ITALVIBRAS GIORGIO SILINGARDI MICRO M3/20, Technical Handbook, Page: 17 / 84

1
ENGLISH
When the electric rotary vibrators are installed in pairs , it is important to ensure that
each one has its own external protection against overloads and that these protections
are interlocked together. Should one vibrator accidentally stop, power supply to both
machines would be inhibited at the same time to prevent damage to the equipment
to which they are connected (pages -).
Check that the current draw does not exceed the nameplate value.
If this is not the case:
- Check that the flexible system and structural elements comply with the current use
requirements.
- Reduce the vibration force by adjusting the weights until the absorbed current value
returns within nameplate values.
Remember to operate the electric rotary vibrator for short periods during set-
up in order to prevent damage to both the vibrator itself and to the structure in
the event of faults.
The vibrator must always be started/stopped by setting the power switch to the ON/
OFF position respectively.
3.1 REGULATING THE VIBRATION INTENSITY
- Remove the weight covers (n°, pages 0-1).
- Unscrew the nuts at the shaft ends (n°, pages 0-1).
- In both sides rotate for 10° a certain number of weights, the number of rotated
weights determines the resulting centrifugal force, each rotated weight nullify the
centrifugal force of two weights (see page ).
- For more accurate adjustment the user must remove the weights (the same quantity
in the two sides) and replace with washers of the same thickness (see page ).
- Tighten the nuts and reassemble the weights covers, checking that the seals (n°,
pages 0-1) are on good conditions and have correctly fitted into their housings.
3.2 MAINTENANCE
The vibrators need no particular maintenance.