Corghi EM 7240 Manual De Uso página 103

FLANGE (of the wheel balancer)
Circular crown-shaped disk against which the disk of the wheel mounted on the wheel
balancer rests. Also used for keeping the wheel perfectly perpendicular to its rotation axis.
FLANGE (adapter - centring accessory)
Device for supporting and centring the wheel. Also used for keeping the wheel perfectly
perpendicular to its rotation axis.
Mounted on the shaft of the wheel balancer by means of the central bore.
RING NUT
Device for locking the wheel on the wheel balancer, fitted with elements for coupling with
the threaded hub and side pins for tightening it.
SPIN
Procedure starting from the action that causes the wheel to rotate and the subsequent
rotation of the wheel.
THREADED HUB
Threaded part of the shaft on which the ring nut is engaged to lock the wheel. It is sup-
plied disassembled from the machine.
UNBALANCE
Uneven distribution of the wheel mass that generates centrifugal forces during rotation.
SENSOR (measuring arm)
Mobile mechanical element that, when brought into contact with the rim in a specific
position, measures the geometric data: distance, diameter. Data can be measured auto-
matically if the sensor is equipped with suitable measurement transducers.
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EM 7240 Operator's manual 103