34.23
[GS/R/RT] Adjusting rear ABS sen-
sor gap
Marking sensor wheel
•
Before removing/installing, clean sensor and
bore.
•
Using Torx T 25, detach the sensor.
•
Bolt dial gauge holder with measuring shoe, ex-
tension BMW No. 34 2 520 and dial gauge,
BMW No. 00 2 510, to sensor mount.
•
Zero the dial gauge.
•
Measure axial runout over the entire circum-
ference.
•
Make a permanent paint pencil mark at the point
where the sensor wheel is farthest away from the
sensor (arrow).
e Caution:
If parts are replaced (rear wheel etc.) and a used or
previously marked sensor wheel is installed, the
sensor ring must be measured and marked again.
Remove the old marking.
Checking and adjusting sensor gap
•
Check/adjust at the marked point
•
If necessary, remove/install sensor with
Torx T 25 and adjust sensor gap with spacing
plates.
e Caution:
After adjusting, check that the sensor wheel is free
to turn at all points on its circumference.
Sensor gap:.. 0.45...0.55 mm (0.0177...0.02165 in)
X Tightening torque:
Sensor ...........................................handtight, 4 Nm
34 2 520
00 2 510
GS340181
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