Nordson Versa-Spray II, Customer Product Manual

Page: 23 / 64

Troubleshooting
5-3
Part 107016-02
E
2016 Nordson Corporation
Continuity and Resistance Checks
WARNING: Do not operate the spray gun if the resistor and multiplier
resistances are not within the ranges specified in this manual. Failure to
observe this warning may result in personal injury, fire, and property
damage.
Multiplier/Resistor Assembly Continuity and Resistance Check
See Figure 5-1.
1. Disconnect the powder feed hose and gun cable from the spray gun.
Remove the feed hose adapter (7) from the powder inlet body (2).
2. Loosen the set screw (8) in the underside of the powder inlet body with
a flat-bladed screwdriver. Remove the powder inlet body and nozzle (1).
Slide the wear sleeve (3) off the resistor probe (5).
3. Wipe powder off the electrode (4), resistor probe (5), and multiplier (6).
Inspect the exterior and interior surfaces. Replace any parts that have
burn holes or arc tracks.
1400414B
1
2
3
4
5
6
7
8
Figure 5-1 Preparing for Continuity and Resistance Checks
1. Flat-spray nozzle
2. Powder inlet body
3. Wear sleeve 4. Electrode
5. Resistor probe
6. Multiplier 7. Feed hose adapter
8. Set screw