Maintenance
Advanced Punch Service Manual © Copyright 2009 GBC. All rights reserved. 1-7
1.3.3 Die Set Inspection
Maintenance Schedule
Inspect every 500K cycles.
Replace as needed.
Procedure
Set the Die Set on a table and press the top plate straight down at both ends at
the same time [1] and look for a smooth operation. The top plate and pins should
retract fully when you release.
Figure 1.6 Check For Free Movement.
Reinstall the Die Set into the punch and run several sheets of the customer’s
paper through the punch. Inspect the holes.
• Holes should be clean and even with no tearing or frayed edges.
• Holes should be punched completely, leaving no chip attached.
• Holes should be straight (no skew) and evenly spaced from the edge of the
paper and aligned. See “Idler Roller Inspection and Cleaning” on page 1-20.
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