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2-19 PERIODIC MAINTENANCE ANll f U'NE-UP PROCEDURES
BRAKE LIGHT SWITCHES
Adjust both brake light switches, front and rear, so
that brake light will
come
on just before
a pressure
is felt when the brake lever is squeezed, or the
brake pedal is depressed.
AIR BLEEDING f HE BRAKE FLUlD CIRCUIT
Air trapped in the fluid circuit acts like a cushion
to absorb a
large proportion
o f the pressure devel-
oped by the master
cylinder and
thus interferes
with the full braking performance
of
the caliper
brake. The presence of air is indicated by
"spongi-
ness" of
the
brake lever and also
by lack of braking
force. Considering the
danger
to which
such
trap-
ped air exposes the machine and rider, it is essen-
tial that, after remounting the brake and restoring
the brake system to the normal condition, the
brake
fluid circuit be purged of air in the
following
manner:
a
Fill up the
master
cylinder reservoir
to the
"HIGH"
level
line. Replace
the reservoir
cap
to
prwenz entry of dirt.
Attach a pipe
to
the caliper
bleeder valve, and
insert the free end of the pipe into a
receptacle.
Bleeder va 'lve
tightening torque
0.7
-
0 . 9
kg-m
(5.0 - 6.5
Ib-ft)
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