GR SG9015799000000000 GR SG9015800000000000
Preset Plus Feeder
confidential
C.1.21
5.5 Forwarding suckers
1
2
43
Fig. 24 Adjusting the lifting sucker
1
2
Fig. 25 Reducing the forwarding sucker suction
air
The forwarding suckers (Fig. 22/4) take the sheet
that is raised by the lifting suckers.
Note
The forwarding suckers are suction-air
controlled. Always ensure smooth func-
tioning. Do not oil or lubricate them.
The distance between the forwarding suckers is
fixed.
Adjusting the height of the forwarding suckers
Adjust the height of the forwarding suckers during
sheet travel.
1. Select
D the drop height of the forwarding suckers
on O.S. via the lever (Fig. 24/3).
D the drop height of the forwarding suckers
on D.S. via the lever (Fig. 24/4).
The drop height of the forwarding suckers with
respect to the sheet must be approximately
4 - 5 mm.
Reducing the suction air for forwarding suckers
and lifting suckers
Note
Reduce the suction air volume only in
exceptional cases when you process
thin or porous paper. With reduced suc-
tion air there is the risk that the sheet is
not attached or is lost after it has been
sucked up.
1. Turn the clamp ring (Fig. 25/1) to adjust the
suction air to the printing material. The currently
selected vacuum is shown on the manometer
(Fig. 25/2).
Effect on the suction force:
Air is sucked through the opening, and the suc-
tion force of the lifting and forwarding suckers is
reduced. The suction force on lifting and for-
warding suckers falls as the visible opening in-
creases.
UTKSG9015030000000000007
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