Operation
4-11
Part 1604857-04
E 2014 Nordson Corporation
Changing Conical Nozzles and Deflectors
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 electrode assembly shipped with the gun is fitted with a
tapered electrode holder that will not accept a conical deflector and must be
changed prior to using the conical nozzle and deflector. Follow the
instructions in the conical nozzle kit shipped with the gun for this conversion.
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 4-8. Gently pull the deflector off the electrode assembly. If
only changing the deflector, install the new one on the electrode
assembly, being careful not to bend the electrode wire.
3. To change the entire nozzle, unscrew the nozzle nut counterclockwise.
4. Pull the conical nozzle off the electrode assembly.
NOTE: Re-install the electrode assembly if it comes out of the powder
outlet tube.
5. Install a new conical nozzle on the electrode assembly. The nozzle is
keyed to the electrode assembly.
6. Screw the nozzle nut onto the gun body clockwise until finger-tight.
7. Install a new deflector on the electrode assembly. Do not bend the
electrode wire.
8. 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.
Deflector
Nozzle Nut
Nozzle
Conical Electrode Holder
Electrode
Assembly
Figure 4-8 Changing a Conical Nozzle
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