Operation
4-8
Part 1602221-01
E 2012 Nordson Corporation
NOTE: The purge air only cleans the spray gun powder path. To purge the
powder hose, disconnect it from the pump and the gun, place the gun end
inside the booth, and blow it out from the pump end with compressed air.
Cleaning Flat and Corner 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.
1. Purge the spray gun and press the Enable/Disable button to put the
controller to sleep and prevent accidental gun triggering.
2. See Figure 4-6. Unscrew the nozzle nut (1) counterclockwise.
3. Pull the nozzle nut and flat spray nozzle (2) off gun. Remove the nozzle
from the nut and clean both with low-pressure air and clean cloths.
Replace if worn or damaged.
4. Pull the electrode support assembly (3−7) out of the gun. Use
low-pressure compressed air to clean the assembly. Inspect the sleeve
inside the support and replace it if worn or damaged. Refer to Electrode
Support Repair in the Repair section.
5. Inspect the sleeve (3), and electrode holder (4). If either is worn or
damaged, replace them with the flat spray electrode holder kit.
a. Unscrew the electrode holder and sleeve from from the ceramic
spider (7).
b. Install the new electrode (5) in the new holder, then screw the holder
into the ceramic spider. Slide the sleeve over the electrode holder.
6. Install the nozzle onto the electrode support (6), then screw the nozzle
nut onto the gun body clockwise until finger-tight.
7. Press the Enable/Disable button to wake up the controller and resume
operation.
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