171
m Drum Section
chap.4
(3) Adjusting the Master Clump
¡For removal.
When the master clump parallelism is not proper,
the master creases. When the master clump is not
flat, the master is easily removed and creases.
* Adjust the master clump with the set screw on the
operation side.
1. Adjusting the clump parallelism
Adjustment procedure
1) Loosen the set screws on the clump plate and
shaft to adjust the parallelism.
NOTE :
Loosen the set screw on the
operation
side to adjust.
But do not loosen the set screw on
the lever shaft.
IMPORTANT :
2. Adjusting the clump flatness
Adjustment procedure
1) Cut the master, leaving 20mm wide piece at
three places, both sides and center. Have the
clump plate grip the three sections.
2) When the resistance for pulling the master out
is not stable, rotate the clump screw to adjust.
(4) Adjusting the Master Clump Section
Adjustment procedure
1) Adjust with HELP mode 29 so that the clump
amount of the master (A section in the figure) is
0~2mm with the master attached.
2) After HELP 29 adjustment, press the master set
switch and perform master set movement once.
(Be sure to remove all paper scraps.) Then
perform platemaking, and check the gripper
margin.
Set screws
Clump plate
Clump plate
Clump plate
Rubber magnet
Torsion
Master
20mm
Master Master
Operation side
Lever shaft
Set screws (for adjustment)
shaft
\See page 139
20mm 20mm
HELP mode H-29 \ see p.251
Master clump
2mm
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