Front
- Remove the rubber cap from the bleed screw.
- Insert a rubber pipe in the bleed screw to permit
the brake fluid to be recovered.
- With the right-hand brake lever, load the system
and bring it up to the required pressure.
- Keeping the right-hand brake lever pulled, loosen
the bleed screw to purge the air. Then tighten the
bleed screw
- Release the brake lever
- Repeat the operation until only brake fluid comes out of the rubber pipe.
- Remove the fluid recovery pipe and refit the rubber cap over the bleed screw.
- Top up the brake fluid to the right level in the reservoir.
If necessary, bleeding can be done using a special vacuum pump
N.B.
DURING PURGING FREQUENTLY CHECK THE LEVEL TO PREVENT AIR GETTING INTO THE
SYSTEM THROUGH THE PUMP.
N.B.
DURING THE BLEEDING OPERATIONS, MAKE SURE THE BRAKE FLUID DOES NOT COME INTO
CONTACT WITH THE BODYWORK SO AS NOT TO DAMAGE IT. FURTHERMORE, DURING THE
BLEEDING OPERATIONS REGARDING THE BRAKE CALLIPERS, MAKE SURE THE BRAKE
FLUID DOES NOT COME INTO CONTACT WITH THE DISC BRAKES AND WITH THE BRAKE
PADS. FAILURE TO OBSERVE THIS PRECAUTION WILL ENDANGER THE PROPER WORKING
AND EFFICIENCY OF THE BRAKING SYSTEM
Specific tooling
020329Y Mity-Vac vacuum-operated pump
Locking torques (N*m)
System bleed calliper fitting: 20 to 25 Nm
Brake fluid level check
- Rest the vehicle on its centre stand on flat
ground.
- The brake fluid reservoir has a sight glass «A»
made of transparent material; the quantity of liquid
contained in the sight glass indicates the level of
fluid in the reservoir.
- When the sight glass «A» is full, the level inside
the reservoir is above the MIN level; when it is par-
tially full, the level has dropped to the MIN level;
Vespa LX 125 - 150 i.e. Braking system
BRAK SYS - 211
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