SELMI Demoulding, User And Service Manual

Page: 32 / 54

DEMOULDING
28
6.6. Maintenance of electrical system
Attention
Before taking any action on electrical
components disconnect the machine from the
mains.
Always carefully check the isolating covers, the
clamps and the grip of the sheaths;
seal gaskets
cannot guarantee the IP level of protection declared
by the manufacturer if they are not correctly
positioned or if they are damaged.
Replace sheaths and cables if their isolating covers
are ruined or damaged.
Check and restore, if necessary, the identification
labels and stickers of the wires and of the
components keeping to the indications shown in the
electrical diagrams.
Make sure that the identification plate of the electric
panel and the adhesive electric hazard plaque are
perfectly legible and firmly attached; otherwise
replace them by requesting new ones from the
manufacturer.
The replacement of faulty control components must
always be carried out according to the norms in
force,
using components with technical
characteristics complying with those of the
components that need to be replaced.
Use exclusively original SELMI spare
parts
The
manufacturer will take no
responsibility for accidents or damages
in the case o fuse of non-original spare
parts.
6.6.1 Disconnection and reconnection of the motor
If the motor needs to be replaced an electrical
technician will need to intervene. He will firstly have
to disconnect the damaged motor and then connect
the new motor.
Follow these steps to disconnect the motor:
1) Remove the lateral fixed protective panels
following the instructions given in section 6.5.1
2) Remove the screws of the connection terminal
protective box
3) Disconnect the wires paying attention to the
terminal each wire is connected to. You will need
to remember this when you come to reconnect
the wires
4) Free the cable from the cable holder that holds it
to the motor and pull it out
Attention
Never connect the power supply when one or
more of the electrical components of the
machine are disconnected and the conductors
are not correctly isolated.
To connect the new motor follow these steps:
1) Make sure that the electrical characteristics of
the new motor are compatible with the original
one’s
2) Unscrew the protective box of the connection
terminal
3) Reinstate the motor power cable into the
appropriate cable holder
4) Tighten the cable holder until it has a good grip of
the cable, paying attention not to use too much
force, as there is danger of damaging the cable
or the cable holder
5) Reconnect the wires into the connection terminal
6) Remount the protective box of the connection
terminal and fix it in place with the screws.