VESPA LX 4T USA Workshop Manual page 112

Engine
- Remove the 2 fixing screws indicated in the fig-
ure, the vacuum chamber cover and the spring.
- Remove the vacuum valve together with the di-
aphragm; the pin, the spring and its plastic guide.
WARNING
DURING THE REMOVAL OF THE COVER TAKE SPECIAL
CARE NOT TO RELEASE THE SPRING ACCIDENTALLY.
- Remove the 3 fixing screws and the tank with the
gasket.
- Remove the tank components following the pro-
cedure below.
- Undo the 2 screws fixing the intake pump dia-
phragm cover.
- Remove the cover being careful with the spring
below, then remove the spring, take out the rubber
protection and the diaphragm together with the
pipe O-Ring.
ENG - 112
LX 4T USA