BMW R850 1100GS (2000) [288/464] Checking tooth contact pattern

33.19

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.

•

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.

•

If this contact pattern is obtained, a thinner shim

washer must be installed.

•

If this contact pattern is obtained, a thicker shim

washer must be installed.

LT330220

LT330230

LT330240

LT330250