en
48 | SBMV955 | Maintenance
11.4
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
SBMV955 in the following sequence:
1. Flange calibration.
2. Vernier caliper calibration.
3. SBMV955 calibration.
4. Perform reference measurement.
11.4.1
Call-up of calibration menu
1. The menu is called up from the main page with <F5>
and then <F2>.
2. Enter the password: <F2> <F5> <F3>.
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The calibration menu is displayed.
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Press <F1> to exit from the calibration menu.
11.4.2
Flange unbalance correction
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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. Start flange calibration in the calibration menu.
Press <F2> and <OK>.
3. Close the wheel guard.
« Measurement commences.
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Flange calibration completed.
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Unbalance set to "0".
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11.4.3
Calibrating the SBMV955
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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
condition to the flange.
2. Press <F3> and <OK>.
« Calibration is started.
3. Enter the wheel data and confirm with <OK>.
4. Press <START>.
« Measurement commences.
5. Enter any balance weight between 40 g and 120 g
and confirm with <OK>.
6. Attach a balance weight of the value entered to the
inner side of the wheel.
7. Press <START>.
« Measurement commences.
8. Turn the wheel until the balance weight is in the
12 o'clock position.
9. Remove the balance weight from the inner side
of the wheel and attach it to the outer side
(12 o'clock).
10. Press <START>.
« Measurement commences.
11. Turn the wheel such that the weight is in the
6 o'clock position.
12. Press <OK>.
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This completes calibration.
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The calibration made is permanently stored
automatically.
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