VESPA 946 E4 EMEA 2021 Manual page 248

Braking system
CAUTION
THE BLEEDING OPERATIONS OF THE BRAKING SYS-
TEM, EVEN FOR THE VERSION EQUIPPED WITH ABS
SYSTEM, DO NOT ALLOW THE USE OF DIAGNOSTIC
TESTER, AND ARE THEREFORE EQUAL TO THOSE DE-
SCRIBED FOR THE STANDARD BRAKE SYSTEM.
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. FURTHER-
MORE, DURING THE BLEEDING OPERATIONS REGARD-
ING THE BRAKE CALLIPERS, MAKE SURE THE BRAKE
FLUID DOES NOT COME INTO CONTACT WITH THE DISC
BRAKES AND WITH THE BRAKE PADS. FAILURE TO OB-
SERVE THIS PRECAUTION WILL ENDANGER THE PROP-
ER WORKING AND EFFICIENCY OF THE BRAKING SYS-
TEM
Specific tooling
020329Y Mity-Vac vacuum pump
Locking torques (N*m)
Oil bleed screw
12 - 16
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 brake lever, load the system and bring
it up to the required pressure.
- Keeping the brake lever pulled, loosen the bleed
screw to purge the air in the system. Then tighten
the bleed screw
- Repeat the operation until only brake fluid comes
out of the rubber pipe.
- Remove the fluid recovery pipe and refit the rub-
ber cap over the bleed screw.
- Top up the brake fluid to the right level in the res-
ervoir. If necessary, bleeding can be done using a
special vacuum 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. FURTHER-
MORE, DURING THE BLEEDING OPERATIONS REGARD-
ING THE BRAKE CALLIPERS, MAKE SURE THE BRAKE
FLUID DOES NOT COME INTO CONTACT WITH THE DISC
BRAKES AND WITH THE BRAKE PADS. FAILURE TO OB-
SERVE THIS PRECAUTION WILL ENDANGER THE PROP-
ER WORKING AND EFFICIENCY OF THE BRAKING SYS-
TEM
CAUTION
BRAK SYS - 248
Vespa 946 E4-E5 EMEA-USA-ASIA (2021-)