30
EEWB330B
Un.7 - II
Proceed
with
the UN program.
It is recommended that
the tire be readjusted on the rim.
H0
The optimum minimization condition has been achieved
and cannot be improved.
Depending on the readings, there are several
possibilities for proceeding with the program. These
possibilities are described below.
Reading II - Un.7
Turn the tire over
on the rim (the left display bars are
rotating).
Option 1: Turn the tire over on the rim
(normal program)
• Readjust the wheel according to the left direction
indicator and make a double mark on the left side
of the tire exactly perpendicular to and above the
main shaft (Fig. 5-36).
• Remove the wheel from the machine.
• Turn the tire over on the rim and readjust until the
double mark coincides with the valve (Fig. 5-37).
• Clamp the wheel on the balancer and readjust it so
that the valve is exactly perpendicular to and above
the main shaft.
• Press the ENTER key (1) to acquire the valve
position.
Reading Un.8 appears (Fig. 5-34).
• Spin the wheel (START) (check run).
If we
ight minimization was carried out correctly
(according to the program cycle), after the check run
the machine automatically returns to the type of weight
positioning previously selected and indicates the
residual dynamic imbalance on the wheel.
• Balance the wheel according to the readings.
Both weight minimization and balancing are accomplished.
Message E9
Message E9 means that at least one error occurred
during the minimization cycle. Press the STOP key (5) to
exit the minimization program and repeat minimization
if necessary.
Option 2: Do not turn the tire over on the rim
• Press the FINE key (3).
The result is recalculated.
Reading Un.7 - II or H0 appears
Option 3:
• Press the STOP k
ey (5) to exit the minimization
program and return to the balancing program
The imbalance on the wheel is shown on the readout.
• Balance the wheel according to the readings.
5-32
1
2
3
4
5
5-37
5-38
A B
5-34
5-39
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