VESPA 664787 Service Station Manual page 80

Engine
• Heat the hub cover and insert the bearing with
the specific punch.
• Fit the snap ring with the concave or radial part
on the bearing side.
N.B.
FIT THE BALL BEARING WITH THE SHIELD FACING THE
OIL SEAL.
Specific tooling
020151Y Air heater
020376Y Adaptor handle
020439Y 17 mm guide
020358Y 37x40-mm adaptor
Refitting the wheel axle bearing
- Heat the half crankcase on the transmission side
using a thermal gun.
- After lubricating its outer strip, insert the bearing
with the special adapter with the aid of a hammer.
- Refit the seeger ring and the oil seal using the 42
x 47 mm adapter and the handle.
Specific tooling
020151Y Air heater
020376Y Adaptor handle
020363Y 20 mm guide
020359Y 42x47-mm adaptor
Refitting the ub cover
- Refit the whole wheel axle.
- Refit the intermediate gear paying attention to the
two shim washers.
- Apply LOCTITE 510 for surfaces to the hub cov-
ers and refit the same with driven pulley shaft.
- Refit the 5 screws and tighten them to the speci-
fied torque.
N.B.
CLEAN THE CONTACT SURFACES OF THE HUB COVER
AND THE HALF CRANKCASE OF RESIDUE FROM PREVI-
OUS GASKETS BEFORE APPLYING A NEW ONE.
ENG - 80
Vespa S 50 2T