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5
5
Adjustments
Justagen
18
5.2
Pneumatic Adjustments
5.2.1
Control Valves
Fig. 20
Control valves
For adjustments of special applicator functions it's possible to switch the control valves direct by hand. .
Loosen screws (1) and remove cover (2).
It's possible to initiate the valves via integrated switches.
3-way valve (3) to control the lift cylinder
If the printer is switched on the valve will controlled by electronics and the tamp will hold in the upper end position
(take over position). If the valve switched the tamp will move in the labeling position. In normal operation the
movement back in the upper end position will start by a signal from labeling sensor.
i
Notice!
The switching by hand of this valve has only a result in case of a switched off printer.
When you switch the valve by hand over switch (6) the tamp will move down.
When you switch the valve by hand over switch (6) the tamp will move up.
Double 2-way valve (4) for blow air
In the operation mode "blow" the label will blow up to the product.
n the operation mode "tamp" and "roll" will switch on the blow air for a short time in the back movement. to clear the
tamp.
For all described Function both valves will controlled parallel.
In case of switching by hand via switch 8 or 9 will switch on the blow air only over one of the both internal valves.
Double 2-way valve (5) for vacuum / support air
The both internal valves switch on the vacuum generator to create a vacuum on the tamp and intended of this to
switch on the support air over the support air tube for a perfect label take over procedure..
With switch 10 you can switch the vacuum and with switch 11 you can switch the support air.
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