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6.4.3 UNBALANCE OPTIMIZATION (OPT)
This function is used to determine the best mating of tire and rim that will result in the least amount of
total unbalance of the wheel. It severs to reduce the amount of weight to be added in order to balance
the wheel. It is suitable for static unbalance exceeding 30g and for improving the residual eccentricity
of the tire.
To start OPT function, select and press SELECTOR. Proceed following the diagram (fig. 30).
x
Rotate the wheel to move the tire valve to the 12
o
’
clock position.
x
Mark with chalk a reference point on the same
position of the tire.
x
Press SELECTOR to memorize the position.
x
Remove the wheel from the balancer.
x
Remove the tire from the rim with the aid of a
tire changer.
x
Only mount the rim on the balancer.
x
Rotate the rim to move the tire valve to 12
o
’
clock position.
x
Press SELECTOR to memorize the position.
x
Start a spin.
x
After the spin is performed, rotate the rim until
the red dot moves to the 12 o
’
clock position.
x
Mark with chalk a reference point on the rim at
12 o
’
clock position.
x
Remove the rim from the balancer.
x
With the aid of the tire changer, refit the wheel
with the reference marks coinciding between the
rim and tire in order to obtain the optimization.
The readings shown on the screen are the
optimized value.
.
Fig. 29
Fig. 31
Fig. 30
Fig. 32
Summary of Contents for WB55
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