FOCKE MELER GLUING SOLUTIONS
5-8
MAINTENANCE
4. The amplifier that adjusts the sensor´s sensitivity is located in the control
cabinet.
This amplifier has two states indicated with two different LED colours (1):
• Green: no adhesive (empty).
• Yellow: there is adhesive (full).
5. Remove the plastic plug of the amplifier to access the sensitivity
adjustment potentiometer (2) and turn the adjusting screw at least 3 turns
counterclockwise. The LED must be green.
6. With the sensor still covered by melted adhesive, gently turn the adjusting
screw clockwise, just until the LED turns yellow (sensor activated).
7. Gently turn the adjusting screw ¼ turn counterclockwise. The LED will
change back to green.
1
1
2
2
Empty
Full
Verification of the sensor regulation
1. Increase slightly the adhesive level of the tank. The LED should change to
yellow.
2. Decrease the adhesive level of the tank. As soon as the detector is visible,
the LED should change to green.
It is recommended to carry out a verification of the signals once the equipment
is in automatic operation.
In NS+ melters, check which cylinder pushes the adhesive block when the
amplifier LED shows the green colour and stops pushing when it is yellow
colour
Содержание PS 20 NON STOP+
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Страница 81: ...ELECTRICAL DRAWINGS 7 1 MA 5195 ENG PS20 NON STOP DRUM UNLOADER MANUAL 7 ELECTRICAL DRAWINGS ...
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