INSTRUCTION, USE AND
MAINTENANCE MANUAL
GB
Page 29 of 52
Weight application point outside
rim edge. FIRST MOVEMENT (ALU3)
The ALU4 function is a procedure that uses mixed
weights to offset wheel unbalance: weight with clip on
inner side of wheel, adhesive weight on outer side “at
12 o’ clock”.
Enter the measurements (see Par. 14.1) and proceed
as for dynamic unbalance.
Fixed LED wheel balancing mode
Weight application point outside
rim edge. FIRST MOVEMENT (ALU4)
Flashing LED measurement mode
PAX function is a procedure that permits balancing
PAX wheels using adhesive weights at pre-set distances
to offset wheel unbalance. Select the wheel type model
and proceed as described in Par. 14.4.2.
For ALU-S, STATIC, ALU1 and PAX functions, see
relevant paragraphs.
For all the other previously-indicated functions, wheel
balancing will be done as indicated for dynamic balanc-
ing (see Par. 14.3.3).
The wheel balancer will automatically correct the
measurements entered by the operator according to
the selected function.
14.4.1 ALU1 procedure
ALU1 balancing is a procedure that offsets wheel vi-
brations using 2 weights on different planes. Adhesive
weights are used on rim inner and outer edge, and is
usually carried out on alloy rims.
To launch an ALU1 measurement, proceed as follows:
- Make sure there are no stones and/or mud on the
wheel. Remove any counterweights. Fit the wheel and
make sure it is properly fastened (see Chap. 12.0).
- Press key to select the type of ALU1 correction
(see Par. 14.4).
- Determine wheel dimensions using the specific gauge
rod (Par. 14.1.1).
- Close the protection guard to perform the automatic
wheel spin.
In just a few seconds, the wheel runs at normal speed
and the display screens D1-D2 show wheel rotation.
After the spin, the wheel stops automatically, taking
into account the measured unbalance so that the fitting
position of the outer weight is around at “12 o' clock”.
Open the protection guard.
Display screens D1-D2 show the weight required to
correct the unbalance. The nearby LEDs show the
direction wheel has to be moved in to fit weights (see
Fig. 35).
LEDs showing positioning
in correct weight
fitting point
Total outer weight
Total inner weight
Fig. 35
To position wheel on the OUTER side, turn it in the
direction shown by the LEDs, until reaching the correct
position (see Par. 14.3.6).
Once correct position has been reached, press the
pedal brake to stop the wheel.
Fit the adhesive weight on wheel outer side (in the
example 25 g). The outer side weight must be posi-
tioned by hand on the vertical – “at 12 o’clock” (see
Fig. 36 ref. 1).
1297-M043-0
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