VESPA ET4 50, Workshop Manual

Page: 124 / 185

- Use the specific tool, fitted with part 1*, and op-
erate the handgrip until the pin and the Nadella are
simultaneously ejected in the direction opposite
the tool thrusting force.
- To eject the second Nadella, use the tool fitted
with part 2* instead of part 1, on the side opposite
the one shown in the figure.
* Supplied with the tool
Specific tooling
020021Y Front suspension service tool
- Press and remove the wedging washer with the
help of a pointed end.
- For the second washer, repeat the operation us-
ing the punch on the side opposite to the one
shown in the figure.
A = Ø12 Punch
B = Sharp-edged end
Overhaul
CAUTION
USE NEW ROLLER CASINGS, PIN, SEALING RINGS AND DUST GUARDS FOR REFITTING.
Refitting
- Lubricate the sealing rings with mineral oil and
half-fill the roller casings with grease.
- Insert the seal ring on the pin and the roller bush-
ing with wedging washers at the same time.
- Remove the specific tool, then the part 5 (guiding)
partially ejected in the previous assembly stage;
leave part 4* always fitted.
- Replace part 3 with part 16* on the stem.
Suspensions
ET4 50
SUSP - 124