2-46 PERIODIC MAINTENANCE
Periodic Maintenance Procedures
Using compressed air, remove the piston.
Cover the caliper opening with a clean heavy cloth [A].
Remove the piston by lightly applying compressed air [B]
to the hose joint opening.
The piston in the brake caliper can crush hands and
fingers. Never place your hand or fingers in front of
Pull out the piston [A] by hand.
Remove the dust seal [B] and fluid seal [C].
Clean the caliper parts except for the pads.
For cleaning of the parts, use only disc brake fluid,
isopropyl alcohol, or ethyl alcohol.
If you removed the bleed valve, install the bleed valve and
Torque - Caliper Bleed Valve: 8.0 N·m (0.82 kgf·m, 71 in·lb)
Replace the fluid seal(s) [A] with new ones.
Apply silicone grease to the fluid seal(s), and install them
into the cylinder(s) by hand.
Replace the dust seal(s) [B] with new ones.
Apply brake fluid to the dust seal(s), and install them into
the cylinder(s) by hand.
Apply brake fluid to the outside of the piston(s) [C], and
push them into each cylinder by hand.