John Bean b 9200 Manuel D'utilisation page 56

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5.4.1-2
Operation
•
Before optimisation check that the rim dimensions
have been set correctly.
You cannot correct the data later.
•
Demount the tyre and clamp only the rim for the
compensation run.
•
Press the PRO-MATCH key (2).
The OP.1 reading appears.
•
Turn the rim so that the valve is exactly perpendicular
to and above the main shaft.
•
Press the PRO-MATCH key (2) to acquire the valve
position.
The OP.2 reading appears.
Repeat the operation to correct an incorrect valve
position entry.
An incorrect valve position entry can be corrected
afterwards.
Weight minimisation
If no optimisation, but only weight minimisation (i.e.
without compensation run for the rim without tyre),
proceed as follows:
- Clamp the complete wheel (rim and tyre).
- Press F (1) + PRO-MATCH (2) if minimisation is
started separately from optimisation.
The OP.1 reading appears.
- Press the F key (1) to activate the weight minimisation
program.
The Un.3 reading appears. Run the minimisation
program.
- With program OP.2 the rim compensation run can
still be omitted. Go to the next step in the program by
pressing the F key (1).
The Un.4 reading appears. Continue the minimisation
program.
The valve position entered with OP.1 is automatically
used.
Continuing balancing optimisation
- Perform the rim compensation run without the tyre.
After the measuring run the OP.3 reading appears.
- Mount the tyre and inflate correctly (see note below).
Note: For mounting and demounting (tyre changer)
and tyre turning or readjustment on the rim,
always apply a sufficient amount of tyre
lubricant on the tyre beads and the rim
edges and shoulders. Each time the
position of the tyre is changed on the rim,
inflate the tyre to overpressure (approx. 3.5
bar) then deflate to correct tyre pressure.
Make sure the centring line is correctly positioned on
the tyre bead.
Operator's Manual b 9200