15
EN
5.2. MAINTENANCE PRESCRIPTIONS
PROTECTIONS REMOVAL AND/OR PROTECTION DEVICES
For any interventions described in the present
chapter, it is necessary to remove from their posi-
tion some fixed protections.
The removal can happen only from the mainte-
nance man.
At the end of the interventions, these protections
must be replaced and blocked in their original po-
sition, with the fastening systems which were fore-
seen before the intervention.
The maintenance responsible must disconnect
completely the machine, as here follow reported,
before to proceed with the removal of a fixed pro-
tection and/or with the element change.
5.3. INSULATION FROM THE EXTERNAL FEEDING SOURCES
Before to perform any operation of
maintenance,
cleaning and parts change
, the external feeding
sources must be sectioned and insulated.
Position on “zero” the protection device placed
upstream of the electric equipment feeding line.
Disconnect the general sectioning device and pro-
vide to protect the plug with proper systems
5.4. BREAKS OR DAMAGES RESEARCH AND MOVING ELEMENTS UNBLOCKING
Here follow are indicate the interventions for the
breaks or damages research and moving ele-
ments unblocking which can be performed from
maintenance men.
TYPE
POTENTIAL CAUSE/S
MODALITY AND COMPARISONS
Net voltage lacking
General Black out
Contact the electric energy
distributor
Fuses or magneto thermals
intervention place upstream of the
machine feeding line
After having eliminated the causes
that have determined the protection
device intervention, restore it. In
case of problem persistency contact
an electrician technician.
