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20
U n i G e a r Z S 1 I N S T A L L A T I O N , O P E R A T I O N A N D M A I N T E N A N C E
After unpacking, lift the unit groups by means
of a crane (Fig. 18). Use the eyebolts (1.5) and
the ropes fitted with safety. After installation
of the panels, remove the eyebolts used for
lifting.
4.6.1.2 Handling by means of rollers
Lift the switchgear section by means of a bridge
or mobile crane or using jacks (Fig. 18); remove
the wooden pallet loosening the screws fixing it
to the switchgear section base. Put a sturdy metal
sheet between the rollers and the unit base and
place the switchgear on the sliding rollers.
4.6.1.3 Handling by means of transpallet or
To guarantee stability, the switchgear must not
be lifted too high. Check the levelness of the forks.
Sliding rollers
—
Figure 20 Handling by means of rollers
Warning
•
Only use rollers on a level floor
•
Move the switchgear section avoiding
any possible tilting
fork lift trucks
Warning
•
Only use transpallets or fork lift trucks
on a level floor
•
Move the switchgear section avoiding
any tilting
Metal sheet
—
Figure 21 Lifting switchgear packed in
a wooden crate
4.6.2 Apparatus
The apparatus can be handled by cranes, fork
lift trucks or using the truck provided by ABB.
For each piece of apparatus follow the
instructions below.
4.6.2.1 Handling by crane
Circuit-breakers
Hook the lifting bolts to the relevant supports.
While handling, pay the utmost attention not
to put any stress on the insulating parts or on
the circuit-breaker terminals.
Before putting into service, remove all the
lifting eyebolts.
4.6.2.2 Handling by fork-lift trucks
Handling by fork-lift trucks can be carried out
only after the apparatus has been positioned
on a sturdy support.
While handling, pay the utmost attention not
to put any stress on the insulating parts or on
the circuit-breaker terminals.
Warning
Do not insert the truck forks straight
underneath the apparatus but put the
apparatus on a sturdy support.
—
Figure 22 Switchgear handling
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