Chemglass CLS-3869-100 - Manual (Page 4)

4
Alignment Notch
located in back of
drum Figure 3 - Accessory Drum
Place the drum over the Roller shaft - push and turn to lock into position
(See figures 3 & 4). To remove, grasp handle and gently pull drum away
from drive pin. Continue to pull until drum is completely removed from
shaft.
-Figure 4 - Rear of Drum
Close-up Alignment notch