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Honda CB400F 1989 Service Manual page 128

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1 3. BRAKES
SERVICE INFORMATION
TROUBLESHOOTING
FRONT BRAKE PAD REPLACEMENT
REAR BRAKE PAD REPLACEMENT
FRONT
BRAKE CALIPER REMOVAL/
INSTALLATION
REAR BRAKE CALIPER
REMOVAL/
INSTALLATION
FRONT BRAKE CALIPER
DISASSEMBLY/ASSEMBLY
REAR BRAKE
CALIPER DISASSEMBLY/
ASSEMBLY
13-1
FRONT MASTER CYLINDER
REMOVAL/INSTALLATION
REAR MASTER
CYLINDER
REMOVAL/INSTALLATION
FRONT MASTER
CYLINDER
DISASSEMBLY/ASSEMBLY
REAR MASTER
CYLINDER
DISASSEMBLY/ASSEMBLY
BRAKE PEDAL
REMOVAL/
INSTALLATION
13-8
13-1
13-2
13-3
13-9
»
13-10
13-4
13-11
13-5
13-12
13-6
13-7
SERVICE INFORMATION
AWARNING
A
contaminated
brake disc or
pad reduces stopping power.
Discard contaminated
pads
and clean a contaminated disc
with a high quality brake degreasing
agent.
• Inhaled asbestos fibers have been found
to
cause respiratory
disease
and cancer. Never use an air
hose
or dry brush
to
clean brake assemblies. Use an OSHA-approved vacuum cleaner
or
alternate method
approved by OSHA designed
to
minimize the hazard caused
by airborne asbestos fibers.
»
Spilled brake fluid
will
severely
damage
instrument lenses and painted
surfaces. It
is also harmful
to
some rubber
parts.
Be
very careful
whenever
you
remove the reservoir cap: make sure the front reservoir is horizontal first.
Never allow contaminants
(dirt,
water, etc.) to get
into an
open
reservoir.
Once the hydraulic
system
has been
opened, or if the
brakes
feel spongy,
the
system must
be bled.
Always
use fresh DOT 4 brake fluid from
a sealed
container when servicing the
system.
Do
not
mix different
types
of fluid
os they may
not
be
compatible.
Always check
brake
operation
before riding
the
motorcycle.
TROUBLESHOOTING
Brake
lever/pedal
hard
Clogged/restricted brake
system
Sticking/worn caliper
piston
• Caliper
not
sliding properly
Clogged/restricted fluid passage
Worn caliper piston seal
• Sticking/wom
master
cylinder piston
Bent brake lever/pedal
Brake
lever/pedal soft or spongy
,
• Air
bubbles in the hydraulic
system
Leaking hydraulic
system
Contaminated brake pad/disc
• Worn
caliper piston seal
• Worn
maetor
cylinder pi3ton cups
Worn brake
pad
Contaminated
caliper
• Caliper
not
sliding properly
• Worn
brake
pad/disc
Low
fluid level
Clogged fluid
passage
Warped/deformed brake disc
Sticking/worn caliper piston
Sticking/worn
master
cylinder piston
Worn brake disc
Contaminated
master
cylinder
• Bent brake
lever/pedal
>
»
Brakes
drag
Contaminated brake pad/disc
*
Misaligned wheel
Worn brake pad/disc
Warped/deformed brake disc
Caliper
not
sliding properly
I
10*1

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Cb-1 1989