VESPA ET4 50 Workshop Manual page 113

ET4 50
Engine
- Wash and blow the minimum nozzle properly and
reassemble it.
- Accurately wash and blow the components of the
maximum circuit, the sprayer, the diffuser and the
nozzle.
- Introduce the sprayer in the carburettor body with
the bigger cylindric part directed to the diffuser.
- Fit the diffuser.
-Assemble the maximum nozzle.
- Check that the tapered pin does not show signs
of wear on the sealing surfaces of the shock ab-
sorber pin and the return clamp.
- Replace the rod if worn out.
- Check that the float is not worn on the pin housing
or on the contact plate with the rod and that there
are no fuel infiltrations.
- Replace it in case of anomalies.
- Fit the float together with the pin and rod in its
position and lock it with its screw.
N.B.
INTRODUCE THE RETURN SPRING ON THE FLOAT
PLATE ADEQUATELY
- Insert the ball in the corresponding accelerating
pump.
- Fit the spring.
- Fit the accelerating pump nozzle.
WARNING
WHEN REFITTING, PAY SPECIAL ATTENTION TO THE
COMPONENTS AS THEY ARE SMALL.
ENG - 113