VESPA LX 4T USA Workshop Manual page 109

LX 4T USA
Refitting
- Check there are no signs of wear on the oil pump
shaft or body.
- Check there are no signs of scoring or wear on
the oil pump cover.
- If you detect non-conforming measurements or
scoring, replace the faulty parts or the assembly.
- Fit the cover on the pump being careful to align
the holes (2 on the cover and 2 on the pump body)
fixing the oil pump on the crankcase.
- Fit the oil pump on the crankcase by tightening
the two screws to the prescribed torque.
- Fit the pulley on the pump, the central screw to
the specified torque and the belleville washer.
- Check that there is no seizing and/or friction dur-
ing the pulley rotation.
N.B.
FIT THE BELLEVILLE WASHER SO THAT ITS OUTER
(CURVED) RIM TOUCHES THE PULLEY.
Locking torques (N*m)
Central screw
12 ÷ 14 Nm
Oil pump screws
Nm 5 - 6
Removing the oil sump
- Remove the oil filling cap, the transmission cover,
the complete driving pulley assembly with belt and
pinion.
- Unscrew the oil drainage cap «A» shown in the
figure and drain out all the oil from the sump.
- Remove the 6 screws indicated in the figure.
Cover screws
0.7 ÷ 0.9
Engine
ENG - 109