Brake Caliper Piston, FSIII

Brake Caliper Piston, FSIII

Special tools, testers and auxiliary items required

• Trim Removal Wedge (3409)

• Piston Resetting Tool (T10145)

Removing

- Force piston from brake caliper using compressed air.

Place a wooden board into the recess of the caliper housing so it is not damaged.






- Remove seal using (3409).






When removing, make sure that surface of cylinder is not damaged.

Installing

- The surface of the piston and seal must only be cleaned with mineral spirits and then dried.

- Thinly coat piston and seal with lithium grease (G 052 150 A2) before inserting.

- Install sealing ring in brake caliper.

- Place protective cap with outer sealing lip onto piston.






- Using (3409) , insert inner sealing lip into cylinder groove.

Hold piston in front of brake caliper for this procedure.






- Press piston into brake caliper using piston resetting tool.






Outer sealing lip of protective cap will then engage in piston groove.