Front Brake Disc - Gilera 633721 Workshop Manual

Nexus 500 euro 3
- Repeat the measurement at no fewer than six
points on the disc.
- Check that the measurements do not deviate
over 0.1 mm
- Remove the front calliper.
- Place the magnetic base with the dial gauge on
the brake calliper support bracket as shown in the
photograph.
- Suitably fix the flange to the wheel axle with the original nut and spacer and a Ø 17-mm bearing
N.B.
SO AS NOT TO GET A DISTORTED READING, CAUSE THE DRIVEN PULLEY SHAFT TO TURN
IN ORDER TO ROTATE THE DISC.
Specific tooling
020335Y Magnetic support for dial gauge
Characteristic
Max. deviation allowed:
0.1 mm
- If you detect incorrect values, replace the disc. If the anomaly persists, replace the hub.

Front brake disc

Removal
- Remove the front wheel.
- Undo the five clamping screws shown in the pho-
tograph
Refitting
For fitting, position the disc correctly using the arrow stamped on it as reference.
- Do up the screws to the prescribed torque and apply the recommended product
N.B.
THE ARROW STAMPED ON THE DISC INDICATING THE RUNNING DIRECTION MUST BE FITTED
TOWARDS THE OUTSIDE OF THE VEHICLE.
Recommended products
Braking system
BRAK SYS - 317