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Maintenance
The periodic maintenance operations are essential for the proper functioning of the
system and its duration in time. The below advices should be strictly followed.
Before any operation, make sure the system is unplugged!
Dosing Pumps
Weekly operations:
● Check the level of the solution to be dosed to prevent the pump from running
dry.
● Check that the suction and head pipes are clean and not containing any
impurities.
● Check that the filter is not clogged to avoid the decreasing of flow rate.
Operations every three months (or in case of pump drifting):
● Clean all the parts that come into contact with the chemical (pump body, foot
filter, and injection valve). If the pump doses additives that form crystals,
clean more frequently. Proceed as follows:
● Dip the suction tube and the foot filter into clean water.
● Start the pump and leave it running for a few minutes to let the water
wash the pump head.
● If there are crystals to remove, proceed as follows:
● First, use a proper chemical (instead of water) to dissolve the
● Repeat the procedure with clean water.
● Once the cleaning is done, connect the pump to the plant and resume
normal operations.
Extraordinary maintenance – Replacing the peristaltic tube:
1. Unscrew the two front screws and remove the transparent cover.
2. To remove the old tube, first release the left connector and then turn the
roller-holder as shown by the arrow in the figure to free the tube up to the right
connector.
crystals (e.g. hydrochloric acid for sodium hypochlorite crystals)
and let the pump work for a few minutes.
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