John Bean b 9200 Manuel D'utilisation page 58

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58
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5.4.1-2
Operation
•
Clamp the wheel.
•
Position the valve exactly perpendicular to and
above the main shaft.
•
Press the PRO-MATCH key (2) to acquire the valve
position.
OP.4 appears.
•
Perform the run.
The measuring run is carried out. After the measuring
run two readings are possible:
OP.5 - H1
Further optimisation is not recommended, but possible.
OP.5 – Reference mark
Continue with the OP program.
Reading OP.5 - H1
If OP.5 - H1 appears, further optimisation is not
recommended, since the measurement values used to
assess whether or not optimisation is recommendation
are below the limit value. However, it is possible to
continue optimisation for the most silent possible wheel
running, reducing imbalances below the limit value
(vehicles with problems).
To continue optimisation
- To continue with the OP program proceed as specified
for OP.5 – Reference mark (see next page).
To abort optimisation
- Press the STOP key to return to the balancing program
and balance the wheel according to the readings.
Reading OP.5 - Reference mark
- After the measuring run readjust the wheel following
the direction indicator and make a chalk mark on the
right side of the tyre exactly perpendicular to and above
the main shaft.
- Readjust the tyre on the rim so that the reference
mark made is aligned with the valve (use tyre changer).
- Clamp the wheel on the balancer and readjust it until
the valve is exactly perpendicular to the main shaft.
- Press the PRO-MATCH key to acquire the valve
position.
The OP.6 reading appears.
- Perform the run.
After the measuring run four readings are possible:
=== - OP.7
Proceed with the OP program. It is recommended that
the tyre be turned over on the rim.
OP.7 - ===
Proceed with the OP program. It is recommended that
the tyre be readjusted on the rim.
H0
Optimum condition has been achieved and cannot be
improved.
Operator's Manual b 9200