Graco ToughTek CM20 Operation Manual page 13

12. Reinstall the mixing tube assembly onto the throat
insert. Ensure the pins (FBB) on the mixing shaft
(FB) line up with the slots in the material dosing
shaft (FD).
3A5202F
NOTE: Hopper lid accessory (17T019) can be used to
keep excess material in hopper dry.
Operation
13