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JohnBean B 300 Manuel D'utilisation page 88

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88
Trouble shooting
Gauge arm inputs differ from wheel dimensions
stated on rim or tyre.
1. Did you position the Arm correctly?
F
Refer to (
5.6.1).
2. Check the offset input of the arm by entering the
value manually.
Refer to the scale on the gauge.
If not identical, proceed with step 4.
3. Check the diameter on the spot on the rim where
the diameter has been measured.
If not identical, proceed with step 4.
4. Calibration is required.
Have the gauge calibrated.
Balancing results are unreliable.
1. The balancer may not be installed properly.
• Make sure the unit rests on its 3 feet only.
• Make sure the fl oor is not transmitting shocks or
vibrations for example from trucks passing close
to the unit.
2. The wheel may be mounted incorrectly.
• Check stub shaft, cones and adapters clearance.
• Use appropriate spacers to eliminate play.
• Perform measuring unit calibration.
3. The electronic system may be faulty.
• Call technical service team.
A mode or indication is continuously shown on
the screen.
1. A power dip may have occurred.
• Switch off the unit.
• Wait for 20 seconds and switch the unit back on.
• Call technical service team.
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