Gilera 633721 Workshop Manual page 118

Engine
- Pre-assemble the ceramic seal and the relevant
gasket.
N.B.
PLACE THE CHAMFERING TOWARDS THE GASKET BE-
ING CAREFUL NOT TO FOUL THE CERAMIC RING WITH
OIL OR GREASE, WHICH WOULD IMPAIR THE SEAL.
- Insert the ceramic seal on the flywheel cover.
N.B.
ASSEMBLE BY HAND TO PREVENT DAMAGES TO THE CERAMIC SEAL.
- Insert the water pump shaft after lubricating the
flywheel cover seat.
- Insert the mechanical seal on the shaft up to the
impeller abutment surface.
N.B.
THE FINAL INTRODUCTION DEPTH WILL BE DETER-
MINED BY THE IMPELLER.
- Screw the impeller and tighten to the prescribed
torque.
Locking torques (N*m)
Water pump impeller
Refitting the flywheel cover
- Lubricate the intermediate gear seat with torque
limiter on the flywheel cover.
- Align the water pump movement sensor with a
reference and install the flywheel cover as descri-
bed in the Flywheel cover chapter.
ENG - 118
4 ÷ 5
Nexus 500 euro 3