APRILIA 8140172, Service And Repair Manual

Page: 57 / 279

SERVICE AND SETTING UP
2 - 30
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Carefully read 0.2.1 (PRECAUTIONS AND GENERAL
INFORMATIONS) and 1.2.4 (BRAKE FLUID).
Change the rear brake fluid every two year.
a
CAUTION
Handle brake fluid with care; it may chemically alter
painted surfaces and the parts in plastic, rubber, etc.
DO NOT DISPOSE OF BRAKE FLUID IN THE ENVI-
RONMENT.
◆ Remove the plastic protection cap.
◆ Insert a transparent plastic tube on the bleeder (1) of
the caliper and put the other end of the tube in a con-
tainer.
◆ Loosen the bleeder (1) approx. one turn.
NOTE
Make sure that there is always fluid in the tank
during the operation; otherwise, once finished, the brak-
ing system will need bleeding, see 2.20 (BLEEDING THE
BRAKING SYSTEMS).
◆ Keep an eye on the tank (2) as the fluid flows out and
tighten the bleeder (1) before it empties entirely.
◆ Top up the tank (2), see 2.18 (CHECKING AND TOP-
PING UP THE REAR BRAKE FLUID).
◆ Loosen the bleeder (1) again approx. half a turn.
◆ Watch as the liquid flows out through the tube and as
soon as the colour of the fluid starts to change (from
dark to light), tighten the bleeder (1) again and remove
the tube.
Driving torque of bleeder (1): 15 Nm (1.5 kgm).
◆ Refit the rubber protection cap.
◆ Top up the brake fluid tank (2) to the right level, see
2.18 (CHECKING AND TOPPING UP THE REAR
BRAKE FLUID).