Filter
10-4
Part 1079832_04
E 2015 Nordson Corporation
Flushing a Filter
The filter should be flushed
S before initial use
S as needed to maintain your system pressure settings
S if the filter screen is replaced
S if you change the adhesive in your hot melt system
You will need a flat‐blade screwdriver and a drain pan.
1. Heat the system to application temperature.
2. Relieve system pressure. Refer to the previous procedure, Relieving
System Pressure.
3. Trigger the applicator solenoid valves briefly to relieve any remaining
pressure.
4. Shut off the module‐actuating air.
5. Decrease the pattern air pressure. Leave just enough air pressure to
prevent adhesive from entering the pattern air inlet.
6. Place a drain pan under the applicator drain valves. To determine the
location of the drain valves on your applicator, refer to the applicator
reference drawing in Applicator‐Specific Reference Drawings in
Section8, Parts.
7. See Figure 10‐2. Open all applicator drain valves.
8. Start the melter pump(s).
9. When the adhesive flowing from the drain valves is free of contaminants,
stop the melter pump(s).
10. Close the drain valves.
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