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Wheel data acquisition
Geometric data relating to the actual balancing planes rather than the rated wheel
data (as in standard ALU programs) have to be set. The balancing planes where the
adhesive weights are to be applied may be selected by the user according to the
specific shape of the rim. However, bear in mind that it is always preferable to select
balancing planes as far apart as possible in order to reduce the quantity of the weight
to be applied; if the distance between the two planes is less than 37 mm (1.5"), the
"A 5" message is displayed.
In the version with digital sensor, proceed as follows:
- Move the end of the automatic measuring arm in line with the plane selected for the
application of the inner weight. In ALU 1P = EASY ALU1, the centre of the pawl on the
end section of the lever is taken as a reference for the centre line of the weight (ver-
sion without the weight holding device). In versions with the weight holding device,
the centre line of the weight must correspond with the centre of the groove in which
the weight will be placed (Fig. 13/13a).
- In ALU 2P = EASY ALU2 refer to the rim edge, since the inner weight is of the tradi-
tional clip type (fig.10/10a).
Pay maximum attention when the end of the arm is being positioned in an area of
the rim free of discontinuity, so that the weight can be applied in that position.
- Keep the arm in position. After two seconds the machine emits an acoustic confirma-
tion signal to indicate that the distance and diameter values have been acquired.
- Move the end of the automatic measuring arm in correspondence with the plane
selected for the application of the outside balancing weight (Fig. 14/14a), in the
same manner as described previously for the inner side.
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Operator's manual MT 3100 - MT3200
13A
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