77
—
4. Handling
Before carrying out any operations, always make sure
that the operating mechanism springs are
discharged and that the apparatus is in the open
position. To lift and handle the circuit breaker,
proceed as follows (fig. 2):
• use a special lifting tool (1) (not supplied) fitted
with ropes with safety hooks (2);
• insert the hooks (2) in the special holes in the circuit
breaker frame and lift;
• on completion of the operation (and in any case
before putting into service) unhook the lifting tool.
During handling, take great care not to stress the
insulating parts and the terminals of the circuit
breaker.
Fig. 2
Fig. 3
The apparatus must not be handled by
putting lifting devices directly under
the apparatus itself. Should it be
necessary to use this technique, put the
circuit breaker onto a pallet or a sturdy
supporting surface (see fig. 3).
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