Kodak A-61003 - Manual (Page 44)

A-61003 September 1993 FB-4
12. Thread the film around the guide roller, drive roller, and
idler roller, following the path indicated by the threading
arrows inside the film cassette.
13. Fold back approximately 1/2 inch (1 cm) at the end of the
film.
14. Pick up the take-up spool and hold it with the number 1
side up.
15. Insert the folded end of the film into the slot in the take-up
spool core.
16. Rotate the spool counterclockwise to secure the film on the
spool.