Pump enable key
Tank strainer
Maintenance
5-9
Part 1107600_03
2014 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 enable 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 gun and direct the hose into a waste container.
4. Close the pressure control valve by turning the valve all the way
clockwise. To access the pressure control valve, remove the exterior
base panels.
WARNING! Risk of burns! Wear protective equipment and use caution when
pumping hot material into a waste container.
5. Press the Pump enable key to start the pump
NOTE: The manual/gear‐to‐line switch must be in the manual (hand)
position and the motor (pump) speed dial must be at a setting other
than0.
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 gun.
10. Replace the adhesive filter. Refer to Replacing the Adhesive Filter earlier
in this section.
11. Fill the tank with fresh hot melt and then purge all of the hoses and guns
with the fresh hot melt.
12. Restore the system to normal operation.
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