MOTO GUZZI V85 TT Service Station Manual page 185

V85 TT
tainer, this will release the tension on
the brake lever, risking making it arrive
at the end stop.
•
Close the bleed valve before arriving at
the end of the stroke with the lever.
•
Repeat the operation until the are no
air bubbles in the fluid going into the
container.
NOTE
WHILE BLEEDING THE HYDRAULIC SYSTEM, FILL THE
RESERVOIR WITH THE NECESSARY QUANTITY OF
BRAKE FLUID. CHECK THAT, DURING THE OPERATION,
THERE IS ALWAYS BRAKE FLUID IN THE RESERVOIR.
•
Screw the bleeding valve and remove
the pipe.
•
Top-up the reservoir until the correct
brake fluid level is obtained.
•
Refit and block the front brake oil res-
ervoir cap.
•
Refit the rubber protection cover.
Rear
Any air trapped in the hydraulic circuit acts as a cushion, absorbing much of the pressure applied by
the brake pump and minimising the braking power of the calliper.
The presence of air is signalled by the "sponginess" of the brake and by poor braking.
CAUTION
IN VIEW OF THE DANGER THIS POSES FOR VEHICLE AND RIDER, THE HYDRAULIC CIRCUIT
MUST BE BLED AFTER REFITTING THE BRAKES AND RESTORING THE BRAKING SYSTEM TO
ITS NORMAL OPERATING CONDITIONS. THE VEHICLE MUST BE ON LEVEL GROUND TO BE
BLED. WHILE BLEEDING THE HYDRAULIC SYSTEM, FILL THE RESERVOIR WITH THE NECES-
SARY QUANTITY OF BRAKE FLUID. CHECK THAT, DURING THE OPERATION, THERE IS
ALWAYS BRAKE FLUID IN THE RESERVOIR.
•
Remove the rubber protection cover of
the bleed valve.
•
Insert the transparent plastic pipe in
the rear brake calliper bleed valve and
insert the other end of this pipe into a
container to collect the fluid.
•
Remove the rear brake fluid reservoir
cap.
Braking system
BRAK SYS - 185