Hofmann Geodyna 2350 Operation Manual
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Hofmann Geodyna 2350 Operation Manual

Car wheel balancer
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geodyna 2350
Operation manual
Car wheel balancer
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Hofmann Werkstatt-Technik

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  • Page 1 2350 Operation manual Car wheel balancer â Hofmann Werkstatt-Technik...

  • Page 2: Table Of Contents

    By exact adjustment of the two wheel components relative to each other optimum wheel running conditions or at least balance weight minimisation can be achieved. Operation manual geodyna 2350 - 9413 126...

  • Page 3: Safety Rules And Function

    Wear suitable protective clothing and accessories (e. g. goggles, safety shoes, helmet). For further safety rules to be observed, please refer to the individual chapters. Operation manual geodyna 2350 - 9413 126...
  • Page 4 100 rpm a wheel guard is not mandatory in Germany, however an optional wheel guard can be supplied. With mounted wheel guard, the electronic unit can be programmed via code C13 so that measurement is started by closing of the guard. Operation manual geodyna 2350 - 9413 126...
  • Page 5 180 degrees on the pallet (Fig. 4). Then lower one side of the machine laterally on the floor (Fig. 5). Remove the pallet from underneath the machine and gently lower the entire machine onto the floor (Fig. 6). Operation manual geodyna 2350 - 9413 126...

  • Page 6: Installation Of The Machine

    When the wheel guard is open the wheel guard switch must be pressed. The balancer must not start. Place the cover (Fig. 10, item 5) onto the holder for the wheel guard arbor and fasten by means of tapping screws. Operation manual geodyna 2350 - 9413 126...

  • Page 7: Electrical Connection

    15 amp circuit breaker. The electrical diagram is illustrated in § 16. The machine operates internally on a line voltage of 230 V be- cause the voltage is regulated by an integrated transformer. Operation manual geodyna 2350 - 9413 126...
  • Page 8 G/OZ Switches over the weight unit for unbalance readings (grammes or ounces). Readings in grammes Readings in ounces When the machine is switched on the weight unit set with code C3 is active. Operation manual geodyna 2350 - 9413 126...

  • Page 9: Controls And Displays

    (using service code). Readouts stay in RV mode until deselected by pressing the key again. S/D (key pressed on bottom): - Function key to select display of dynamic or static unbalance (S/D key). Operation manual geodyna 2350 - 9413 126...
  • Page 10 Readout display changes to single-plane. Both location displays are active and work in parallel. Distance and di- ameter dimensions have no effect and are preset to nominal values. All special functions are inactive and cannot be selected. Operation manual geodyna 2350 - 9413 126...
  • Page 11 SPOKE: Hidden spoke placement (HSP) mode is se- lected. Number of spokes Number of spokes for hidden spoke placement. Holding the SPOKE key pressed rotate the wheel to set the number of spokes between 3 and 12. Operation manual geodyna 2350 - 9413 126...
  • Page 12 Note When the wheel is rotated manually, the SAPE symbol will not light up. ALU+ lights whenever ALU+ is chosen. lights whenever in two-plane mode both imbalance read- outs are 0.00. Operation manual geodyna 2350 - 9413 126...
  • Page 13 The main shaft is locked when the pedal is depressed. This fa- cilitates tightening or untightening of the clamping nut and re- tains the wheel in the correction position for correct fitting of the balance weights. Operation manual geodyna 2350 - 9413 126...
  • Page 14 (max. 10 times), or aborted by press- ing the STOP key. E3 - Fig. 27 Distance gauge arm is not in home position. Move gauge arm to its home position. Press the STOP key to continue. Operation manual geodyna 2350 - 9413 126...

  • Page 15: Turning On The Machine

    Damage is not covered under warranty. C10 804 - Fig. 32 Line voltage too high. Damage to the electronic unit of the ma- chine is likely! Turn off machine immediately. Damage is not covered under warranty. Operation manual geodyna 2350 - 9413 126...
  • Page 16 Cancel compensation by pressing and holding the FINE key (Fig. 16b, item 11) and rotating the wheel, or by switching the machine of for a few seconds. In the right display, 0 is read out. Operation manual geodyna 2350 - 9413 126...

  • Page 17: Clamping The Wheel

    Fig. 34 Cone adapter to clamp center bore located wheels Cone Clamping head with clamping nut Fig. 35 Universal clamping adapter for clamping stud hole lo- cated wheels or wheels with closed rim. Rim with center bore (center bore location) Closed rim Operation manual geodyna 2350 - 9413 126...
  • Page 18 (Fig. 36, item 1) and rotating the wheel until the desired value is read out. On releasing the function key the input is re- tained until another input is made. Operation manual geodyna 2350 - 9413 126...

  • Page 19: Entry Of Balancing Mode And Wheel Size

    Alu 1 Alu 5 Hammer-on weight on right rim flange, adhesive Alu 2, Alu 2P weight attached to left bead seat Alu 3, Alu 3P Alu 4 Alu 5 Operation manual geodyna 2350 - 9413 126...
  • Page 20 To enter the wheel diameter, press and hold the function key (Fig. 41, item 1). Rotate the wheel while the key is pressed in order to enter the diameter. Having made the input release the function key. Operation manual geodyna 2350 - 9413 126...
  • Page 21 Hammer-on weight on right rim flange, adhesive weight attached to left bead seat Alu 4 Point of application of gauge arm 15.5 Given weight position Point of appliction of gauge arm = weight position Alu 5 15.5 Operation manual geodyna 2350 - 9413 126...
  • Page 22 Press and hold the key for distance (Fig. 44, item 1). Holding the key pressed, rotate the wheel to enter the distance previously read from the scale. Release the key. By pressing the key the distance can be viewed once again. Operation manual geodyna 2350 - 9413 126...
  • Page 23 The symbol for the inner weight is viewed on the display (Fig. 45d). An audible signal is given when the distance has been stored. Return the distance gauge arm to its home position. Start the measuring run. Operation manual geodyna 2350 - 9413 126...
  • Page 24 Swing the gauge arm in and return it to its home position. Firmly press the adhesive weight on the rim by hand. Fit the second adhesive weight for AP2 in the same manner. Operation manual geodyna 2350 - 9413 126...
  • Page 25 The symbol for the inner weight is viewed on the display (Fig. 47d). An audible signal is given when the distance has been stored. Return the distance gauge arm to its home position. Start the measuring run. Operation manual geodyna 2350 - 9413 126...
  • Page 26 (Fig. 48, item 5). Swing the gauge arm in and return it to its home position. Firmly press the adhesive weight on the rim by hand. Operation manual geodyna 2350 - 9413 126...
  • Page 27 7.2.10 Correction of inputs after measurement Upon operation of the FINE key the electronic unit accepts the new input, processes it and then reads out the corrected measured data without need to repeat the measuring run. Operation manual geodyna 2350 - 9413 126...
  • Page 28 Fig. 53 Example of display and correction of the righthand correction plane Display of correction position - only the center element lights up Display of amount of unbalance Position of balance weight on rim inch START Operation manual geodyna 2350 - 9413 126...

  • Page 29: Balancing The Wheel

    The display shows the dimension for the first distance, which decreases as the gauge is approached. At 0 ±1 an audible sig- nal is given to show that the correction plane has been reached. Operation manual geodyna 2350 - 9413 126...
  • Page 30 1/4 ounce) add to a static unbalance above the toler- ance limit. These residual unbalances are read out upon oper- ation of the FINE key (Fig. 16b, item 11) and should then be bal- anced. Operation manual geodyna 2350 - 9413 126...
  • Page 31 For balancing modes Alu 2 and Alu 3 fit a balance weight in hidden position inside the rim; in this case the correc- 59.2 tion diameter for static unbalance correction lies inside the rim (Fig. 59.4). 59.3 59.4 Operation manual geodyna 2350 - 9413 126...
  • Page 32 The spoke LED lights up and the number of spokes is displayed (Fig. 62). The number of spokes can be chosen between 3 and 12. CALIBRATE FINE SPOKE PROMATCH RV-LIGHT TRUCK Operation manual geodyna 2350 - 9413 126...

  • Page 33: Hidden Spoke Placement

    The divided amount of unbalance of the hidden spoke place- ment is read out for the second adhesive weight in the right correction plane (Fig. 67); in the example 5 g. Fit the second weight behind the spoke in the same way. Operation manual geodyna 2350 - 9413 126...
  • Page 34 Rotate the wheel to set a balancing mode other than Alu 2, Alu 2P or Alu 3, Alu 3P. In the reading “Wheel data” press twice the key for bal- ancing mode and set number of spokes to zero. Operation manual geodyna 2350 - 9413 126...
  • Page 35 Code C4 Compensation of the clamping means cannot be stored in the permanent memory. The possible changes of codes and the necessary inputs are described in the following. Operation manual geodyna 2350 - 9413 126...

  • Page 36: Changing Modes Of Operation

    Fig. 72 Selecting suppression of minor unbalance readings Suppression off to 0 1* = Suppression on The selected mode of operation can be transferred to the per- manent memory. to 1 * = Factory adjusted mode Operation manual geodyna 2350 - 9413 126...
  • Page 37 Make sure that the wheel is not blocked by tools or the like. No braking Braking The selected mode of operation can be transferred to the per- manent memory. * = Factory adjusted mode Operation manual geodyna 2350 - 9413 126...
  • Page 38 Factory-adjusted to 0.25 oz Read out limit, e. g. 0.25 oz Select another limit, e. g. 0.50 oz The selected mode of operation can be transferred to the per- manent memory. * = Factory adjusted mode Operation manual geodyna 2350 - 9413 126...
  • Page 39 13 0* = Start via START key Start via wheel guard to 0 The selected mode of operation can be transferred to the per- manent memory. * = Factory adjusted mode to 1 Operation manual geodyna 2350 - 9413 126...
  • Page 40 It is possible to store up to 4 wheel profiles. The following values (if available) are stored: Nominal wheel dimensions Values measured with the gauge arm Weight positions Positions for relocation See also C17 Operation manual geodyna 2350 - 9413 126...
  • Page 41 (left) and number of incidents (right), e.g. error code on memory location 7 occurred 4 times to 1 Press the CODE key for the 2nd step. Do not clear the error memory Clear error memory Operation manual geodyna 2350 - 9413 126...
  • Page 42 With this wheel type it is not possible to choose a balancing mode. E8 - Fig. 92 Valve position was not entered (error code only in Pro-Match program). Position valve at 12:00 o’clock and press the PRO MATCH key. Operation manual geodyna 2350 - 9413 126...

  • Page 43: Error Codes

    The clamping nut is not tight, the main shaft accelerates too quickly. The machine will stop. Firmly tighten the clamping nut, or if the wheel is very small press the START key a little bit longer. Operation manual geodyna 2350 - 9413 126...
  • Page 44 Find and release the key, or call service. E92 - Fig. 100 Distance gauge arm defective. Call service. As long as the gauge arm is defective, enter by pressing the distance key and rotating the wheel (see § 7.2). Operation manual geodyna 2350 - 9413 126...
  • Page 45 The indexed position is not the one for the correction plane in which the adhesive weight is to be fitted with the gauge arm. Index the correct position for this correction plane prior to attaching the adhesive weight. Operation manual geodyna 2350 - 9413 126...
  • Page 46 H91 - Fig. 110 Speed variations during measuring run. The main shaft lock may be operated. Release main shaft lock. Make sure that the shaft with mounted wheel can rotate freely. Repeat the measuring run. Operation manual geodyna 2350 - 9413 126...
  • Page 47 The service technician can locate and eliminate the corresponding error by means of the number of tones, their fre- quency and duration (long/short) and the length of the pauses. Switch off the machine. Call service. Operation manual geodyna 2350 - 9413 126...
  • Page 48 To start the Pro-Match/minimisation program anew after an in- terruption, it is only necessary to press the PRO MATCH key. During Pro-Match/minimisation a measuring run always has to be started with the START key. Operation manual geodyna 2350 - 9413 126...

  • Page 49: Pro-Match/Weight Minimisation

    Again, proceed with the program by depressing the FINE key. As a result the reading goes to Un.4 (see § 12.4, Fig. 128) where you continue. The valve position input of OP.1 remains entered. START Operation manual geodyna 2350 - 9413 126...
  • Page 50 Proceed as specified for reading OP.5 - reference mark (see next page). To abort Pro-Match: Press the STOP key to return to the balancing program and balance the wheel according to the readings. Operation manual geodyna 2350 - 9413 126...
  • Page 51 Depending on the readings, there are several possibilities for proceeding with the program. These possibilities are described below. Operation manual geodyna 2350 - 9413 126...
  • Page 52 If E 9 is read out, at least one error was made with respect to the sequence of operations when performing Pro-Match (see § 11. Error codes). Abort the Pro-Match program by pressing the STOP key and, if desired, start Pro-Match once again. Operation manual geodyna 2350 - 9413 126...
  • Page 53 If E 9 is read out, at least one error was made with respect to the sequence of operations when performing Pro-Match (see § 11. Error codes). Abort the Pro-Match program by pressing the STOP key and, if desired, start Pro-Match once again. Operation manual geodyna 2350 - 9413 126...
  • Page 54 Choice 2: Abort Pro-Match Press the STOP key to leave the Pro-Match program and return to the balancing program. The unbalance present in the wheel is read out. Balance the wheel according to the readings. Operation manual geodyna 2350 - 9413 126...
  • Page 55 Proceed as specified for reading Un.5 - reference mark (see next page). To abort minimisation: Press the STOP key to return to the balancing program and balance the wheel according to the readings. Operation manual geodyna 2350 - 9413 126...
  • Page 56 H 0 (see Fig. 134) Optimum condition has been achieved and cannot be im- proved. Depending on the readings, there are several possibilities for proceeding with the program. These possibilities are described below. Operation manual geodyna 2350 - 9413 126...
  • Page 57 If E 9 is read out, at least one error was made with respect to the sequence of operations when performing Pro-Match (see § 11. Error codes). Abort the Pro-Match program by pressing the STOP key and, if desired, start Pro-Match once again. Operation manual geodyna 2350 - 9413 126...
  • Page 58 If E 9 is read out, at least one error was made with respect to the sequence of operations when performing Pro-Match (see § 11. Error codes). Abort the Pro-Match program by pressing the STOP key and, if desired, start Pro-Match once again. Operation manual geodyna 2350 - 9413 126...

  • Page 59: User Calibration

    The machine is now operative and the basic readings come back (Fig. 135). Remove the calibration weight from the wheel adapter and put it back in its designated place. Operation manual geodyna 2350 - 9413 126...

  • Page 60: Maintenance

    If defects occur which cannot be elim- inated by the user (error codes not mentioned under § 11. Error codes), contact your local Hofmann distributor or Hofmann for service at the numbers listed below. 14.1 After-sales service Please contact your local agent (see last page).

  • Page 61: Electrical Diagram

    16. Electrical diagram Operation manual geodyna 2350 - 9413 126...
  • Page 62 Notes Operation manual geodyna 2350 - 9413 126...
  • Page 63 Notes Operation manual geodyna 2350 - 9413 126...
  • Page 64 ® Hofmann - USA 309 Exchange Ave. Conway, AR 72032 U.S.A. Phone: 800 251 4500 Fax: 501 450 2085 Web: www.hofmann-usa.com Hofmann - Canada 6500 Millcreek Dr. Mississauga, Ontario L5N4G4 Phone: 800 267 2185 Fax: 905 821 2073 Web: www.hofmann.ca Snap-on Equipment GmbH - Germany Geschäftsbereich Hofmann Werkstatt-Technik...

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