BMW R 1100 S, Repair Manual

Page: 171 / 311

23.20
Checking/adjusting fully-assembled length of
output shaft
e
Caution:
Check and adjust the fully assembled length as de-
scribed below and install a spacing washer of the
correct thickness.
Before measuring, always make sure that the
grooved ball bearings are pressed fully home, even
if the shaft has not been disassembled and reas-
sembled.
•
Position dial gauge, BMW No. 23 4 762 , in rear
locating bore of stand, BMW No. 23 4 761 , and
set to 0.2 mm (0.008 in) preload.
•
Using dial gauge, zero to dimension “A” of the
zero gauge, BMW No. 23 4 763 .
•
Pull off the input-side grooved ball bearing with
universal puller,
BMW No. 00 7 500 .
•
Remove the spacing washer.
•
Place reference washer, BMW No. 23 4 766 , on
the output shaft.
•
Place the grooved ball bearing on the reference
washer.
•
Insert the output shaft into the measuring stand.
•
Using the dial gauge, measure the deviation from
zero of dimension
“B” at the inner bearing race.
Deviation from zero is equivalent to the thickness
“C” of spacer (1).
•
Place a spacer (1) of the correct thickness on
the bearing inner ring and check deviation from
zero.
A = B + C
e
Caution:
The maximum deviation from zero must not be ex-
ceeded.
•
Take off spacing washer, grooved ball bearing
and reference washer.
•
Place a spacing washer (1) of the correct thick-
ness on the output shaft and press on the
grooved ball bearing.
Reference dimension for input shaft:
Maximum deviation from zero ................................
............................... -0.05…0 mm (-0.002...0.00 in)
0
90
10
20
30
40
50
60
70
80
0
90
10
20
30
40
50
60
70
80
0
90
10
20
30
40
50
60
70
80
KR230300
23 4 763
23 4 761
23 4 762
23 4 766
0.2
1
3
2
1
C
B A