BMW R 1100 S EVO, Maintenance Manual

Page: 86 / 95

34.21
Filling wheel circuits
e
Important:
Do not allow brake fluid to come into contact with
painted motorcycle parts as brake fluid destroys
paint.
Filling the front wheel circuit
e
Important:
Integral brakes, the rear brake must be ready for
use.
•
Open front wheel circuit reservoir (1).
•
Remove front brake pads.
•
Use the reset device, BMW No. 34 1 531 , and
the positioning piece, BMW No. 34 1 532 , to
press the brake caliper pistons completely back
and to position them.
e
Important:
To prevent brake fluid from entering the connector,
do not release the ABS pressure modulator plug
connections.
•
Refill the front wheel circuit reservoir (1) with new
brake fluid.
•
Wrap cloths around the left and right brake cali-
pers.
•
Connect the brake bleeding device to the bleed
screw of the left brake caliper, but
do not switch
it on .
•
Switch on the ignition.
L
Note:
Always wait for the BMW Integral ABS to complete
its self-diagnosis after the ignition is switched on.
Do not operate the brake lever until self-diagnosis is
complete.
e
Important:
The piston in the base of the wheel circuit reservoir
must always be covered by the fluid, as otherwise air
can be drawn into the brake system.
•
Gently pull the handbrake lever until the pump
just starts up.
•
Open the bleed screw, while topping up the
wheel circuit reservoir (1) with new brake fluid.
•
Pump out the brake fluid under virtually no pres-
sure to begin with, then vary the brake pressure.
•
Pump off brake fluid until it emerges clear and
free from air bubbles.
•
Close the bleed screw.
•
Release the brake.
•
Disconnect the brake bleeding device from the
bleed screw.
•
The procedure for topping up the brake fluid in
the right brake caliper is the same as that for the
left caliper.
•
Release the brake and switch off the ignition.
•
Disconnect the brake bleeding device from the
bleed screw.
e
Important:
After changing and/or bleeding the brakes, always
top up the fluid in the wheel circuit reservoir to the
correct level in accordance with the instructions.
R28340110
1
R28000180
34 1 531
34 1 532
MAX
MIN
R28340090