Gege Blog 9.1 Dynamo Engine A (f).PDF
The rear flange into which a bearing is inserted
Therefore, the dynamo drive plate must be removed from the end of the crankshaft to be able to install this bearing :
once again, the parts drawing of the dynamo is totally lacking on this subject, this plate is mounted on the axis of the conical
armature with a key. And when you don't know it (like me), you try to pull it ... and it works! By the way, the nut was missing!