Corghi ET77 Betriebsanleitung Seite 88

The machine displays unsteady imbalance values.
The machine has been jolted during the spin.
➥ Repeat the spin, taking care not to disturb the machine while measuring is in
progress.
The machine is not soundly installed on the flooring.
➥ Check the installation and adjust the support feet, using shims if necessary.
The wheel is not properly clamped.
➥ Tighten the clamping ring-nut firmly.
Several spins are required in order to balance a wheel.
The machine has been jolted during the spin.
➥ Repeat the spin, taking care not to disturb the machine while measuring is in
progress.
The machine is not soundly installed on the flooring.
➥ Check the installation and adjust the support feet, using shims if necessary.
The wheel is not properly clamped.
➥ Tighten the clamping ring-nut firmly.
The machine is not correctly calibrated.
➥ Carry out the sensitivity calibration procedure.
The wheel data are not correct.
➥ Check that the data corresponds to the dimensions of the wheel and correct, if
necessary.
➥ Carry out the sensor calibration procedure.
WARNING
The "Spare parts" manual does not authorise the user to work on the machine
except for the operations specifically described in the operator's manual, but is
intended to enable the user to supply accurate information to the technical service,
in order to reduce intervention times.
88 ET 77 operator's manual