Yamaha RX10K, Assembly Manual

Page: 55 / 98

3-30
WARNING
NOTE:
WARNING
HYDRAULIC BRAKE AIR BLEEDING
Bleed the brake system if:
D
The system has been disassembled.
D
A brake hose has been loosened or re-
moved.
D
The brake fluid has been very low.
D
The brake operation has been faulty.
D
During predelivery set up.
A loss of braking performance may occur if
the brake system is not properly bled.
Air bleeding steps:
a. Add proper brake fluid to the reservoir.
b. Install the diaphragm. Be careful not to spill
any fluid or allow the reservoir to overflow.
c. Connect a clear plastic hose 1 tightly to the
caliper bleed screw 2 .
d. Place the other end of the hose into a con-
tainer.
e. Slowly apply the brake lever several time.
f. Pull the lever in.
Hold the lever in position.
g. Loosen the bleed screw and allow the lever
to travel towards its limit.
h. Tighten the bleed screw when the lever limit
has been reached, then release the lever.
i. Repeat steps (e) to (h) until all air bubbles
have disappeared from the fluid.
j. Tighten the bleed screw 2 .
Bleed screw:
6 Nm (0.6 m
S
kg, 4.3 ft
S
lb)
If bleeding is difficult, it may be necessary to let
the brake fluid settle for a few hours.
Repeat the bleeding procedure when the tiny
bubbles in the system have disappeared.
k. Add brake fluid to proper level.
Check the operation of the brake after bleed-
ing the brake system.