BMW R 1150 R Maintenance Manual page 70

Disassembling and assem-
34 11 521
bling front brake caliper
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Important:
Do not separate the brake caliper halves.
•
Remove retaining plate.
•
Remove the split-pin keeper (1) from retaining
pin.
•
Remove retaining pin (2).
•
Remove brake pads.
•
Close the bleed screw.
•
Use the spacer, BMW No. 34 1 520, to secure
the two opposite brake pistons.
•
Place a cloth between the other pair of pistons.
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Important:
Ensure that fingers do not become trapped between
the pistons; there is a risk of injury.
•
Using the compressed-air gun on the brake line
connection, carefully force out the brake
pistons (5).
•
Remove the two sealing rings from the brake pis-
ton holes.
•
Inspect the brake caliper piston for hairline
cracks, score-marks and other damage.
•
Coat the new sealing rings (3, 4) with brake fluid
and fit them.
•
Coat the brake caliper pistons (5) with brake fluid
and fit them.
3
4
5
2
1
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Important:
Keep the brake pistons parallel with their bores
when fitting them.
•
Remove and install the other two brake pistons
in the same way.
•
If necessary, press back the pistons fully using
the resetting tool, BMW No. 34 1 531.
•
Fit the brake pads.
X
Tightening torque:
Bleed screw to brake caliper .......................... 9 Nm
S340120
34.5