Calibration; 43 9.1 Standard Calibration; 43 9.1.1 Call-Up Of Calibration Menu; 43 9.1.2 Flange Calibration - Bosch WBE 4120 Instructions De Réparation

en 58 | WBE 4120 / WBE 4120 D / WBE 4120 DT | Calibration
9.

Calibration

9.1 Standard Calibration
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As part of service and upkeep (every six months),
on flange replacement or in the event of measure-
ment inaccuracies, it is advisable to calibrate the
WBE 4120 / WBE 4120 D / WBE 4120 DT in the
following sequence:
1. Flange calibration.
2. Calibrate the electronic vernier caliper.
3. Vernier caliper calibration.
4. WBE 4120 / WBE 4120 D / WBE 4120 DT calibration.
5. Perform reference measurement.
9.1.1 Call-up of calibration menu
1. Call up the "Settings and service" menu.
2. Enter the password: <r> <r> <o>.
"
The calibration menu is displayed.
Calibration with "Go" wheel
Flange calibration
Return to main page.
Electronic vernier caliper and Angular width gauge cali-
bration
9.1.2 Flange calibration
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Follow the instructions shown on the monitor.
1. Fit the flange (refer to Section 5).
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Do not clamp the wheel, do not use any clamping
tools.
2. Select flange calibration and confirm with < I >.
« Calibration is started.
3. Close the wheel guard.
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« Measurement commences.
"
Flange calibration completed.
"
Unbalance set to "0".
9.1.3 Calibration of electronic vernier
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Follow the instructions shown on the monitor.
Calibration of the electronic slide calliper/ angular
width gauge without external gauge
1. Select calibration of the slide calliper and the angu-
lar width gauge and confirm using < I >.
2. Move the distance cursor to standby position and
press < I >.
3. Move the distance reading cursor to 0 mm. Set the
value read and press < I >.
4. Move the distance reading cursor to 200 mm. Set
the value read and press < I >.
5. Assemble a 14'' or 15'' steel sample wheel. Set the
value read and press < I >.
6. Set the wheel measurements and, with the distance
reading cursor resting on the wheel itself, press < I >.
"
Procedure completed.
9.1.4 Calibration of
WBE 4120 / WBE 4120 D / WBE 4120 DT
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Follow the instructions shown on the monitor.
1. Attach a motor vehicle wheel of medium size (e.g.
width 5.5", diameter 14") and in very good condi-
tion to the flange.
2. Select WBE 4120 / WBE 4120 D / WBE 4120 DT cali-
bration and confirm with < I >.
« Calibration is started.
3. Enter the rim data and confirm with < I >.
4. Press < I >.
« Measurement commences.
5. Enter any balance weight between 40 g and 120 g
and confirm with < I >.
6. Attach a balance weight of the value entered to the
inner side of the wheel.
7. Press < I >.
« Measurement commences.
Bosch Automotive Service Solutions GmbH
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