34.20
34 00 Filling and bleeding Integral
ABS system
d Warning:
All repair and maintenance work on the
BMW Integral ABS must be performed by trained,
qualified specialists.
Comply with all maintenance and repair instructions
and always work through the various steps in the
correct order.
Use only new brake fluid from freshly opened con-
tainers.
L Note:
This description applies for the brake filling and
bleeding unit with extraction of the brake fluid by
partial vacuum.
If other devices are used, comply with their manu-
facturers’ instructions.
– Place motorcycle on its centre stand.
– Remove front and rear seats.
– Remove fuel tank.
Filling and bleeding control circuits
e Attention:
Do not allow brake fluid to come into contact with
painted parts of the motorcycle as brake fluid de-
stroys paint.
Filling the front control circuit
– Turn the front wheel to a position in which the
brake fluid reservoir is horizontal and secure the
handlebars in this position.
– Wrap cloths around the reservoir.
– Remove front reservoir cap with rubber dia-
phragm.
•
Top up the brake fluid levelup to the to the “MAX”
mark (arrow).
e Attention:
During the filling and bleeding procedure, make sure
that the fluid replenishing hole is always below the
level of the brake fluid, or else air will be drawn into
the brake system.
•
Draw off the brake fluid from the circuits in the
correct sequence while topping up continuously
with fresh brake fluid and using ring spanner,
BMW No. 34 2 532:
•
front metering cylinder (1),
•
front integral circuit (2),
•
front control circuit (3) and
•
front metering cylinder (1) for the second time.
e Attention:
On account of the vacuum extraction process, it is
not possible to tell whether there is brake fluid in the
hose of the brake bleeding device when it is free of
bubbles.
Consequently, the system must be bled again
manually in the specified sequence and in ac-
cordance with the instructions for bleeding the
brakes.
KR340280
R28340110
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