key also has an emergency stop function 10 g oz key Toggles between reading in grams and in ounces and vice versa F g oz activates the C Code functions special user functions 1 Static Dynamic key Toggles between dynamic and static modes F Stat Dyn activates
42. ion points authorised for regular disposal 3 Stick to the standards for correct waste management to prevent potential effects on the environment and human health This symbol indicates that separate collection of waste electrical and electronic equipment is mandatory for scrapping 9 0 Appendices This chapter contains additional information about the unit If reference is made to the exact configuration of the unit please note that the exact configuration may be different in your country Consult the order confirmation for details Operator s Manual geodyna 980L geodyna 980L Appendix Installation Instructions 53 HOFMANN V3 Cc F rH EE U it LJ r aL U S U S r L S r mE r U S U S 4 LJ R Lj d S r mE R S U S U L r IJ R at U S U a U S U UE Installation Instructions This appendix describes the installation requirements installation procedures and checks i Installation requirements Space requirements The drawings show the minimum safety requirements Refer to the drawings for space requirements geodyna 980L Each drawing has two sets of dimensions dotted lines for measurements regarding the holes for fixing the machine to the floor continuous lines for measurements regarding overall machine surface space Floor requirements The floor should be horizontal within 2 tolerance even within 2 mm able to
43. ith the OP program It is recommended that the tyre be turned over on the rim OP7 Proceed with the OP program It is recommended that the tyre be turned over on the rim HO geodyna 980L 32 HOFMANN V3 Operation Optimum condition has been achieved and cannot be improved H2 Silent running cannot be improved However it is possible to readjust the tyre relative to the rim to achieve significant weight minimisation i e smaller balance weights without having an adverse effect on silent running Depending on the readings there are several possibilities for proceeding with the program These possibilities are described below Reading OP7 Turn the tyre over on the rim the left display bars are rotating Option1 Turn the tyre over on the rim normal program Readjust the wheel according to the left direction indicator and make a double mark on the left side of the tyre exactly perpendicular to and above the main shaft Remove the wheel from the machine Turn the tyre over on the rim and readjust until the double mark coincides with the valve Clamp the wheel on the balancer and readjust it so that the valve is exactly perpendicular to and above the main shaft Press the PRO MATCH key 2 to acquire the valve position Reading OP 8 appears Press the START key 3 check run If balancing optimisation silent running has been carried out correctly according to the program c
44. le gle 5 Se g a S S als Q Ep U eur E a gy MD mo S s8 3 amp alg Sg vl of TL T Sel e pip S T E e Tem YO K Lr krr CYX gt D i i i l a B CX TW v tolo eX I i A L L L L L 6 8 719 A i i 1 l Y d EAE ITI C LY yivavivyy4 Ab yy S vec DT e z 1 rI e z 1 gs OL 998 09 gredi 8X eea o ee T c gi ez l ingt LX 9X ex Wee lLo el NSP i i i e 99 o E H4 eet Li LPL LL i LLL LL LRR E s Li A P e G L P Cl al 99y C C UU 60 L 9 9 b C c L T ee gus m m LA eA u PAS Xl p m OV y LEE GLOZEL d SSR OS z d S Sulpunais i e G TEX Ba ac 2d pl lt 6 lep SsouiDU uJojsAs AQA ing 22 esnpueb y S864 OWAOOL 28040A YB H puo x L Biss alum SE a 9 JoBumyos BunyejsBunpuiqieA T A V6LO0vZON UQUIUOSD fat CZ gt i 2anong SOUDI SISOY OUIOT z beets QUIN SEP L YM npowu Bunpi3 GJ Duunp 97X 80u Snow y LOUSY pion jeeJwAey C 5 dOIS K 4 9 ALa emod 1909 O i ueulejiue 40001 sise sbunuubds 10d T NPON T TEU B U spubrsiepsuot R EET gt Tre Ben sGupDujezjeN ed l T i banana R deu cle Pos 9uo196 ofb M T i eua 9P LEES e Dons on ipiis EH E anoa L S l ON elo se 3NO T 7 ON ls o l L F 4 tI n eg 4 x ON lt 90 200 124 T 1 LIZOSEE E ON LC Sopu Sg emipoiul 4 o g Anh rt E LS Wd3d a pal 96 DunieuoisueJ J ISIOJON _ R RG a E Y ed PEL GCCOGEE T T R S P Y 16 90 60 pn ibi S n CE K 00 600 ne am pee agn ANDU VOVA OVA Launo
45. ln e llfo MERE ET r 6 3 1 AGOBSSOELIOS iara o psce rero ona SE onte xa nuE EUN co Evo Deo guste Lese ce gun ves Eu S DN RKE Ca rss eua ueERvedU DEI uMES e uw OR EE DU NDS 8 3 2 ODUORGLAGCOSSODIOS eese ieaeestx versi mpra ursus aa ae aE ar en ade sd seu a Ea REESE ANNUS S SNNT VENE DUE 9 4 0 BLU er M 10 4 1 TEENS TT T c P ERH 11 4 2 MG Tent panei c 12 5 0 OS AUN p NR ae wis en we Rc 14 5 1 Operation of the pneumatic loading device sss sssssssssss sss sssssssssss essen esen 14 5 1 1 Clamping a tuek Whee e ee ene ee UR de RE SENI cEGI DUE SUI Unc UU UN aA 15 5 1 2 Clamping a car li Me Rm MMM 16 5 2 Preparato RSEN 17 5 2 1 mug m Q 17 5 2 2 Si K L aT STOD c 17 5 2 3 SONU Ts GO rtt RP 18 5 2 4 SENINGS MEM OTE M 18 5 3 2 BANCIO eec RETS 19 5321 Normal weldlit THOU uie indocti des eee suu recs innui ce ewe ewes Severa aiu uesu pc Exe aOENEF UFU SUUM EE RETE d deut 19 5922 PIU wehl eet M MM tute 19 5 3 2 3 Alu2P and Alu3
46. n e Perform a check spin when done 5 3 2 3 3 2 D Li DC c D e e c c D m L geodyna 980L 21 HOFMANN V3 8 DUDU Uu Operation 5 3 2 5 Internal Balancing Application of a patch inside a tyre To activate the procedure press key F 1 then the INT 2 key Figure 5 3 2 5 1 The left hand display shows the text c 4 which means you must enter the external tyre diameter which will be shown on the right hand display Note The procedure is the same as for static balancing the only difference being that you need to enter the external tyre diameter in order to calculate the weight 5 3 3 Spinning the Wheel The wheel data must be acquired and the type of rim to be used must be entered e Lower the tilting frame to its horizontal position e Press START to spin the wheel Figure 5 3 3 1 The motor starts up and the wheel spins Wheels must turn towards the right seen from the side of the unit on which they are mounted The measurement is completed as soon as the direction indicators light up The unit beeps The brake will be applied automatically and the wheel will stop in the correct left plane weight application position The weight s to be applied will be shown on the display For higher precision select Fine e Lift the wheel guard to its vertical position geodyna 980L 22 HOFMANN V3 0000 0 U a m Cj Ce Cj DODODDU pongono D 0000 D 0 Operation
47. ndui 26 52 2565 5 NI OIT exer S8 9012619 ZH 09 09 Bunuuodsjesuoewzjew Buobuly epel OLOS SIM UOOOUUOD g S EB 9 yun oroogKey pup OdSD JAO uooqny S AISISYILYDS ejees PADY AR yeulsuelpeg pun eBlezuy EysBUNOUSA rel an el J i S T f L uf Gioia g LG e lS r E ZM LLL LVL9Cth 1086096 es PICO JAMO qur EU 1 j T i xj leri E puo lods JIGULISLOIDOE IS s 7 T Ras pur eBeal 9y D Qu JANS HOFMANN amp Product requirements Imbalance weight resolution suppression Truck WB Resolution Normal Suppression Vehicle type Se 50 75 100 150 g 200 900g in Increments of 100 g Truck rim 1 00 9 9kg 10 g 0 50 oz 10 vehicle type 1 in Increments of 0 1 kg 0 5 1 2 4 6 98 oz in Increments of 2 02 1 g 0 05 oz 2 vehicle type 1 Light truck rim 10 g 0 50 oz Car rim 1 g 0 05 oz 3 5 g 0 12 oz Default values Rim dimensions Truck WB Vehicle type Width Diameter min max min max Truck millimeter 0 400 mm Light Truck inch 0 400 mm Light Truck millimeter 0 400 mm Car inch Car millimeter 0 400 mm geodyna 980L 59 EC declaration of conformity The company Snap on Equipment GmbH Gesch ftsbereich Hofmann Werkstatt Technik Werner von Siemens Str 2 D 64319 Pfungstadt declares herewith that the wheel balancer geodyna 980L as designed manufactured and put by us on the market meets relevant basic
48. o0oo 0000000 o o H N a N c C c Lr C C c C C DC m s En When selected the display shows ALU1 Refer to Figure 5 3 2 2 1 ALU2 Refer to Figure 5 3 2 2 2 ALUS Refer to Figure 5 3 2 2 3 ALU4 Refer to Figure 5 3 2 2 4 ALUS Refer to Figure 5 3 2 2 5 uP H Pollo o H N n2 oo e Establish the following dimensions Rimdiameter of the reference point Rim width Offset of the reference point Note For ALU2 and ALUS the right hand plane is equal to the front surface of the flange The weight should be applied in that plane Deviations in that plane should be compensated by increasing or reducing the weight applied Refer to Figure 5 3 2 2 6 Doo0o0o0 D 000000 n allo Ol Da N Nd ra UD OUDD DU D 000 DD U a Polos ca e After entering the dimensions spin the wheel e Apply the clip on stick on weights at the indicated 9 3 2 2 5 12 o clock positions G i CREASE OAE e Perform a check spin when done geodyna 980L HOFMANN V3 Operation 5 3 2 3 Alu2P and Alu3P HWM mode Select this mode for more exact balancing weight positioning behind spokes or special rims PAX TRX CTS etc When selected the display shows HWM1 Refer to Figure 5 3 2 3 1 Two stick on weights HWM Refer to Figure 5 3 2 3 2 Left plane clip on weight Right plane stick on weight Note The relevant HWM indicator is lit Figure 5 3
49. ody away from moving parts To reduce the risk of electric shock do not use on wet surfaces or expose to rain Use only as described in this manual Use only manufacturer s recommended attachments ALWAYS WEAR SAFETY GLASSES Everyday eyeglasses only have impact resistant lenses they are NOT safety glasses SAVE THESE INSTRUCTIONS Operator s Manual geodyna 980L INSTRUCTIONS HOFMANN LA DISCLAIMER OF WARRANTIES AND LIMITATIONS OF LIABILITIES While the authors have taken care in the preparation of this manual nothing contained herein modifies or alters in any way the standard terms and conditions of the purchase lease or rental agreementunder the terms of which the equipmentto which this manual relates was acquired increases in any way the liability to the customer or to third parties TO THE READER While every effort has been made to ensure that the information contained in this manual is correct complete and up to date the right to change any part of this document at any time without prior notice is reserved Before installing maintaining or operating this unit please read this manual carefully paying extra attention to the safety warnings and precautions geodyna i a Table of Contents Table of Contents lt Aa cc 5 1 1 Typographical CONVENNONS 5 2 0 SBOCHICOlIOHS uiu esse es Sars ces sateen E 6 2 1 Gro
50. on s 2 Possible cause 2 e Possible solution s When switched on nothing lights up 1 Power switch in OFF position not applicable for handspin balancers Set power switch in ON position No power cable connected Connect power cable to power outlet No mains power Check power supply power system fuses Unit fuse s blown Replace unit fuse s If the fuse s has have recently been replaced call service to check the unit e I e CO no e When switched on a beep is heard for 1 second 1 Configuration error e Call Service Team When switched on the unit beeps with a certain sequence e Note down the sequence e Call Service Team Display appears to freeze or lock up 1 The unit may be in a program waiting for a specific action e Finish the program currently in use e Switch off the unit Wait for 20 seconds switch on the unit Proceed 2 Power to the balancer may have been interrupted e Switch off the unit Wait for 20 seconds switch on the unit Proceed e fthis happens frequently have your power system checked If that is okay call technical service team geodyna 980L 46 HOFMANN VA Trouble shooting Gauge arm inputs differ from wheel dimensions stated on rim or tyre 1 2 Did you position the gauge arm correctly Refer to Chapter 5 3 1 Check the offset input of the gauge arm by entering manually Refer to the scale on the gauge If not identical proceed with step
51. onnel only geodyna 980L HOFMANN V3 Introduction 3 1 Accessories Refer to Figure 3 1 1 Standard accessories for HWT 1 Basiccentering device EAA0260D31A 2 Adaptor EAA0260D32A 3 Centering cone 122 174mm EAA0260D36A 4 Distance ring EAA0317D24A 5 Wing nut Tr 40x4 EAA0260D34A 6 Hexagon socket head key SW14 8 01350A 7 Hexagon socket head key SW8 8 01450A 8 Hexagon socket head key SW5 8 03550A 9 User Calibration weight EAMOO05D40A Standard accessories for HNA USA CANADA only Figure 3 1 1 1 Basiccentering device EAA0306D13A 2 Adaptor EAA0260D32A 3 Centering cone 113 170 mm EAA0304G39A 4 Distance ring EAA0277D59A 6 Hexagon socket head key SW14 8 01350A 7 Hexagon socket head key SW8 8 01450A 8 Hexagon socket head key SW5 8 03550A 9 User Calibration weight EAMOO05D40A 10 Quick Nut EAA0277D61A 11 4 5 Point Adaptor EAA0307G80A geodyna 980L HOFMANN V3 Introduction Standard accessories for HNA Figure 3 2 1 1 2 Cones 198 225 270 286 5mm EAA0260D37A 3 Universal drum cushion EACO058D15A 4 Universal drum EACO058D07A 5 Spacer ring EACOO058D08A 7 Large cone EAA0247G39A 8 Medium cone EAA0247G38A 9 Small cone EAA0247G37A 3 2 Optional Accessories HWT only Refer to Figure 3 2 1 1 2 Cones 198 225 270 286 5mm EAA0260D37A 3 Universal drum cushion EACO058D15A 4 Universal drum EACO058D07A 5 Spacer ring EACO058D08A 6 Quick Release Hub Nut EAA0263G66A 7 Largecone EAMOO05D25A 8 Medium cone EA
52. rator s Manual 4 storage hooks and flanges Handspin balancer only atransformer Motor driven balancers only a mains power cable a wheel guard assembly 2 bolts and nuts fitted on the wheel guard shaft Tools required screwdriver bar diameter 4 5 5 mm keys 13 17 mm Positioning e Remove the bolts that secure the wheel balancer on the pallet CAUTION DO NOT LIFT OR MOVE THE WHEEL BALANCER BY THE MAIN SHAFT OR MEASURING UNIT e Refer to Figure ii 2 Move the wheel balancer from the pallet to its working location Note Use the storage hooks mount as instructed in Chapter iii and or the wheel guard shaft if present to handle the wheel balancer geodyna 980L 55 HOFMANN V3 Installation Instructions iii Installation procedures Wheel balancer Refer to the drawing in i for correct wheel balancer positioning If the wheel balancer needs securing we recommend fixing elements with a diameter of 8 mm quality 8 8 or higher Supports for Accessories e Unpackthe 4 threaded accessory support studs and the support plates e Refer to Figure iii 1 Fit the 4 threaded accessory support studs and the plates Main shaft wheel adaptor Before fitting the wheel adaptor clean the main shaft support cone and the internal adaptor cone carefully Fig iii 2 Fitting the wheel adaptor 1 main shaft support cone 2 wheeladaptor basic clamping adaptor 3 Securing screws hexagonal socket head
53. re not balanced dynamically e g small moped wheels No left or right weight is calculated Mount the wheel according to Chapter 5 1 and select the correct weight mode geodyna 980L HOFMANN V3 Operation 5 3 1 Rim data input Dimensions can be entered either automatically using the gauge arm or measured by hand and then typed in on the keyboard Dimension Units diameter inches default or mm rim width inches default or mm offset millimetres To change the units refer to Chapter 5 2 4 2 Automatic data entry by using the GAUGE ARM Non HWM mode Rim diameter e Ensure that the gauge arm is in the home position e To position the arm correctly on the rim pull the gauge head holding ring inwards and hold it there until it has taken the measurement 1 Fig 5 3 1 3 e Position the gauge arms correctly on the rim so that the reference point on the arm is in contact with the reference point on the rim 2 Fig 5 3 1 3 e Hold the gauge arm steady for at least one second The machine will beep to indicate that the measurement has been taken and is within the program s parameter range Rim width e Measure the rim manually with the callipers refer to Fig 5 3 1 1 or read the measurement directly on the rim itself if it s written there e Press the Rim width key e Enter the value manually using the keyboard Note when the Automatic Measurer has registered the Diameter and Offset the machin
54. reset by the manufacturer state 1 is displayed only briefly The operating mode selected can be obtained from the permanent memory Code C1 Figure 5 7 4 Selecting the definition of the imbalance value in steps from 1 or 5 grams from 0 05 to 0 25 OZ 0 5 gram 0 25 oz definition 1 1 gram 0 05 oz definition The operating mode selected can be obtained from the permanent memory Code C2 Figure 5 7 5 Selecting the suppression of minor imbalance values 0 Suppression OFF 1 Suppression ON The operating mode selected can be obtained from the permanent memory Code C3 Figure 5 7 6 Selecting the unit of measure for indicating the imbalance grams oz activated after the machine has come on 0 Valuein grams 1 Value in oz The operating mode selected can be obtained from the permanent memory preset by the manufacturer geodyna 980L 41 HOFMANN V3 o000000 oo00000 oo00000 c a c ce co c oo00000 oo00000 Operation Code C4 Figure 5 7 7 Eventual residual clamping device imbalance compensation High precision measuring This operating mode cannot be stored in the permanent memory Once compensation has been performed if the clamping device is changed this value must be deleted or recalculated using the new device To delete clamping device compensation set the operating state to 0 Compensation should be deleted when the machine is calibrated or recal
55. rpendicular to and above the main shaft e Press the PRO MATCH key 2 to acquire the valve position Reading OP 8 appears e Press the START key 3 check run If balancing optimisation silent running has been carried out correctly according to the program cycle after the check run the machine automatically returns to the type of weight positioning previously selected and indicates the residual dynamic imbalance on the wheel e Balance the wheel according to the readings Both optimisation and balancing are accomplished Message E9 Message E9 means that at least one error occurred during the optimisation cycle Press the STOP key 4 to exit the optimisation program and repeat optimisation if necessary Option 2 do not adjust the tyre on the rim o Press the STOP key 4 to exit the OP program and return to the balancing program The imbalance on the wheel is shown on the readout o Balance the wheel according to the readings Reading HO e Press the STOP key 4 to exit the OP program and return to the balancing program The imbalance on the wheel is shown on the readout e Balance the wheel according to the readings The optimum balancing optimisation condition has been achieved and cannot be improved Reading H2 Silent wheel running cannot be improved However it is possible to achieve weight minimisation readings with code UN Option 1 Weight minimisation e Press the F key to continue the program A
56. ry Use the clamping means supplied with the machine or perform basic calibration Service E16 During the first recalibration run the calibration weight was attached by mistake Unscrew the calibration weight and press START E17 Wheel slips on clamping means The clamping nut is not tightened properly the main shaft accelerates too quickly The machine will stop Firmly tighten the clamping nut and in special cases press the START key for longer E83 During a measuring run the values measured are rendered useless due to outside interference pulses e g strong vibrations The run is interrupted Repeat the measuring run E88 The main shaft speed exceeds the safety limit geodyna 980L 49 HOFMANN VA oo000000 DOODOUD a D DOODDOD DOOUDOU oo00000 U foley oo000000 Le e ce Ee c EJ Ec Danogagp opo000000 Trouble shooting E89 A key is jammed Find and release jammed key Or Press STOP or ESC to check the pedal switch If the error cannot be eliminated the pedal function is switched off by pressing the STOP key or the ESC key Call service team E92 The gauge for measuring the distance and diameter is faulty Call service team As long as the geodata measuring gauge is defective set the distance and rim dimensions using the menu key and turning the wheel Chapter 2 3 3 E93 The gauge for measuring wheel width is faulty Call service team As long
57. s a result reading is Un 7 or Un 7 geodyna 980L 34 HOFMANN V3 Operation Option 2 Abort optimisation e Press the STOP key 4 to exit the OP program and return to the balancing program The imbalance on the wheel is shown on the readout e Balance the wheel according to the readings Weight minimisation program cycle If the rim compensation run was omitted and the F key 1 was pressed to go directly into the minimisation program reading Un proceed as follows e Clamp the wheel e Position the valve exactly perpendicular to and above the main shaft e Press the PRO MATCH key 2 to acquire the valve position Reading Un 4 appears e Press the START key 8 The measuring run is carried out After the measuring run two readings are possible Un 5 H1 Further minimisation is not recommended but is possible Un 5 Reference mark Continue with the UN program Reading Un 5 H1 If Un 5 H1 appears further minimisation is not recommended since the measurement values do not exceed the limit values However it is possible to continue minimisation so as to achieve an improvement if only slight e g for critical vehicles To continue minimisation e Proceed as indicated for reading Un 5 Reference mark To abort minimisation e Press the STOP key to return to the balancing program and balance the wheel according to the readings Reading Un 5 Reference mark e After t
58. ser Calibration Important Before performing a User Calibration ensure the clamping device supplied by the manufacturer is fitted Calibration Cod C14 e Make sure that only the clamping device is fitted to the main shaft no wheel or any other clamping accessories e Press F C Code The base C 0 value is displayed e Use the and keys to select the C14 Code e Press the C Code key Value 1 is displayed e Close the wheel guard press the START key if necessary to perform the first calibration run a longer measuring run to detect any residual imbalances At the end of the first calibration run value 2 is displayed e Screw the calibration weight into the threaded bore on the machine flange Figure 5 6 1 1 e Press the START key to perform the second calibration run with the calibration weight to detect the adjustment values After the second measuring run the electronic system processes the values registered in the calibration runs and saves them in the permanent memory At the end of the processing phase the machine sounds a three tone beep to indicate that recalibration is complete The machine is now ready to use again and the base value is displayed e Atthe end of the calibration procedure unscrew the calibration weight from the flange and put it back in its place geodyna 980L 39 HOFMANN V3 anapnnan c a c cel c Ul c oo00000 oo00000 Operation 5 7 Selecting the operat
59. something unexpected e Read the relevant chapters again e Prepare the unit for a restart switch off the unit switch on the unit again e Carefully repeat the commands with the manual available e Ifthe unit does not function correctly call the service team immediately and WARNING PREVENT ANY FURTHER USE OF THE UNIT geodyna 980L HOFMANN V3 Operation 5 2 3 Shutting down Always shut down properly when work is complete e Remove the wheel from the balancer e Remove the cones and hub nut from the stub shaft Check the surfaces internal and external of the cones for damage The condition of the cone is very important for a good balance quality e Check the thread of the hub nut and stub shaft e Clean all threads and surfaces with a dry soft cloth e Store the cones and the hub nut in the correct place e Unplug the mains cable from the power outlet e Check the power cable for damage or wear e Tidy up the storage areas e Clean the display and input panel with a soft dry cloth e Remove old wheel weights and other material from under the balancer The balancer must rest on its three feet only 5 2 4 Settings After switching on the unit a default weight mode is shown If the unit then shows another weight mode refer to Chapter 5 3 2 The unit of measurement indicated at power up Is inches but the setting selected before switching off for grams ounces remains 5 2 4 1 Changing the Weight Unit De
60. to return to the balancing program and continue according to the readings geodyna 980L 3 HOFMANN Y Operation 5 5 Special functions In this chapter all functions that may be accessed by the operator are described A special function is a mode that is not necessarily required to balance a wheel properly 5 5 1 Non skid function On wheels with a limited weight skid specifications may make it impossible to perform a run at the normal measuring speed This function may be disabled for a single run e Hold the START key down while the wheel guard is lowered Note the machine will start the wheel spinning gradually in order to stop it from skidding and avoiding the consequent error messages E17 geodyna 980L 38 HOFMANN V2 Operation 5 6 Calibration This chapter describes the calibrations that can be performed by the operator 5 6 1 User calibration If a number of different measuring runs have to be performed to balance a wheel and the values and positions of the weights have to be changed it generally means that measuring is not precise In this case the operator can recalibrate the machine To perform a so called User Calibration the operator should use the calibration weight r f EAMO005D40A supplied with the machine situated at the back of the weights shelf A calibration run usually lasts longer than a measuring run Clamping element imbalance compensation is deleted following a U
61. tor shuts down correctly Chapter 5 2 3 at the end of each shift no further maintenance is required This unit must not be opened by the operator apart from following the instructions below 6 1 Storage When the unit will be stored for a several weeks or longer prepare the unit correctly e Shutdown the unit properly refer to Chapter 5 2 3 e Remove the threaded shaft from the balancer e Applyathin layer of non corrosive oil on all threads and cones e Wrap oiled items in paper to keep the parts dust free Before putting the unit into use again clean all oiled parts 6 2 Changing the mains fuse Refer to Figure 6 2 1 e Switch off the unit e Unplug the power cable from the power outlet e Remove the power cable from the machine mains Socket e Press the fuse holder central tab upwards e Pulloutthe fuse holder e Replace the fuse with another fuse having an identical rating e Return the unit to its original state geodyna 980L 45 HOFMANN VA Trouble shooting 7 0 Trouble shooting If a problem arises with the wheel balancer proceed in the following order to solve the problem 1 Rethink the last steps taken Did you work according to the manual Did the unit work as described and expected 2 Checkthe unit according to the points listed in this chapter 3 Call your local sales agent for technical service The set up of this chapter is Problem 1 Possible cause 1 e Possible soluti
62. unit within easy reach of the operator The Operator s Manual will contain specific warnings and cautions when dangerous situations may be encountered during the procedures described 1 1 Typographical conventions This manual contains text styles intended to make the reader pay extra attention Note Suggestion or explanation CAUTION INDICATES THAT THE FOLLOWING ACTION MAY RESULT IN DAMAGE TO THE UNIT OR OBJECTS ATTACHED TOIT WARNING INDICATES THAT THE FOLLOWING ACTION MAY RESULT IN SERIOUS INJURY TO THE OPERATOR OR OTHERS e Bulleted list e Indicates that action must be taken by the operator before proceeding to the next step in the sequence geodyna 980L HOFMANN Y Specifications 2 0 Specifications Power Power Supply 115 120V AC 0 3 kW 50 60 Hz 1 ph Power consumption 2 0A Power Supply 200 240V AC 0 3 kW 50 60 Hz 1 ph Power consumption 1 0A Motor rating 0 25 kW Mains fuses 2x IEC 127 T5A Protection class IP23 Measurements Measuring time 20s Measuring speed 100 rpm Offset 0 340 mm Resolution see Product Requirements table Wheel dimensions Max width 650 mm Max diameter 1300 mm Max weight 250 Kg Rim width 76 510mm 2 20 Rim diameter Shaft and cones Stub shaft diameter Light truck cone Light truck cone HNA Dimensions Weight Shipping weight Dimensions hxdxw Shipping dimensions Miscellaneous Noise level 2 1 Conditions 205 635mm 8 30 40 mm 12
63. ust the tyre on the rim normal program Readjust the wheel according to the right direction indicator and make a double mark on the right side of the tyre exactly perpendicular to and above the main shaft Remove the wheel from the machine Readjust the tyre on the rim until the double mark coincides with the valve Clamp the wheel on the balancer and readjust it so that the valve is exactly perpendicular to and above the main shaft Press the PRO MATCH key 2 to acquire the valve position Reading Un 8 appears Press the START key 3 check run If weight minimisation was carried out correctly according to the program cycle the machine automatically returns to the type of weight positioning previously selected and indicates the residual dynamic imbalance on the wheel Balance the wheel according to the readings Both weight minimisation and balancing are accomplished Message E9 Message E9 means that at least one error occurred during the minimisation cycle Press the STOP key 4 to exit the minimisation program and repeat minimisation if necessary Option 2 Do not readjust the tyre on the rim Press the STOP key 4 to exit the minimisation program and return to the balancing program The imbalance on the wheel is shown on the readout Balance the wheel according to the readings Reading HO The optimum minimisation condition has been achieved and cannot be improved Press the STOP key 4
64. ycle after the check run the machine automatically returns to the type of weight positioning previously selected and indicates the residual dynamic imbalance on the wheel Balance the wheel according to the readings Both optimisation and balancing are accomplished Message E9 Message E9 means that at least one error occurred during the optimisation cycle Press the STOP key 4 to exit the optimisation program and repeat optimisation if necessary Option 2 Do not turn the tyre over on the rim Press the F key 1 The result is recalculated Reading OP 7 or HO or H2 appears To go to OP 7 turning over the tyre press the F key 1 again Option 3 Abort optimisation Press the STOP key 4 to exit the OP program and return to the balancing program The imbalance on the wheel is shown on the readout Balance the wheel according to the readings Reading OP 7 geodyna 980L 33 HOFMANN Y Operation Readjust the tyre on the rim the right display bars light up permanently Option 1 Readjust the tyre on the rim normal program e Readjust the wheel following the right direction indicator and make a double mark on the right side of the tyre exactly perpendicular to and above the main shaft e Remove the wheel from the machine e Readjust the tyre on the rim until the double mark coincides with the valve e Clamp the wheel on the balancer and readjust so that the valve is exactly pe

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