Paxar Rewind Monarch 415 Operator's Handbook Manual page 19

15. Hold the second separator disk with the inside notch up
(in line with the core lock) and slide it onto the hub (Figure
16).
16. Place the third core over the core lock and slide it onto the
hub.
Notch in
Disk
5. Burster Option Setup and Operation
Core Lock
Figure 16
Second Separator
Disk
Third
Core
15