ET 66 - ET 66 M operator’s manual
WHEEL SPIN
- FOR ET 66 -
When the wheel is correctly clamped with the spinner the operator causes it to rotate
by applying force to the spinner knobs (fig.12).
Car wheels installed using the quick release flange and trilex type truck wheels fitted
with the special trilex flange are spun by first fitting the relevant spin handle over one
of the wheel nuts (fig.13).
The correct direction of rotation, observing the wheel from the spin position, is
clockwise. If the wheel is spun counter- clockwise the message “Rot Err” will be
displayed.
During spin acceleration the position indicators will illuminate progressively to inform
the operator that the wheel is approaching unbalance measurement speed; when the
speed is reached the unit will emit a beep.
Once balancing speed has been reached stop spinning the wheel and allow it to
coast so that the unbalance values can be read.
If the wheel is spinning too fast the message “Spd Hi” will be displayed and the
machine will start measurements only when the message disappears.
To ensure the maximum precision of results do not subject the machine to mechani-
cal stress while it is processing unbalance signals.
Wait for the beep that indicates the termination of measurement computations.
Brake the wheel using the brake lever (E, fig.4) located at the front of the machine.
Now clamp the wheel in the position indicated by the machine to facilitate the
application of weights.
Pull the lever to release the brake.
WARNING
To avoid the risk of clothing or fingers getting caught up in the spinner arms during
acceleration, move clear of the spin position as soon as you have released the spin
knob.
Special conditions
- If the machine acquires incorrect signals during the spin cycle the message “GO Err”
will be displayed indicating that the spin cycle must be repeated.
- If unbalance is greater than 1000 grams, the display will show only the part in excess
of the first kilogram with three decimal points. For example: 1250 g is shown .2.5.0
- If calculated unbalance values are greater than the maximum permitted (999 in CAR
mode and 1990 in TRUCK mode) the message “CCC” will be shown on the display.
- You can stop the spin during the data measurement stage by pressing
. In this
case the message “ALt” will appear on the display.
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