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USE AND MAINTENANCE MANUAL - ELECTRICAL EQUIPMENT
4
4
.
.
3
3
P
P
R
R
E
E
V
V
E
E
N
N
T
T
I
I
V
V
E
E
The applicable law that sets the general measures to protect the health and safety of workers, prescribes that
regular maintenance is to be performed in the environment, on equipment and machines/systems, with particular
attention paid to the safety devices, in compliance with the manufacturer's instructions.
Varisco SpA plans the installation according to the service to be provided, in accordance with the requirements
imposed by the equipment and identified together with the Customer. Functionality, efficiency and safety must be
maintained over time by complying with a process whereby the prescribed verifications, continuous monitoring and
predictive maintenance are to be implemented. For correct and punctual maintenance to be performed,
Varisco SpA provides the Customer with the tables below that define the methods to be applied and the details of
maintenance types and frequency.
Preventive and service checks must only be performed by qualified personnel,
Description of operation
Visual inspection of the control panel and the
devices within (cleaning, no obstructions that
reduce ventilation efficiency, no damage,
foreign bodies or material, mould or insects)
Check of the input voltage
Check the current absorption of the main
loads
Check of the triggered circuit breakers
Verification of the terminal blocks and general
tightening of the connections
Signal lamps: verification of their integrity
Measuring devices and displays: verification
of correct operation
Fuses: verification of their size, integrity and
wear (change in colour) in the contact points
Electrical protections: verification of the
calibration and operating status
Contactors: check for vibrations
Contactors: verification of the operating status
and efficiency of the fixed and mobile contacts
Auxiliary transformers: check of the voltage
Auxiliary transformers: verification of the
terminal
block
and
connections
Ed. 2010/09 - Rev. 00 - Cod. M08527
A
A
N
N
D
D
S
S
E
E
R
R
V
V
I
I
C
C
E
E
C
C
H
H
E
E
C
C
authorised to carry out electrical work!
ELECTRIC CABINET / COMMAND DESK
tightening
of
the
K
K
S
S
WARNING!
Machine status / precautions
Isolation for maintenance
Controls engaged
Controls engaged
Isolation for maintenance
Isolation for maintenance
Main switch in the "I" position
Controls engaged
Isolation for maintenance
Controls engaged
Controls engaged
Isolation for maintenance
Main switch in the "I" position
Isolation for maintenance
17/24
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