DURAVAC PRO30L Gebruikershandleiding - Pagina 10
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PRO30L & PRO31M
NOTHING IS TOUGHER
5. FILTER CLEANING
The machine can optionally be equipped with a semi automatic filter cleaning system or fully automatic
filter cleaning system.
5.1 MANUAL FILTER CLEANING
When sucking fine dust the filter will eventually get clogged and suction will go down. The filter
therefore needs to be cleaned to restore suction. If the machine is not equipped with semi- or fully
automatic filter cleaning system (see next chapters), the filter can be cleaned in the following manual
way. Turn the knob (A) and remove the knob from the filter disc (B). Remove the filter (C). Clean the
filter under cold water (D). Let is dry (E) until completely dry. Install backwards by adding filter (F). Fixing
the filter disc (G) and securing it with the knob (H).
FIG. 14
5.2 SEMI AUTOMATIC FILTER CLEANING (OPTIONAL)
FIG. 15
When the machine is equipped with the semi automatic filter
cleaning system, the filter can be cleaned by closing the inlet of the
handtube (A). However, first turn the machine to max. power if
equipped with power control (see figure 10). Close the inlet which
can be done with your hand or the receptable/hole in the machine
(B) can be used. After closing the inlet wait 2-3 seconds until the
maximum underpressure has been built up. Press the filter cleaning
button (C) 5 times fast after each other. This action will clean the
filter and restore suction performance.
5.3 FULLY AUTOMATIC FILTER CLEANING (OPTIONAL)
The fully automatic filter cleaning system cleans the filter automatically approx. every 20 seconds. The
filter cleaning takes less than a second and a very little interruption of the suction performance takes
place during the filter cleaning. A small "bang" can be heard. The automatic filter cleaning system works
best, when the underpressure in the machine is high. If filter for some reason should be clogged and
suction is low then turn the machine to max. power (if configured with power controller) then close the
inlet of the machine and wait until a small "bang" can be heard. The filter will then be cleaned and
suction restored.
10.