Corghi EM 9250 CompactLine Manuel D'utilisation page 87

which the tyre beads rest, which are obviously inside the rim. The values measured
are with reference to external planes and, as a result, are smaller than the nominal
values due to the thickness of the rim itself. The correction value therefore refers to
an average thickness of the rim. This means that the data measured on wheels with
different thicknesses may vary slightly (2 or 3 tenths of an inch maximum) from the
rated values. This is not a lack of accuracy of the measuring devices, but reflects reality.
If the automatic measuring arm fails to operate, the geometrical data can be entered in
manual mode by following the procedure indicated in the paragraph "entering wheel
dimensions - for models with manual inner sensors (distance and diameter)".
If the inner sensor (diameter and distance) fails to operate or
- Use the keypad to enter the wheel geometric data by following the procedure described
below:
- press the button
- measure the width of the rim using the calliper provided (Fig. 12)
- modify the width value (-b-) displayed by pressing the
desired value is set.
The displayed values can be increased or decreased quickly by keeping the keys
pressed.
The width can be set in millimetres by changing the setting of the unit of measurement
in the machine's set-up menu.
- press the key to confirm the previous value and set the machine for diameter
entry (-d-)
- read the rated rim diameter value on the tyre
EM 9250 CompactLine Operator's manual
with the inner manual sensor
UK
keys until the
87