Filter
10-6
Part 1079832_04
E 2015 Nordson Corporation
Replacing a Filter Screen
Replace the filter screen when the flushing the filter screen no longer solves
the problem of diminished adhesive flow or pressure buildup in the system.
For most applications, the filter screen should be replaced monthly. You will
need the following items:
S drain pans and disposable rags
S flat‐blade screwdriver
S socket wrench
S replacement filter screen
S replacement filter O‐ring (if needed)
Remove the Filter
1. Heat the system to application temperature.
2. Relieve system pressure. Refer to Relieving System Pressure earlier in
this section.
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. See Figure 10‐3. Using your hand or an appropriate tool, simultaneously
press the filter in and turn it counterclockwise; then remove the filter.
NOTE: A special tool is available to facilitate filter removal. This tool has
a filter‐removal end and a nut‐driver end and can be used for all
applicator‐related service activities. For the tool part number and
illustration, refer to Recommended Spare Parts and Supplies under
Parts.
NOTE: If the filter is stuck, grasp it with a pair of pliers to remove it.
NOTE: To continue operation immediately, skip to Install the Filter to
install a new filter assembly.
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