33.18
Checking/adjusting backlash
•
Place measuring fixture (1), BMW No. 33 2 600,
with dial gauge on the crown wheel and secure
to housing with knurled screw (2).
•
Attach measuring arm (3), BMW No. 33 2 604,
centrally 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 backlast 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:
(adjusting without oil).......................0.07...0.16 mm
.............................................. (0.00276...0.0063 in)
33 2 604
33 2 600
1
2
3
RT330190
90°
RT330200
1
RT330210
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