33.14
Shimming housing cover
•
To obtain the correct roller bearing preload, the
housing cover must be shimmed.
•
Using depth gauge, BMW No. 00 2 550, meas-
ure distance a.
•
Place measuring ring, BMW No. 33 2 601, in po-
sition and secure it.
•
Measure from the outer ball bearing race through
the cutout in the measuring ring to the housing
joint face and determine distance b.
•
Distance a – distance b = shim thickness (without
preload).
•
Apply a light coat of grease to the selected shim
washer, and install it.
Preload:............ 0.05...0.1 mm (0.0020...0.0039 in)
Installing housing cover
•
Lightly oil the lip and outer edge of the sealing
ring.
•
Using drift, BMW No. 33 1 870, and handle,
BMW No. 00 5 500, drive in the sealing ring.
•
Install O-ring and apply a light coat of oil/grease.
•
Heat housing cover to 80 °C (176 °F)/install.
•
Tighten retaining bolts in a crosswise pattern.
X Tightening torque:
Housing cover.............................................. 35 Nm
Installing splined element
•
Coat splines on input pinion with Staburags
NBU 30 PTM.
•
Fit sliding element to drive pinion.
•
Locate retaining ring with gentle blows (plastic
hammer).
a
00 2 550
KR330290
b
33 2 601
C330080
C330120
33 1 870
00 5 500
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