Gilera 633721 Workshop Manual page 223

Nexus 500 euro 3
The special tool is equipped with fast-release fit-
tings, similar to those provided for the circuit.
In order to disconnect the female terminals (injec-
tor side), it is necessary to press the two exten-
sions and draw them.
CAUTION
DO NOT FORCE THE TERMINAL IF THIS DOES NOT COME
LOOSE; EVENTUALLY, TRY TWISTING IT. THE TERMINAL
IS DESIGNED SO THAT AN INCREASE IN TENSION IN-
CREASES THE LOCKING FORCE.
To detach male type terminals (pump side) it is
necessary to press the coaxial rings towards the
pump, and extract the terminals.
CAUTION
DO NOT FORCE THE TERMINAL IF THIS DOES NOT COME
LOOSE; EVENTUALLY, TRY TWISTING IT. THE TERMINAL
IS DESIGNED SO THAT AN INCREASE IN TENSION IN-
CREASES THE LOCKING FORCE.
The system pressure check must be carried out,
for practical reasons, by connecting on the pump
side.
Connect the manometer to the outlet duct (RHS)
and the extension tube to the inlet duct (LHS).
CAUTION
BEFORE REASSEMBLING CHECK THE TOOL DUCTS ARE
CLEAN.
Pressure regulator check
1 - Connect the diagnostic tester.
Specific tooling
020460Y Scooter diagnosis and tester
Injection
INJEC - 223