Oce 3121 Technical & Service Manual page 624

When the fixed pin touches the cam, raise the unit as shown. The weight of the
2
bins will move the pins into the grooves in the bin plates.
While holding the bin unit with one hand, turn the gear A to the left (arrowed
3
direction). Continue to turn the gear until the rolls of the No. 1 bin are located
above the cams.
Cam
Lead cam
Gear A
Gear A
Drive, rear
Rear drive assembly
ed.1 21 Sorter 411