Gilera 633721 Workshop Manual page 233

Nexus 500 euro 3
(4) Fuel filter
The fuel filter is supplied already assembled to the
pump support.
To replace the support, move the level indicator,
the pressure regulator and the pump from the old
to the new support.
For these operations, follows the instructions giv-
en above.
Pump bracket installation
- Before reassembling, carefully check that the
tank is clean.
In case of dirt or water, remove the tank.
- Install the sealing gasket on the pump support.
- Introduce the pump into the tank being careful not
to deform the level indicator arm.
- Place the sealing gasket on the tank.
- Install the pump support onto the seat aligning
the connector with the scooter longitudinal axle.
N.B.
AN INCORRECT ORIENTATION MAY IMPAIR THE LEVEL
INDICATOR PERFORMANCE.
- Screw the mounting ring nut and tighten thoroughly.
Locking torques (N*m)
Electric pump locking ring nut 20
- Connect the feeding circuit pipes again and check the proper introduction by pulling and turning up-
wards.
- Reconnect the electric connector.
- Recharge the system with at least 4÷5 timings (key switch «OFF-ON»)
N.B.
DO NOT START THE PUMP BEFORE REFILLING THE TANK. FAILURE TO OBSERVE THIS RULE
CAN DAMAGE THE PUMP.
- Check that the fuel feeding system fast-release fitting seal is efficient.
Injection
INJEC - 233