00.52
34 00 082 Bleeding/changing brake fluid
in rear control circuit
– Place the motorcycle on its main (centre) stand.
– Fuel tank removed.
e Attention:
Do not allow brake fluid to come into contact with
painted parts of the motorcycle as brake fluid de-
stroys paint.
•
Remove right case, if necessary.
•
Remove small right side fairing panel.
•
Remove rear reservoir cap with rubber dia-
phragm, draw off the old brake fluid and clean
the reservoir.
•
Top up the brake fluid level to the “MAX” mark.
•
Connect the brake bleeding device to bleed
screw (1) of the rear metering cylinder, but do
not switch on.
d Warning:
Do not use vacuum extraction to change the brake
fluid in the control circuits or bleed the control cir-
cuits.
e Attention:
While bleeding the system, do not allow the brake
fluid level to drop below the “MIN” mark, as other-
wise air will be drawn into the brake system.
Bleed the system again if this happens.
d Warning:
When performing maintenance and repair work on
BMW Integral ABS, never pump quickly or vigorous-
ly.
•
In the following sequence, bleed:
– rear metering cylinder (1),
– rear integral circuit (2),
– rear control circuit (3) and
– rear metering cylinder (1) for the second time
using ring spanner, BMW No. 34 2 532, in accord-
ance with instructions for bleeding.
Instructions for bleeding:
1. Slowly depress brake lever until brake-light
switch clicks (blow-by bore closed).
2. Open the bleed screw.
3. Slowly depress brake lever to full extent of its trav-
el and close the bleed screw.
4. Slowly release the brake lever.
5. Repeat steps 1 to 4 until the bake fluid is clear
and free of bubbles.
•
Fit the protective caps on the bleed screws.
R22000151
R28340110
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