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. |