Checking Tooth Contact Pattern - BMW R 1100 RT Repair Manual

Bmw motorcycle
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Checking tooth contact pattern

The tooth contact pattern must be checked if the
gear set, housing or input bevel pinion bearing
have been renewed
L
Note:
The contact pattern is adjusted at the shim washer
(1) on the input bevel pinion.
Degrease the tooth flanks on crown wheel and
pinion, and coat with engineer's blue.
Insert the crown wheel, press into housing with
the palms of the hands and turn to and fro.
LT330230
If the correct spacer disc is installed, the follow-
ing contact pattern appears when no load is ap-
plied.
L
Note:
The contact point is central on front flank V.
The contact point is closer to the larger diameter on
back flank R.
e
Caution:
Teeth should never make contact at the smaller di-
ameter.
1
If this contact pattern is obtained, a thinner shim
washer must be installed.
LT330220
If this contact pattern is obtained, a thicker shim
washer must be installed.
V
R
LT330240
LT330250
33.19

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This manual is also suitable for:

R 850/1100 rR 1100 gsR 850 gsR 1100 rR 850 r

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