Piston down key
Maintenance
5-10
Part 1120277_01
E 2012 Nordson Corporation
Cleaning the Piston
1. Operate the melter normally until the reservoir is empty.
2. Press the Pump enable key to stop the pump.
3. Allow the melter to cool to the temperature recommended by the
manufacturer of the adhesive or flushing material.
4. Remove the service covers. Refer to To remove and replace service
covers earlier in this section as needed.
5. Disconnect the melt plate heater.
6. SeeFigure5-2.Disengagethefourhopper/meltplateassemblyclamps.
7. Lift the hopper/melt plate assembly above the clamps and remove it
through the open side of the melter.
WARNING! Risk of personal injury. Keep hands away from the moving
piston.
8. Close the lid.
9. Use the manual cylinder override on the top solenoid valve to lower the
piston.
10. If the adhesive is cool, try to peel it from the release-coated parts. If the
adhesive is hot, use a wooden or plastic scraper to remove it.
11. Restore the system to normal operation.
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