Bead Breaking - HPA-Faip M 424 Betriebs- Und Wartungsanleitung

DANGER
When working these wheels it is possible
to damage the tyre, the rim or both, with
the risk of the tyre exploding under pres-
sure causing serious injury or death. When
mounting tyres on this type of wheel, use
the utmost caution.
European style high performance whe-
els (asymmetrical curvature)
Some European wheels have very pro-
nounced curves on the rim edge, except in
the area of the valve hole. On this type of
wheel bead breaking must be performed
in correspondence with the valve hole and
on the lower and upper side of the wheel.
Fig.9b
A Valve hole
B Slight curvature
C Pronounced curvature
A
B
Wheels for Corvette, BMW, Lamborghini
and other wheels with "Low pressure
indicator system"
Some types of high performance wheels are
equipped with a pressure transmitter secured
to the rim with a belt on the side opposite the
valve hole. On this type of wheel bead break-
ing must be done initially in correspondence
with the valve hole, on both sides of the rim.
Fig.9c
A Valve hole
B Transmitter
C Attachment belt
M 424 - M 424 FS
- Fully deflate the tyre, removing the valve
- Adjust the position of the shovel throu-
gh the pin (1 fig. 10A) based on the size
of the tire.
EXTENSIBLE ARM
1
C
9b
A= STANDARD POSITION (50-280 mm)
B= LARGE WHEELS POSITION (130-260 mm)
- Position the wheel as shown in fig.11 and
bring the bead breaker shoe to the edge
of the rim.
IMPORTANT: During the bead breaking
A

Bead breaking

A
B
C
9c
B
10
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