![background image](http://html1.mh-extra.com/html/gbc/advancedpunch/advancedpunch_technical-and-service-manual_571056054.webp)
Section 2
2-10
© Copyright 2009 GBC. All rights reserved.
Advanced Punch Service Manual
2.7.2 Back Gauge
2.7.3 Die Set
Under normal conditions, the Advanced Punch may experience one paper jam in
5000. Excessive paper jams, such as one in every 1000, requires servicing. The
cause may be the Die Set.
Table 2.2Back Gauge Troubleshooting
Symptom
Probable Cause
Corrective Action
Deep punch or angled deep
punch from leading edge of
the paper.
Broken weld on paper stop, Back Gauge
paddle.
Replace the unit.
Refer to section 4.8.3
Broken or missing Back Gauge linkage
springs.
Replace the Back Gauge assembly as
explained in section 4.8
Cannot remove the Die Set.
Back Gauge paddle is not in the fully
opened position and is contacting the Die
Set.
Turn the Punch Cycle Knob to ensure the
punch drive indicator is lined up with the
position indicator.
Broken weld on paper stop, Back Gauge
paddle.
Replace the unit.
Refer to section 4.8.3
Broken or missing linkage spring or springs. Replace the spring. See
Solenoid plunger stuck.
Clean the solenoid. See
“Back Gauge
Solenoid Inspection and Cleaning”
in
Section 1.4.11
.
Solenoid plunger worn.
Replace Back Gauge. See
“Back Gauge
Assembly”
in Section 4.8.
Punches occur 2 to 4” into the
sheet.
One or more broken or missing linkage
springs.
Replace the Back Gauge assembly as
explained in section 4.8
Back Gauge paddle is not fully closing,
leaving a gap that the paper can slip
through especially when using paper with
heavy curl.
Adjust Back Gauge adjustment. See “Back
Gauge Assembly Adjustment” on page 4-
48.
Table 2.3Die Set Troubleshooting
Symptom
Probable Cause
Corrective Action
Excessive
paper jams.
.
Paper does not exit after being
punched.
Worn Die Set.
Replace Die Set if it is worn out, greater
than 500K cycles.
Defective Die Set.
Replace.
Excessive oil on punch pins. Chad and
paper dust sticks to the punch pin tip.
Clean pins to remove excess oil. Lubricate
with approved lubricants only.
Refer to
Section 1.3.4.
Floating pressure bar not retracting.
Replace pressure bar springs when
applicable. See “Floating Pressure Bar
Spring Replacement” on page 1-7.
Summary of Contents for AdvancedPunch
Page 1: ...Document 7712571 Rev C1 23 08 2013 AdvancedPunch Technical Service Manual ...
Page 143: ...Section 5 5 4 Copyright 2009 GBC All rights reserved Advanced Punch Service Manual ...
Page 144: ...Parts List Advanced Punch Service Manual Copyright 2009 GBC All rights reserved 5 5 ...
Page 149: ...Section 5 5 10 Copyright 2009 GBC All rights reserved Advanced Punch Service Manual ...
Page 150: ...Parts List Advanced Punch Service Manual Copyright 2009 GBC All rights reserved 5 11 ...
Page 199: ...Section 8 8 4 Copyright 2009 GBC All rights reserved Advanced Punch Service Manual 2 1 ...
Page 201: ...Section 8 8 6 Copyright 2009 GBC All rights reserved Advanced Punch Service Manual 2 1 2 1 2x ...