If the 1st operation seam is too loose, the Cover Hook will be away from the can body having a noticeable gap all around. There may not be enough of the cover curled up inside to create a sufficient Cover Hook and Overlap.
|Probable Cause||Suggested Remedy|
|1st Operation Seaming Roll too loose||Tighten 1st Operation Seaming Roll. See Parts List & Instructions or Service Manual for adjustment procedures|
|1st Operation Seaming Roll groove profile worn||Replace the 1st operation Seaming Roll|
|1st Operation Seaming Roll groove profile too wide||Replace 1st Operation Seaming Roll with a narrow groove profile.|