Piston down key
Operation
4-4
Part 1120277_01
E 2012 Nordson Corporation
Loading an Adhesive Slug (contd)
4. Remove the empty foil bag in the hopper and dispose it properly.
CAUTION! Do not remove an empty foil bag until a new bag is ready to load.
An adhesive slug must always be in place so that the melter is sealed and
the adhesive will not cure.
5. Inspect the melt plate for adhesive or debris on the outer diameter and, if
necessary, clean the surface with a plastic or wooden scraper.
NOTE: The outside diameter of the melt plate must be clean in order to
create a proper seal with the new slug's foil bag.
6. Cut a circle in the bottom of the foil bag to allow adhesive to flow into the
melter. Size the hole according to adhesive usage rates, smaller holes for
low usage, larger holes for high usage. Leave a minimum of 20 mm
(0.8 in.) even at the highest flow rates so that a seal is able to form
between the melt plate and bag.
7. Load the adhesive slug into the hopper and close the lid.
8. Press the Piston down key to lower the piston.
NOTE: The Piston down key only activates the piston if the piston is in
place(PIP)overthehopper.Ifthepiston is in place, it applies downward
force for 30 seconds after the Piston down key is pressed. After
30 seconds, the downward force is turned on and off by the
melt-on-demand sensor functionality.
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