Prefilters Maintenance; Carbon Filter Replacement - TECNICOMAR MINIMAR PLUS Instructions For The Installation, Use And Maintenance

7.1.4 Prefilters maintenance

The prefilters require maintenance when :

The watermaker shows alarm for low pressure.

The low-pressure is 30% lower than with new filter cartridges (0.8 ... 1 bar).

The high pressure pump makes a strange noise.

The system starts up, but shuts down after few seconds.

The operating pressure does not stabilize.
Use only Tecnicomar replacement cartridges. It is advisable to keep on board a stock of replacement
filter cartridges (see maintenance kit, par. 7.6).
The cartridge replacement procedure is given below:
Figure 8 - Prefilters
Figure 9 - Carbon filter
Instructions for the installation, use and maintenance of Tecnicomar watermaker

7.1.5 Carbon filter replacement

The activated carbon filter should be replaced at least once a year. Follow the steps given
in the previous paragraph.
 Shut down the unit and close the sea water
inlet.
 Unscrew the filter sump B (30 micron -
BLUE) using the special wrench supplied, until
they come off (fig.8). Hold the sump from the
lower part.
 Empty the sump and take out the filter
cartridge (part 1).
 Clean the sump inside. USE NEUTRAL
DETERGENTS (PH=7)
DAMAGE TO THE SUMP.
 Replace the filter cartridge and make sure
that the O-ring (part 3) is well setted and
lubricated (use silicon grease).
 Reinstall the cup tightening it manually. DO
NOT USE THE
TIGHTENING !
 Use the same steps for the C filter (5 micron
-IVORY).
 To restart the system follow the same steps
of First start up procedure.
TO PREVENT
WRENCH FOR
7-25