May 2022
Installation, Operation and Maintenance Manual
VCIOM-01496-EN Rev. 0
16
Special Maintenance
Section 9: Special Maintenance
Section 9: Special Maintenance
!
WARNING
The maintenance and any repair works must be carried out by personnel specifically
qualified and fully trained for works in hazardous areas.
9.1
Periodic Inspections
A.
Frequency of inspection may depend form the installation and working conditions;
in general, at least one inspection every two years is recommended.
B.
Inspect the Electrical Actuator with particular attention to electrical
enclosures conditions.
!
WARNING
Any damage or breaking found on the enclosures, lack of screws fixing the covers or loosen
screws must require an immediate maintenance action.
C.
Keep the external surface clean: if the Electrical Actuators are installed in a dusty
environment the specification stated in IEC 61241-14 be followed ensuring in
particular that the dust layer does not exceed 5 mm.
D.
Check the condition of cable connection and mounting bolts: any loose
connection must be amended.
9.2
Repairs of Intrinsically-Safe Parts
!
WARNING
In case the maintenance should require the replacement of any component which forms
part of the Local Control Panel only an original spare provided by
Biffi
MUST be used.
Direct repair or reconstruction of the above components are not permitted without the
Biffi
permission. Not performing this procedure will invalidate the product safety and
contractual guarantee.
Original spare parts must be required to
Biffi
: to ensure that right spare is provided, serial
number printed on the Electric Actuator label MUST be specified when spares are ordered.
