APRILIA pegaso 650 i.e. Service Manual page 70

SERVICE AND SETTING UP
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BLEEDING THE FRONT BRAKE PUMP
NOTE
Do not close the front brake fluid reservoir after
topping up, since for the bleeding operations it is neces-
sary to top up the brake fluid reservoir more than once.
N
Top up the brake fluid tank, see 2.15 (CHECKING THE
FRONT BRAKE FLUID LEVEL AND TOPPING UP).
a
WARNING
Always wear goggles or a protective screen for the
eyes: when the brake lever (or the brake pads) is op-
erated, part of the brake fluid may be sprayed out of
the brake fluid reservoir.
a
CAUTION
Position a clean cloth under the brake fluid reservoir
to protect the components positioned in the sur-
rounding area.
Be careful to avoid any brake fluid leakage from the
reservoir.
a
CAUTION
Do not use tools (screwdrivers, punches, etc.) that
may damage the pads.
Proceed with care, in order not to damage the brake
pads.
N I
Open the front brake pads (13) (Pos.A) and keep
them in this position by means of a fork spanner (12),
then check if air bubbles come out of the hole (15) pro-
vided on the front brake fluid reservoir (4).
If air bubbles can be noticed in the brake fluid:
a
CAUTION
Clean and degrease the metal spacer (14), in order to
avoid dirtying the brake pads.
N
Position a metal spacer (14) having the same thickness
as the brake disc between the brake pads.
N
Pull the front brake lever (8) until feeling the presence
of pressure in the system.
a
CAUTION
Make sure that the brake fluid level is always includ-
ed between the MIN and MAX marks; otherwise, pro-
vide for topping up.
N
Repeat the operations marked with "
If no air bubbles can be noticed in the brake fluid:
The bleeding of the front brake pump has been carried
out correctly.
N
Put back the front brake calipers, see 7.5.4 (REMOV-
ING THE FRONT BRAKE PUMP).
N
Top up the front brake fluid tank, see 2.15 (CHECKING
THE FRONT BRAKE FLUID LEVEL AND TOPPING
UP).
N
Correctly close the front brake reservoir (4).
DO NOT DISPOSE OF THE FLUID IN THE ENVIRON-
MENT.
Carefully read 2.17.2 (CHECKS TO BE CARRIED OUT
AFTER BLEEDING THE BRAKING SYSTEMS).
2 - 32
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Pegaso 650 I.E.