8
Workshop manual RR 4T - 400 - 450 - 525
48
Draining the oil
NOTE: This operation cannot be performed while the fork is in-
stalled on the vehicle.
NOTE: It is advisable to slightly loosen the plug before remov-
ing the fork leg from the steering plates.
– Remove the fork leg from the steering plates as directed by
the manufacturer.
– Clamp the fork leg in a vice.
– Using a 19-mm spanner, completely unscrew plug 48.
– Slowly lower the sheath along the fork leg.
48
23
20
21
– Push down spring guide cup 20 and spring 21 to allow a 19-
mm spanner to be inserted in counternut 23.
– While holding counternut 23 in position with the 19-mm span-
ner, use another 19-mm spanner to completely unscrew plug
48.
48
31
20
21
32
25
– Remove plug 48, spring guide cup 20, spring 21 and preload
tube 25.
– Remove adjuster inside transmission rod 32 from the end of
rod 31.
– Release fork leg 5 from the vice and turn it upside down over
a suitable container to collect the oil it contains. Pump a few
times to facilitate the outflow.
NOTE: The appearance, density and quality of the spent oil is a
clue to the condition of the seals and guides. If the oil is dense
and dark and contains solid particles, replace the guide bushes
and the seals.
5
08_Inghilterra_059311 27-12-2007 18:49 Pagina 8
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