23 4 762
0.2
23 4 763
A
23 4 761
1
Checking/adjusting fully-compressed length of
output shaft
e
Caution:
To check and adjust the fully-compressed length,
measure deviation from zero as described below
and adjust with a shim washer.
Before each measuring step, even if the shaft is not
to be installed, make sure that the deep-groove ball
bearing is fully compressed.
•
Pull off output-side deep-groove ball bearing
with universal puller, BMW No. 00 7 500.
•
Take off the spacing washer.
•
Insert zero gauge, BMW No. 23 4 763, in to
measuring stand, BMW No. 23 4 761.
•
Secure dial gauge, BMW No. 23 4 762, in rear
mounting hole on measuring stand,
BMW No. 23 4 761, and set to 0.2 mm
(0.008 in) preload.
•
Using the dial gauge, zero to dimension "A" of
the zero gauge, BMW No. 23 4 763.
•
Remove the zero gauge from the measuring fix-
ture.
•
Place the measuring disc, BMW No. 23 4 766,
on the output shaft.
•
Place the deep-groove ball bearing on the meas-
uring disc.
•
Insert the output shaft into the measuring stand.
23.18
23 4 766
2
•
Using the dial gauge, measure the deviation from
zero of dimension "B" at the inner bearing race.
The deviation from zero represents thickness "C" of
spacing washer (1).
•
Place spacing washer (1) of the thickness just
determined on the inner bearing race, and check
deviation from zero.
A = B + C
e
The maximum deviation from zero must not be ex-
ceeded.
•
Remove output shaft from measuring fixture.
•
Take off spacing washer, deep-groove ball bear-
ing and measuring disc.
•
Place a spacing washer (1) of the determined
thickness on the output shaft and press on the
deep-groove ball bearing.
Output shaft adjusting dimensions:
Maximum deviation
from zero ......... -0.05 mm (0.002 in) ... 0.00 mm/in
Fully-compressed
length......... 192.95...193.00 mm (7.596...7.598 in)
1
B
Caution:
C
3
KR230300
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