SECTION V MAINTENANCE
Proceed in the following manner:
– Turn the key to no. 1 so as to start of the electrically-controlled fuel
feeding pump.
– Loosen the fuel filter drain screw (2) so that fuel with air bubbles flows
out.
– Tighten the drain screw once again as soon as the fuel flowing out is
free of air bubbles.
– Repeat the same procedure with the other fuel filter drain valve and
with the injection pump drain valve, always following the directions
indicated above.
Before loosening another screw always tighten the previously used.
– Bring the hand throttle lever to the “peak horsepower” position and
start the engine for a few seconds by means of the starter motor to
expell air from the pump, the injectors and the injector pipes.
WARNING - Whenever water is seen through the filter’s glass bowl, it can
be eliminated by loosening the clamps fastening the pipes to the filter and
turning the filter upside-down to let the water flow out.
Engine middle right-hand side
1 - Fuel filter
2 - Air-bleedin
3 - Oil filter
4 - Oi filter clogging pressure switch
5 - Engine STOP electro-valve
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