BMW R 1100 S, Repair Manual

Page: 186 / 311

31.8
•
Heat the fork bridge to 100 °C (212°F) and press
in the angular-contact ball bearing with pin,
BMW No. 31 5 651, and bushing,
BMW No. 31 5 653 .
•
Install retaining ring.
Removing and installing slider tube
bridge
•
Remove telescopic fork.
•
Remove caps (1).
•
Lever out the dust wipers (2).
•
Remove fasteners securing slider tube bridge.
e
Caution:
Do not damage the surfaces.
•
Carefully spread the slider tube bridge with a
screwdriver and separate it from the slider tubes.
•
Installation is the reverse of the removal proce-
dure.
X
Tightening torque:
Slider tube bridge to slider tube
(clean Loctite 243).......................... 25 Nm
Removing and installing ball joint in slider tube
bridge
•
Mount the slider tube bridge in retaining fixture,
BMW No. 31 5 670 .
•
Use w/f 46 socket, BMW No. 31 5 630 , to re-
lease and tighten ball joint.
X
Tightening torque:
Ball joint to slider tube bridge
(apply Never Seeze to thread) .................... 230 Nm
Checking friction at ball joint/angular-
contact ball bearing
•
Raise the motorcycle on its main (centre) stand,
make sure front wheel is clear of the ground.
•
Measure the breakaway moment to left and right
from the central position of the handlebar using
friction meter,
BMW No. 00 2 570 .
L
Note:
To determine the friction value, increase torque very
slowly.
Friction value:
Measure at room temperature (above 20 °C/68°F)
Nominal value: .................................. 1.0 ... 2.0 Nm
31 5 651
31 5 653
j
100
w
GS310130
R21310090
1
2
S310040
31 5 630
31 5 672
31 5 671