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Operators Manual
ALS 330/430
Release 4/06 Page 26 Operation
Mounting a new label roll on ALS 330 Euro
Mount the new label roll to the unwind mandrel and secure the position by means of the unwind
clamp. You achieve a reliable position of the unwind clamp by pressing it firmly against the
label roll core, while you are moving the lever 2 to the locking position.
Figure 9 Unwind unit at ALS 330 Euro
Mounting a new label roll on ALS 430
By means of the knurled screw the collapsible key can be moved further in or out for clamping
and releasing the label roll.
Figure 10 Unwind unit at ALS 430
The material brush has to be positioned in a way, that the material is kept tight. From time to
time, it is recommended to reverse the mounting of the brush while you are loading a new label
roll. Mount the label web through the label sensor. Remove the labels until about 50 cm of the
backing material is exposed. Thread this backing material around the drive and deviator roller.
Fold the end of the backing material back approximately 15 mm and insert the leading edge
into the slot of the rewind mandrel. Turn the lever, the rewind expands, the slot is closed and