Overhaul

DISASSEMBLY





1. Bend claws of stopper cap outward.





2. Remove piston stopper while piston is pushed into cylinder.
3. Remove piston assemblies.

NOTE: If it is difficult to remove secondary piston assembly, gradually apply compressed air through fluid outlet.

4. Draw out reservoir tank.

INSPECTION
- Check master cylinder inner wall for pin holes and scratches. Replace if damaged.

ASSEMBLY
1. Insert secondary piston assembly. Then insert primary piston assembly.

NOTE:





- Pay attention to direction of piston cups in figure. Also, insert pistons squarely to avoid scratches on cylinder bore.
- Pay attention to alignment of secondary piston slit with valve stopper mounting hole of cylinder body.





2. Install stopper cap. Before installing stopper cap, ensure that claws are bent inward.
3. Push reservoir tank seals into cylinder body.
4. Push reservoir tank into cylinder body.





5. Install valve stopper while piston is pushed into cylinder.