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IF THE BRAKE FLUID LEVEL FALLS CONSID-
ERABLY, HAVE THE BRAKING SYSTEM
CHECKED BY AN AUTHORISED PIAGGIO
SERVICE CENTRE.
Refitting brake fluid reservoir and pump from chassis
Fitting:
Reposition the brake fluid tank appropriately.
Restore the correct level and bleed the system.
Air bleed of brake hydraulic circuit
Push down the pedal to the end of its travel and
slowly let it return to its starting position, repeating
the operation until the pedal feels a back pressure.
As this operation is carried out add fluid to the
tank to prevent the pump from discharging.
Lower the pedal, keeping it pressed, undo the
bleed screw on a rear wheel, let the air out, after
this bleed point has been connected through a
small rubber pipe to a tray full of brake fluid.
Screw the bleed screw.
Repeat the above operations until the escape of air bubbles from the that tube does not stop.
Repeat the above operations for the other wheel.
CAUTION
THE AIR COMING OUT OF THE TUBE MAY ENTER DURING THE CONTINUOUS BLEEDING OP-
ERATION; IN SUCH A CASE INSPECT ALL FITTINGS AND THE CORRECT TIGHTENING OF THE
GASKETS OF THE PUMP AND OF THE CYLINDERS OF THE WHEEL.
In performing the circuit filling operation shown above, ensure that the liquid level in the tank never falls
below the minimum, and top up continuously with the recommended product.
Braking system MSS APE 50
BS - 88
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