Use and Maintenance Manual – VER. 2016-02
Page 25
Since it is not possible to automatically acquire the two planes with the Distance/Diameter sensor, you must manually enter the
two pairs of dimensions
di1/da1
and
di2/da2
as shown in chapter 15.3.2
Manual entering of the wheel dimensions for the
ALS1, ALS2 program types
.
After the spin, the angular position of the balancing weights is specified in table T16.6.
Table T16.6:
Angular position of the balancing weights in the ALS1 and ALS2 Program Types without automatic acquisition
system
Program Type
Internal Plane
External Plane
Static Plane
ALS1
H12
H6
H6
ALS2
H6
H6
H6
To find the position along the rim section, remove the Distance sensor until you read the manually-set distance value
di1
or
di2,
on the graduated scale. At that point, you must take note of the plane identified by the sensor and apply the weight in the angular
position shown in table T16.6. In the case of Program Type ALS1, the
di1
position always corresponds to the rim internal edge.
16.4.5 Use of the Program Types ALS1 or ALS2 without the preliminary acquisition of balancing planes
It is possible to perform a spin when any Program Type other than ALS1 or ALS2 is active, and then select the ALS1 or ALS2 Program
Type. The machine will calculate the imbalance values again according to the new Program Type selected.
In this case, however, the imbalance values displayed are obtained using the balancing planes (i.e. the two previously acquired
dimension pairs
di1/da1
and
di2/da2
) or, in the absence of the latter, by default.
17. HIDDEN WEIGHTS PROGRAM
This program divides the external weight W into two weights W1 and W2 (smaller than the initial external weight W) located in
either of two positions selected by the operator.
The two weights W1 and W2 must form a maximum angle of 120° including the external weight W, as shown in Picture F17.1.
Picture F17.1 Hidden Weights Program: valid and invalid conditions for use. In this example, the W external balancing weight is
marked at 12 o'clock (H12), but it can also be marked at 6 (H6) or 3 o'clock (H3): see text
Summary of Contents for VULTURE BP46
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