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14.9 Maintenance
The maintenance of the product includes the interventions (inspection, verification, control, adjustment and replacement)
that are necessary following normal use.
For a good maintenance:
•
Use only original spare parts, tools suitable for the purpose and in good condition.
•
Comply with the intervention frequencies indicated in the manual for scheduled maintenance (preventive and
periodic). The distance (indicated in time or in work cycles) between one intervention and the other is to be
understood as maximum acceptable; therefore, it must not be exceeded; it can be abbreviated instead.
•
Good preventive maintenance requires constant attention and continuous monitoring of the support. To verify
promptly the cause of any anomalies such as excessive noise, overheating, etc. .... and remedy them.
•
A timely removal of any causes of anomaly or malfunction avoids further damage to the equipment and ensures
operator safety.
The staff in charge of maintenance of the support must be well trained and must have a thorough background knowledge
of accident prevention regulations; unauthorized personnel must remain outside the work area during operations. Even the
support cleaning activities are carried out only and exclusively during maintenance and with the product de -energized.
The product maintenance operations are divided, from the operational point of view, into two main categories:
Ordinary maintenance
All those operations that the maintenance operator must carry out, in a preventive
manner, to guarantee the proper functioning of the support over time; the maintenance
ordinary includes inspection, control, adjustment, cleaning and lubrication.
Extraordinary maintenance
All those operations the maintenance technician must carry out when the product needs
it. Extraordinary maintenance includes the activities of revision, repair, restoration of
nominal or working conditions, replacement of a faulty, defective or worn unit.
14.9.1 Ordinary maintenance
Ordinary maintenance includes inspections, checks and interventions that keep an eye on:
•
General conditions of the product;
•
Power sources (electric);
•
Product cleaning.
The following table lists a series of checks and interventions to be performed and a recommended timing. The periodicity
of the ordinary maintenance operations indicated refer to normal operating conditions, that is to say responding to the
conditions of use envisaged.
OPERATION
FREQUENCY
Daily
Weekly
Monthly
Half yearly
Yearly
5 years
Bolts tightening control
X
Visual inspection of the
general condition of the
product
X
Filters check
X
Filters shaking, blowing
and washing
X
Fans
X
Filters can be washed up to 10 times. Inlet filters could require a higher level of maintenance.
