Before Installation - ITALVIBRAS GIORGIO SILINGARDI VU Serie Guia Tecnica

ENGLISH
SECTION 3
Handling and installation
–
3.0 HANDLING
The exciter may be supplied without packaging or palletised accor-
ding to its type and size.
To handle the unit, if palletised, use a forklift truck or lift truck.
If it is not packed exclusively use the rods or hoisting eye-bolts.
When handling the unit avoid blows or vibrations to prevent
damage to the rolling bearings.
To hook and lift the exciters use only the coupling bracket in the
body of the exciter.
To hook and lift the exciters never use the eccentric weights, the
shafts or the weight covers.
Be aware of the exciter weight indicated in the plate, the han-
dling and lifting equipments have to be dimensioned for this
weight.
For the exciter weights see also pages 35-37.
The linear motion exciter has to be exclusively leaned by the fixing
feet.

3.1 BEFORE INSTALLATION

Before installation, if the exciter has been stored for a long period of
time, check by hands that both shafts turn freely.
If anomalies result from the control, the vibrator must be sent to an
ITALVIBRAS Assistance Centre or to ITALVIBRAS itself, for resto-
ration of efficiency.
The exciters are supplied without lubricant oil. DON'T introduce
oil before the exciter has been mounted on the vibrating machine
in the final position.
3.2 INSTALLATION
The exciters cannot be driven till they have been filled with
lubricant oil.
The exciters can be assembled only with the shafts in horizontal
position.
The exciter must be fixed to a perfectly flat surface using bolts (quality
8.8 - DIN 931-933) and nuts (quality 8.8 - DIN 934) which are able to
support high coupling torques. Use a dynamometric wrench adjusted
according to that stated in the "Coupling torque" table on page 34.
The diameter of the bolt, on the basis of the type of exciter to install,
must correspond to that indicated in the table on page 33-34.
It is also necessary to control that the bolts are tightened fully home.
This control is particularly necessary during the initial functioning
period.
The exciter fixing bolts have to be tightened at the following tor-
ques:
Vite 8.8 Coppia di serraggio
M20
M24
M27
M30
M36
Remember that most damage and faults are due to irregular
fixing or badly performed tightening.
Re-control tightening after a brief functioning period, about 50
hours.
We recommend subsequent checks every 1000 hours.
Nm
380
710
890
1150
1900 1370
ATTENTION: the use of not suitable bolts and nuts or the not
correct tightening can determine the exciter fall and heavy da-
mages to the vibrating machine and to the people health.
It is advised to fix the installed exciter to a steel safety cable, with
opportune diameter and a length that will support the vibrator in the
case of its accidental detachment. Max. fall of 15 cm (6").
Attention: Do not carry out welding to the structure with the
exciter mounted and connected. Welding could cause damage
to the bearings.
When the exciter is definitively fixed on the vibrating machine it's
necessary to move the breather plug with valve in the suitable
position indicated in the figures 1, 2, 3, 4, 5 in page 38, based
on the exciter position respect to the horizontal.
For 180° position (fig.3 page 38) it's necessary to place the glass
plug in one of the D points.
Only after positioning the breather plug with valve in the correct
position, and the glass plug only in case of 180° exciter position,
it's possible to introduce lubricant oil.
Exciters are supplied without lubricant oil. So for a new exciter,
for the first oil filling follow the indication in paragraph 5.0.
Remember to allow the exciters to function for brief periods of
time during set-up. This prevents damage to the exciters and
structure in the case of anomalies.
SECTION 4 –
4.0 ADJUSTMENT OF THE STATIC MOMENT
WARNING: This operation must be carried out exclusively by
specialised staff and with the drive motor with the power supply
disconnected.
- To adjust the exciter force it's necessary to remove the weight
covers.
- Each eccentric weight can be equipped with additional weights in
lead or steel.
WARNING: At the end of exciter life, the exciter and all its parts
have to be disposed separately from the other general waste
and it has to be disposed following the regulations and laws
envisioned in the country of use.
- Look at the tables in pages 35-37 for the different static moment
values depending by the additional weights assembled on each
exciter type. The user has to determine the static moment he needs
for the vibrating machine and than obtain this value by a certain
ft-lbs
configuration with the additional weights.
275
513
- Additional weights have to be always mounted in a symmetrical
645
position respect to the middle line of the weights. All 4 eccentric
830
weights of one exciter have to be assembled with the same
number+type of additional weights.
ATTENTION: If on a vibrating machine exciters in series are
installed, all exciters need to have the same static moment, so
the same weight configuration and additional weights.
Following customer request the exciter can be supplied with or
without additional weights.
10
ENGLISH
Exciter force adjustment