Oce 3121 Technical & Service Manual page 360

Remove the gear while unlocking it.
7
.
Remove the grip ring (11), and remove the bush (12).
8
(12)
Detach the spring (13) and remove the screw (14). Then, remove the strip (15).
9
ed.1
(11)
(15) (14)
(13)
10 RDF 425