Overhaul
- Remove the front brake calliper and the corre-
sponding pads.
- Remove the two pistons from the calliper body
with the aid of small blasts of compressed air
through the brake fluid feeding hole. A piece of
rubber pipe may be needed to seal with the com-
pressor gun.
N.B.
PAY ATTENTION WHEN THE PISTONS COME OUT AS THE
STRONG BLASTS OF COMPRESSED AIR CAN MAKE THE
PISTONS COME OUT OF THE PUMP BODY VIOLENTLY
- Remove the dust-cover ring «A» and the sealing
ring «B» of each piston.
N.B.
DO NOT SCRATCH THE SEATS WHILE REMOVING THE
RINGS.
- Check that the pistons and relevant seats exhibit
no scratches.
- Wash only with alcohol and blow all the compo-
nents carefully.
- Fit new sealing rings and dust guards.
- Assembly the pistons into the appropriate seats
being careful to lubricate the sealing ring «B» with
brake fluid. The dust guard ring «A» has an inter-
nal groove with specific grease.
Braking system Nexus 500 euro 3
BRAK SYS - 314
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