VESPA LX 150 4T USA Workshop Manual page 161

LX 150 4T USA
Overhaul
- Remove the front brake calliper
- Suitably hold the brake calliper in a clamp
- Remove the two calliper coupling screws as
shown in the photo
- Remove the two pistons from the calliper body
with the aid of short blasts of compressed air
through the brake fluid holes
- Remove the dust ring and the O-ring of each half
calliper.
- Remove the O-rings in the half calliper.
N.B.
WHEN REMOVING THE O-RINGS, BE CAREFUL NOT TO
SCRATCH THE HALF CALLIPER SEATS
- Check there are no scorings on the pistons and
their seats; otherwise, replace them.
- Wash and blow all the components carefully
- Fit the O-rings and new dust guards
- Refit the pistons in their seats being careful to
lubricate with brake fluid
- Recouple the half callipers and lock the two
screws at the specified torque
Locking torques (N*m)
Calliper coupling screw
22 ÷ 27
Braking system
BRAK SYS - 161