Long Cover Hook
Cross Section Double Seam Defects - Cause & Remedy
Long Cover Hook
Probable Cause Suggested Remedy
1st Operation Seaming Roll too tight Make adjustments. See Parts List Instructions or Service Manual for procedures
1st Operation Seaming Roll groove profile may be too narrow Replace 1st Operation Seaming Roll with a Roll having a wider groove profile
Excessive seaming stock caused by too large a cutting edge diameter in manufacturer of cover Discuss with Can Manufacturer
Shallow Countersink dept caused by a worn or incorrect Seaming Chuck Replace the Seaming Chuck following procedures outlined in the Parts List Instructions or Service Manual.
Short Body Hook created by insufficient Lower Chuck Spring Pressure Body Hook will affect the Cover Hook. Increase Lower Chuck Spring Pressure to obtain proper Body Hook.