Checking contact pattern – BMW K 1100 LT/RS User Manual

Page 251

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33.15

Checking contact pattern

•

The contact pattern must be checked when the
set of gears, the housing or the bearing of the
drive bevel gear has been replaced.

L

Note:

The contact pattern is set with the spacer ring?(1) on
the drive bevel gear.

•

Remove grease from the tooth profiles of the
crown wheel and bevel gear and coat with engi-
neer’s blue or white oil paint.

•

Fit crown wheel, press into housing with palm of
hand and turn forward and backward several
times.

•

If the correct spacer ring is installed, the no-load
contact pattern as shown above should be ob-
tained.

L

Note:

The contact pattern is in the centre of the forward
profile “V”.
The contact pattern is nearer the large diameter on
the reverse profile “R”.

e

Caution:

The teeth should never touch at the small diameter!

•

If this contact pattern is obtained, a thinner spac-
er ring must be installed.

•

If this contact pattern is obtained, a thicker spac-
er ring must be installed.

LT330220

1

LT330220

R

V

LT330240

LT330250

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