Pump key
Tank strainer
Closing the pressure control valve
Maintenance
5-9
Part 1073401_07
E 2021 Nordson Corporation
To clean the tank of excessive char
1. Remove the old hot melt and loose char as follows:
a.. Operate the melter normally until the tank is empty.
b.. Press the Pump key to stop the pump.
c.. Allow the melter to heat or cool to the temperature recommended by
the manufacturer of the flushing material.
d.. While wearing the appropriate protective equipment, wipe any
residual hot melt and loose char from the inside of the tank.
e.. Remove the tank strainer, clean it with an appropriate flushing
material, and then reinstall it.
2. Add the appropriate type and quantity of hot melt solvent to the tank.
3. Disconnect a hose from a applicator and direct the hose into a waste
container.
4. Close the pressure control valve by turning the valve all the way
clockwise.
WARNING! Risk of burns! Wear protective equipment and use caution when
pumping hot material into a waste container.
5. Press the Pump key to start the pump.
6. When the tank is empty, stop the pump.
7. Fill the tank with fresh hot melt.
8. Repeat steps 5 and 6 to pump all of the hot melt out of the tank.
9. Reconnect the disconnected hose to its applicator.
10. Replace the filter. Refer to Replacing the Filter earlier in this section.
11. Fill the tank with fresh hot melt and then purge all of the hoses and
applicators with the fresh hot melt.
12. Restore the system to normal operation.
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