Saab 900 Service Manual page 92

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. 7 Clean the crankshaft and hub assembly.
MEtke sure that the key is fitted properly in
the keyway in the shaft.
Refit the same number of shims.
8 Refit the centre nut and tighten it to a torque
of 15 Nm (11.0 Ibfft).
9 Check, the cJemrance between the hub as-
sembly / anlfithe pulley assembly. The clear-
,
ance should be between 0.30 and 0.70 mm.
If the clearance is not within the specified limits,
remove the hub assembly and adjust the number
of shims.
(It should be possible to insert a 0.3 mm feeler
gauge freely all the way round; a 0.6 mm feeler
gauge should be a tight fit.)
To change the shaft seal, Clarion com-
pressor
1 Do not remove the crankshaft seal unless
there is a gas leak or the cylinder head has
been removed. When removing the seal,
take care not to scratch it or damage it.
2 Use a screwdriver to remove the key from the
keyway in the crankshaft.