Bleeding/Changing Brake Fluid In Rear Control Circuit - BMW R1150RT - MAINTENANCE INTEGRAL ABS Maintenance Manual

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Bleeding/changing brake fluid
34 00 082
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.
R22000151
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.
00.50
d
Warning:
When performing maintenance and repair work on
BMW Integral ABS, never pump quickly or vigorous-
ly.
2
3
1
R28340110
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.

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R 1150 rt

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