7596040 – MANUALE WO-20 EN 21052018 REV.1
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6
EXTRAORDINARY MAINTENANCE TO BE DONE QUALIFIED PERSONNEL
PRECAUTIONS
The maintenance personnel must possess the following requisites, and know this manual and all the safety
information:
• General and technical culture at a level sufficient to understand the content of the manual.
• Knowledge of the main hygiene, accident prevention and technological standards.
• Overall knowledge of the machine as well as electrical and hydraulic problems that can be encountered at
the site where the machine is installed.
6.1
TASKS OF MAINTENANCE PERSONNEL
The extraordinary maintenance plan described in this paragraph must be done according to the time
indicated to keep the machine functioning efficient and to guarantee the quality of the water treatment.
WARNING
The operations indicated below must be carried out periodically using only original spare
parts.
This maintenance must be documented in the appropriate space in the maintenance log
(see Annex III).
It is advisable to carry out an extraordinary maintenance at least once every 6 months
even if the limit of filter capacity has not been reached.
PART TO CONTROL
CONTROL
FREQUENCY
Machine
Visual inspection integrity and
conservation status
6 MONTHS or
WHEN YOU CHANGE FILTER
Cleanliness
Functional testing
Sanification
Expansion Tank pre-charge
Carbon block filter
Replecement when it’s indicaded on
display (see §6.2)
Expansion Tank
Check expansion tank function (see
§6.3)
Machine
Calibration check, clean conductivity
probe connectors
In chase of malfunction or
2000 working hours (*)
Membranes
Replacement
In case of high conductivity o
rreduction in flow exceeding
30% (*)
Vane pump and solenoid valve
Replacement
2000 working hours
(*)Special water conditions may require more frequent maintenance.
WARNING
DO NOT use corrosive products, acids, steel wool or wire brushes to clean the device.
DO NOT use low or high pressure jets of water when washing the device.