Saab SONETT III Service Manual page 56

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Changing brushes
Min. length of the brushes is 0.354 in. (9 mm). If the al-
ternator is renovated the brushes shall be replaced if they
are under 0.551 in. (14 mm).
1. Mark the position of the tension lug on the drive
bearing housing. Undo the bearing housing retaining
screws and remove the rotor with the bearing hous-
ing from the stator.
2. Undo both nuts holding the rectifier bridge in place.
3. Undo the terminal screw of the connecting wire to
the brush unit assembly (see illustration).
(Later alternator models are fitted with AMP-connec-
tions.)
DISCONNECTING THE BRUSH UN1T ASSEMBLY WIRE
4. Undo the brush unit assembly retaining screws and
remove the assembly (see illustration).
UNSCREWING THE BRUSH UNIT ASSEMBLY
Nov. 1972
SAAB
321-6