33.12
Checking/adjusting backlash
•
Attach measuring device, BMW No. 33 2 620,
with dial gauge to crown wheel and secure to
housing with the knurled screw.
•
Attach measuring arm, BMW No. 33 2 604, cen-
trally to crown wheel.
•
With the palm of the hand, press the crown wheel
into the housing and turn to and fro to check
tooth backlash.
L Note:
Check tooth backlash at three points 120 degrees
apart; turn the bevel pinion with the crown wheel.
•
Compensate for excessive backlash by inserting
a thinner shim washer, and for insufficient back-
lash by inserting a thicker shim washer (1).
Backlash:
(adjust
without oil)....... 0.07...0.16 mm (0.0027...0.0063 in)
33 2 604
C330060
33 2 620
90°
C330070
1
C330240
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