12. Brake System
12-10
Remove the rubber pad.
Remove the cir clip.
Remove the piston and the spring.
Clean the master cylinder with recommended
brake fluid.
Master Cylinder Inspection
Check the master cylinder for damage or scratch.
Replace it if necessary.
Measure the cylinder inner diameter at several
points along both X and Y directions.
Replace the cylinder if the measured values
exceed allowable limit.
Measure the outer diameter of the piston.
Replace the piston if its measured value exceeds
allowable limit.
Master Cylinder Assembly
Caution
y It is necessary to replace the whole set
comprising piston, spring, piston cup, and cir
clip.
y Make sure there is no dust on all
components before assembling.
Apply clean brake fluid to the piston cup, and then
install the cup onto the piston.
Install the larger end of the spring onto the master
cylinder.
The master cup’s cavity should be face inside of
master cylinder when installing the master cup.
Install the cir clip.
Caution
y Never install cup lip in the opposite direction.
y Make sure the cir clip is seated securely in
the groove.
Install the rubber pad into groove properly.
Rubber
bush
Cir clip
Piston
Spring
Sub-cup
Sub-cup
Master cylinder
Cylinder gauge
Master cylinder
Piston
Micrometer
Rubber pad
Clip
Piston
Master cylinder
Spring
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