8 - PROPULSION SYSTEM255
Replacement of lter element
Replace the element according to the time intervals recommended by the
Manufacturer or if a power lack is noticed, which indicates namely that the
element is clogged.
As a rule when the pressure gauge detects Mercury in quantity between 6 and
10 inches, it is time to carry out maintenance.
• Close the valve.
• Remove the 3 screws Retention of the lter.
• Remove the lter by pulling downwards.
• Replace the lter element with a new one suitable and original having the
same ltering properties of the one being replaced.
• Replace the cover seal with that part of the new element. Apply a layer of
clean fuel or engine oil on the gasket before reinstalling.
• Fill the device with clean fuel, then place the lter below the respective
support.
• Strictly tighten the three screws.
• Open the valve.
• Start the engine and ensure there are no leaks. Repair any leaks with
engine shut off.
Troubleshooting procedure
The main reason for a poor start-up or lack of power is the result of a clogged
lter or of an air leak in the fuel system. If the device does not trigger or does
not take the minimum, rst of all check the tightening of the lter and vent it if it
had not been closed properly. Then check all connections and lines and make
sure that no fuel line is clogged with contaminants.
If the fuel tank is equipped with an incorporated lter, check for its possible
clogging.
If the problem persists and the lter element is new, call RIVA.
CAUTION
The separators have to be checked at regular intervals as suggested by
manufacturer, so as not to impair the engines operation.
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