Repair Manual

31
FRONT BEARING ELEMENTS
31 - 15
TEMPORARY REMOUNTING FOR TESTING
Lubricate the caliper groove and the sealing gasket with brake fluid.
Mount the sealing gasket in its seat.
Lubricate the piston with brake fluid and introduce it in the brake caliper. The piston
should be displaced easily by hand; in any case, it shall be not forced or tapped by a
hammer.
Mount the purging screw.
BRAKE CALIPER SEALING CHECKING
Connect to the brake caliper, a pressure gauge attached to a compressed air source.
Create a 0,3 bars pressure in the brake caliper.
Dip the caliper into a vessel with alcohol.
Move the piston several times to remove the air from the sealing gasket seat.
Place a wooden wedge between the piston and the brake caliper.
Check the sealing of the brake caliper at various pressures , without going over 2 bars.
BRAKE CALIPER
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