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Hofmann geodyna 4801P Instructions For Adjustment

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Instructions for adjustment
Datum 27.04.2005
geodyna 4801P
Page 1 of 30
After switching on the machine, the following readings comes up.
Durch drücken der Funktionstaste F1 werden Einstell- und Servicefunktionen zugänglich.
Durch drücken der Funktionstast F1werden Einstell – und Servicefunktionen zugänglich.
By pressing key F1 you enter the configuration menu..

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  • Page 1 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 1 of 30 After switching on the machine, the following readings comes up. Durch drücken der Funktionstaste F1 werden Einstell- und Servicefunktionen zugänglich. Durch drücken der Funktionstast F1werden Einstell – und Servicefunktionen zugänglich.
  • Page 2 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 2 of 30 The following reading appears: By pressing 3times key F 6 the key F 4 service routine will be come active.
  • Page 3 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 3 of 30 The following reading appears: By pressing key F 4 the the service program become active.
  • Page 4 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 4 of 30 The following reading appears: By pressing and holding key F1 C – Codes and by rotating the main shaft you can select calibration and test codes.
  • Page 5 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 5 of 30 Code C80 Basic settings of the potentiometers The following reading appears: 3,57 4,27 Distance Diameter The display proceeds automatically to indicate the basic settings. Cone adator (backing plate) must be installed! Setting the diameter potentiometer: Pull out the gauge arm and apply the outer gauge head to the outher surface of the cone adaptor.
  • Page 6 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 6 of 30 Code C80 Basic settings of the potentiometers The following reading appears: Distance Pull out the gauge arm exactly 280 mm, hold, and press the F6 ENTER KEY to store the value.
  • Page 7 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 7 of 30 Code C80 Basic settings of the potentiometers The following reading appears: Place the calibration weight on top of the cone adaptor, its threaded end pointet vertically upwards. Apply the...
  • Page 8 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 8 of 30 Code C80 Basic settings of the potentiometers The following reading appears: Next apply the diameter gauge head to the threaded end of the calibration weight and Press the F6 ENTER KEY to store the value...
  • Page 9 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 9 of 30 Code C80 Basic settings of the potentiometers The following reading appears: C80. Step no. 5 has no function yet. Press F6 ENTER KEY to continue...
  • Page 10 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 10 of 30 Code C80 Basic settings of the potentiometers The following reading appears: C80. Distance Raise the gauge arm and pull out at least 3 times slowly until it clamps. After each clamping hold the gauge arm for at least 1 second in the instantaneous clamping position before repeating this procedure.
  • Page 11 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 11 of 30 Code C80 Basic settings of the potentiometers The following reading appears: C80. Distance Pull out the gauge arm at le ast 7 times with increased constant speed until it clamps. After each clamping hold the gauge arm for at least 1 second in the instantaneous clamping position before repeating this procedure.
  • Page 12 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 12 of 30 Code C80 Basic settings of the potentiometers The following reading appears: Calibration is completed and must be stored by entering C90. Service and test functions bec ome accessible by pressing and holding the F1 C-CODE KEY and by rotating the main shaft.
  • Page 13 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 13 of 30 Measuring adaptor flange and zero plane using code C81. The following reading appears: Abstand Apply the gauge arm on the contact surface of the test rotor and press the F6 ENTER KEY to...
  • Page 14 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 14 of 30 Measuring adaptor flange and zero plane using code C81 The following reading appears: Calibration is completed and must be stored by entering Code C90. Service and test functions become accessible by pressing and holding the F1 C-CODE KEY and...
  • Page 15 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 15 of 30 Code C83 – Calibration of unbalance measurement Clamp the test rotor, enter distance, 15“ diameter and 6.5“ width.
  • Page 16 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 16 of 30 Code C83 – Calibration of unbalance measurement The following reading appears: Press the START key to start a measuring run.
  • Page 17 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 17 of 30 Code C83 – Calibration of unbalance measurement The following reading appears: Insert a calibration weight of 100 gms in the left-hand plane of the test rotor and press the F6 ENTER KEY to acknowledge this weight.
  • Page 18 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 18 of 30 Code C83 – Calibration of unbalance measurement The following reading appears: Press the START KEY to start a measuring run.
  • Page 19 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 19 of 30 Code C83 – Calibration of unbalance measurement The following reading appears: Remove the 100 gm calibration weight from the left-hand plane of the test rotor and insert it into the...
  • Page 20 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 20 of 30 Code C83 – Calibration of unbalance measurement The following reading appears: Step no. 5 has no function yet. Press F6 ENTER KEY to continue...
  • Page 21 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 21 of 30 Code C83 – Calibration of unbalance measurement The following reading appears: The ambient transducer temperature is read out for 1 second.
  • Page 22 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 22 of 30 Code C83 – Calibration of unbalance measurement After the temperature compensation the following is displayed: After temperature measurement the following reading appears: Remove the 100 gm calibration weight from the test rotor. Press the START KEY in order to proceed...
  • Page 23 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 23 of 30 Code C83 – Calibration of unbalance measurement The following reading appears: Insert the calibration weight supplied with the machine at the left inner side of the adaptor flange. Press the START KEY.
  • Page 24 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 24 of 30 Code C83 – Calibration of unbalance measurement The following reading appears: Calibration is completed and must be stored by entering Code C90. Service and test functions become accessible by pressing and holding the F1 C-CODE KEY and...
  • Page 25 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 25 of 30 Compensating for the residual unbalance of the main shaft and the drive disc. Activate adjustment Code- C84 Remove the calibration rotor from the wheel adaptor The following reading appears: Close the wheel guard and start the extended measurement run by pressing the START KEY.
  • Page 26 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 26 of 30 Code C88 Adjustment of the angular unbalance position. The following reading appears: Clamp the test rotor on the main shaft, enter distance, 15“ diameter and 6.5“ width. Close the wheel guard and start the first measurement run by pressing the START KEY...
  • Page 27 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 27 of 30 Code C88 Adjustment of the angular unbalance position. The following reading appears: Attach a weight of 100 gm in one of the correction planes.. Carry out the second measurement run by pressing the START KEY...
  • Page 28 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 28 of 30 Code C88 Adjustment of the angular unbalance position. The following reading appears: Turn the wheel until the weight is exactly vertical below the main shaft. The correction value will follow the rotation of the main shaft within the premissible range of +/- 7 incrementsof the position counter, i.e.
  • Page 29 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 29 of 30 Code C88 Adjustment of the angular unbalance position. The following reading appears: Calibration is completed and must be stored by entering Code C90. Service and test functions become accessible by pressing and holding the F1 C-CODE KEY and...
  • Page 30 Instructions for adjustment Datum 27.04.2005 geodyna 4801P Page 30 of 30 Code C90 Saving adjustment data The following reading appears: 1.) Press key F1 C – Codes and rotate the main shaft until Code C90 appears on the screen.. Press the precision key F 4 and rotate the main shaft until 1 appears on the screen .Press F6 ENTER...

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