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9 Manually turn the wheel, the two unbalance values calculated are displayed in alter-
nation on the display regarding the outer side as the angular position of the wheel
changes.
10 The application of either of the two balancing weights is done as described in the
"ALU 1P = EASY ALU1, ALU 2P = EASY ALU2 Programmes" chapter.
11 Once the Hidden Weights programme procedure is complete, you may continue
working with any other programme.
The HIDDEN WEIGHT function is combined with the MOBILE PLANES function to allow
balancing weights which are multiples of 5 grams to be used.
The standard ALU programmes allow for the various modes of application of the weights
(Fig. 15) and supply correct unbalance values maintaining the settings of the rated
geometric alloy wheel data.
- Press the
illuminates;
- press the
programme (the corresponding balancing planes are highlighted on the rim shown
on the display);
- set the rated geometric data.
If the values of the diameter and of the distance between the balancing planes, re-
calculated on a statistical basis starting from the rated geometric data of the wheel,
exceed the normally accepted interval stated in the TECHNICAL DATA section, the "A
Alu" message is displayed.
- Proceed as described for dynamic balancing.
- For the application of the balancing weights, refer to the paragraph "SELECTION OF
ADHESIVE WEIGHTS APPLICATION POSITION".
IMPORTANT: in ALU1 and ALU2 programmes the unbalance displayed by the machine
on the outer side refers to the adhesive weight centre of gravity at the shaft assembly
bearing flange, see figure 16e.
88
s
alu
tandard
prograMMes
and keys until the LED corresponding to the ALU programme
key as often as necessary to confirm selection of the desired Alu
16d
(alu 1, 2, 3, 4, 5)
Operator's manual MT 3100 - MT3200
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