Removing and installing brake caliper PC57

Special tools and workshop equipment required

Removal wedge -3409-

Piston resetting appliance -T10145-

Removing

• Press piston out of brake caliper using compressed air.

Place a piece of wood in the recess to prevent damage to the piston.

• Remove seal using wedge 3409.

When removing ensure that the surface of the cylinder is not damaged.

Installing

• The surfaces of the piston and seal must be cleaned only with methylated spirits and then dried.
• Apply a thin coat of assembly paste G 052 150 A2 to piston and seal before inserting.
• Insert seal in brake caliper.

• Place protective cap with outer sealing lip on piston.

• Insert inner sealing lip into groove in cylinder using wedge 3409.

When doing this, hold piston in front of brake caliper.

• Press piston into brake caliper using piston resetting appliance.