Historique de l'étape n° 9 de

+	[* black] With the lens back plate removed, temporarily replace one of the 4 screws which secured it. It will not be possible to drive it fully home; only tighten it until resistance is felt.
+	[* black] Lift out the three zoom motor gears and put them aside.
+	[* black] Lift the lens off the bench and using a small flat screwdriver, gently turn the gear teeth which the last zoom motor gear engaged with until the lens is open approximately half way.
+	[* black] Now feed the two ribbons protruding through a slot in the barrel back into the lens.
+	[* black] Resting the lens face-down on the bench, retract it to the closed position by turning the gear teeth in the opposite direction. Remove the screw you temporarily reinserted.
+	[* black] Follow the reverse procedure for reassembly.