33.20
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.
•
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 (0.00197...0.03937in)
Installing housing cover
•
Using drift, BMW No. 33 1 860, 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/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).
00 2 550
a
LT330260
33 2 601
b
LT330270
00 5 500
33 1 860
LT330280
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