3 Press the
LED corresponding to the programme illu-
minates
.
- Press
Weights programme. If the user tries to
select this programme without previously
selecting an ALU P programme, the "A
26" message is displayed. If the wheel is
balanced on the outer side, the machine
displays the message shown in Fig. 16A.
Figure 16A Hidden Weights:
procedure error
If the wheel is unbalanced on the outer side
(Pe), the machine displays the message
shown in Fig. 16B.
Figure 16B Hidden Weights: selecting p1
weight position.
Press
at any time to exit the
"hidden weights" programme.
4 To facilitate this procedure, mark the Pe
imbalance position on the tyre. To do
this, move the wheel to a centred posi-
tion and make a chalk mark at 3 o'clock
if the "H3" configuration is active, at 6
o'clock if the "H6" configuration is active
and at 12 o'clock if the "H12" configura-
User manual S 63
keys until the
to enable the Hidden
tion is active.
5 Turn the wheel to the position in which
you wish to apply the first outer weight
(P1) and press
To select the exact position of the
weight P1 relative to the Pe unbalance,
use 3 o'clock as a reference if the "H3"
configuration is active, or 6 o'clock if the
"H6" configuration is active, or 12 o'clock
if the "H12" configuration is active.
The angle between P1 and Pe must be
less than 120°.
6 If the angle selected is greater than
120°, the machine displays the message
shown in Fig. 16A for approximately
3 seconds to indicate that another
position must be chosen. If the angle
selected is less than 120°, the machine
displays the message shown in Fig. 16C,
prompting the user to continue to the
next step.
Figure 16C Hidden Weights: selecting
position P2
7 Turn the wheel to the position in which
you wish to apply the second outer weight
(P2) and press
To select the exact position of the
weight P2 relative to the Pe unbalance,
use 3 o'clock as a reference if the "H3"
configuration is active, or 6 o'clock if the
"H6" configuration is active, or 12 o'clock
if the "H12" configuration is active.
The angle between P1 and P2 must be
less than 120° and must include the
outer weight Pe.
8 If the angle selected is greater than
120°, the machine displays Fig. 16D
to confirm.
to confirm.
63