9.3. INJECTOR CLEANING
If the device is penetrated by impurities as sand,
small pebbles or other deposits, they may block
the injector (an element of the softener responsi-
ble for sucking brine). If the softener is protected
with a sedimentation pre-filter, whereas the salt is
of good quality, the injector should not clog.
If, however, it is clogged, it shall be cleaned. Fig. E
shows a diagram of the injector. The elements most
vulnerable to clogging are marked with numbers
12 and 14. In order to clean the injector, water inlet
to the device shall be shut off. Successively, cold
water tap shall be opened to release pressure from
the system. Mounting bolts shall be unscrewed
(the location thereof is marked with number 16)
with a screwdriver. The injector shall then be dis-
connected from the control head. Mind the seals.
Elements 12 and 14 may be unscrewed gently with
a screwdriver. All parts can be cleaned with water
and then blown through. After drying, they shall be
assembled again and the injector can be installed
in a manner reverse to the instructions above.
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