32
4-16
4-17
1
2
3
4
5
4-17b
4-18
Layout
4.3 Main shaft lock
Fig. 4-16 Pedal of main shaft lock
The main shaft is locked when the pedal is depressed.
This facilitates tightening or untightening of the
clamping nut and retains the wheel in the correction
position for correct ! tting of the balance weights.
Note:
This lock is designed only to facilitate orientation
of the wheel and must not be used for braking the
main shaft.
Note:
On wheel balancers equipped with the quick–acting
Power Clamp system: The pedal also controls
the Power Clamp, for clamping the wheel on the
balancer.
— Lift the pedal so as to clamp or unclamp the wheel.
— Depress the pedal to actuate the main shaft lock,
thus locating the main shaft.
4.4 Gauge arms
Fig. 4-17 Gauge arm for distance and rim diameter
1 Ga
uge arm, can be extended and hinged upwards
2 Weight holder to locate the adhesive weight both
for identi! cation of subsequent ! tting position and
for actual ! tting of the balance weight
3 Adhesive weight held in weight holder
4 Gauge head to identify rim dimensions on a
variety of rim pro! les
5 Spring-suspended applicator.
4.5 Ultrasonic detector
On the outer side of the rim the machine has an
ultrasound detector for the wheel width (outside of
rim) (Fig. 4-17b).
The sonar has a tolerance of +/- 0.5’’.
Such error does not jeopardise the accuracy of the
balancing procedure
4.6 Laser Pointer
Figura 4-18
The
machine uses
the Laser Pointer to indicate the
precise point for ! tting the adhesive weights on the
rim (F 5.8).
Note:
If the machine is set in Gauge arm mode as default, the
Laser Pointer mode can be activated by calling service.
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