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Caliperfluid Seal Damage; Caliper Dust Seal/friction Boot Damage; Caliper Piston And Cylinder Damage; Caliper Holder Shaft Wear - Kawasaki ZR-7S Service Manual

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CaliperFluid Seal Damage
The fluid seals [A]
around the piston maintain the proper
pad/disc clearance.
If the seals are not satisfactory, pad
wear will increase, and constant pad drag on the disc will
raise brake and brake fluid temperature.
Replace the fluid seals under any of the following condi-
tions; (a) fluid leakage around the pad; (b) brakes over-
heat (c) there is a large difference in inner and outer pad
wear; (d) the seal is stuck to the piston.
* If the fluid seal is replaced, replace the dust seal [8] as
well. Also, replace all seals every other time the pads are
Caliper Dust Seal/Friction Boot Damage
Check that the dust seals [8] and friction boot [0] are not
cracked, worn, swollen, or otherwise damaged.
*If they show any damage, remove the caliper bracket and
replace them.
Fluid Seal [A]
Dust Cover
Caliper Piston and Cylinder Damage
Visually inspect the piston [E] and cylinder surfaces.
the caliper if the cylinder and piston are badly
scores or rusty.
Caliper Holder Shaft
The caliper body must slide smoothly on the caliperholder
shaft [F]. If the body does not slide smoothly, one pad will
wear more than the other, pad wear will increase, and con-
stant drag on the disc will raise brake and brake fluid tem-
Check to see that the caliper holder shaft are not badly
worn or stepped, and that the rubber friction boots are
not damaged.
*If the rubber friction boot is damaged, replace the rubber
frictionboot. Toreplacethefrictionboot,
remove the pads
and the caliper bracket.
* If the caliper holder shaft is damage, replace the caliper
1 C


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