Operation
4-10
Part 1604857-04
E 2014 Nordson Corporation
Changing Flat Spray Nozzles
WARNING: Release the spray gun trigger, put the controller to sleep, and
ground the electrode before performing this procedure. Failure to observe
this warning could result in a severe electrical shock.
NOTE: The tapered electrode holder of the electrode assembly has been
designed for optimized cleaning during color changes on systems using flat
spray nozzles. This tapered electrode holder will not accept conical
deflectors.
1. Purge the spray gun and press the Enable/Disable button to put the
controller to sleep in order to prevent accidental gun triggering.
2. See Figure 4-7. Unscrew the nozzle nut counterclockwise.
3. Pull the flat spray nozzle off the electrode assembly.
NOTE: Re-install the electrode assembly if it comes out of the powder
outlet tube.
4. Install a new nozzle on the electrode assembly. The nozzle is keyed to
the electrode assembly. Do not bend the antenna wire.
5. Screw the nozzle nut onto the gun body clockwise until finger-tight.
6. Press the Enable/Disable button to wake up the controller.
NOTE: To clean nozzles, use the Recommended Cleaning Procedure for
Powder Contact Parts on page 4-13.
Nozzle Nut Flat Spray Nozzle Electrode Assembly
Figure 4-7 Changing a Flat Spray Nozzle
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