Periodic Maintenance Procedures
Remove the caliper holder [A] from the caliper [B] and
remove the anti-rattle spring [C].
Using compressed air, remove the pistons. One way to
remove the pistons is as follows.
Cover the caliper opening with a clean, heavy cloth [A].
Remove the pistons by lightly applying compressed air [B]
to the hose joint opening.
The front caliper is built into the two pistons. When
remove one piston using compressed air, the another
piston comes off previously. To come off the remaining
piston, the edge of the piston that came off previously
is pushed into the cylinder a little, and repeat the same
To avoid serious injury, never place your fingers or
palm in front of the piston. If you apply compressed
air into the caliper, the piston may crush your hand
Pull out the pistons [A] by hand.
Remove the dust seals [B] and fluid seals [C].
If compressed air is not available, do as follows for both
calipers coincidentally, with the brake hose connected
to the caliper.
Prepare a container for brake fluid, and perform the
work above it.
Remove the spring and pads (see Brake Pad Removal
in the Brakes chapter).
Pump the brake lever until the pistons come out of the
cylinders, and then disassemble the caliper.
Remove the rear caliper (see Caliper Removal in the
Remove the pads (see Brake Pad Removal in the Brakes
Separate the caliper holder [B] from the caliper [A].
PERIODIC MAINTENANCE 2-41