Front Brake Disc - APRILIA Atlantic 300 Service Station Manual

Braking system
Removal
•
Remove the rear wheel.
•
Undo and remove the three brake disc
screws «1».
•
Remove the brake disc.
NOTE
WHILE REFITTING, SCREW ALL THE SCREWS «1» MAN-
UALLY AND TIGHTEN THEM OPERATING DIAGONALLY.
CAUTION
UPON REFITTING, APPLY LOCTITE 270 ON THE THREAD
OF THE BRAKE DISC SCREWS.
Disc Inspection
CAUTION
THE FOLLOWING OPERATIONS ARE TO BE CARRIED OUT WITH BRAKE DISC FITTED ON THE
WHEEL.
•
Check the brake disc for wear by measuring the minimum thickness with a micrometer at
different points. Replace the disc if the minimum thickness, even at a single point of the disc,
is less than the minimum value.
Characteristic
Disc thickness minimum value:
3,5 mm.
•
Using a dial gauge, check that disc os-
cillation does not exceed the tolerance;
otherwise, replace it.
Characteristic
Brake disc oscillation tolerance:
0.3 mm

Front brake disc

BRAK SYS - 220
ATLANTIC 300 i.e.