Operating Instructions and Parts Manual
Troubleshooting Chart
| Symptom | Possible Cause(s) | Corrective Action | |
| No material flow | 1. Clogged nozzle/air cap | 1. Disassemble and clean | |
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| 2. Clogged cup pressure tube or fittings | 2. Disassemble and clean (a straight pin | |
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| can be used to clean fittings) | |
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| 3. Clogged gun | 3. Disassemble and clean | |
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| 4. Clogged material tube | 4. Disassemble and clean gun, and check | |
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| valve | |
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| 5. Cup seal leaking | 5. Inspect cup seal, cup cap, and clean or | |
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| replace as necessary | |
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| 6. Material not properly mixed, or | 6. Strain paint | |
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| improperly filtered |
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| Slow material flow | 1. Material too thick | 1. Clear material tube, gun, fittings, and | |
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| thin the material | |
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| 2. Improper material adjustment | 2. Adjust material control knob | |
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| 3. Wrong needle/nozzle | 3. Refer to material application chart for | |
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| correct needle/nozzle | |
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| 4. Air filter clogged | 4. Remove and replace air filter | |
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| 5. Material not properly mixed, or | 5. Strain paint | |
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| improperly filtered | 6. Raise material temp. to 60°F (15°C) | |
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| 6. Material too cold | ||
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| Material leak | 1. Cup or gun damaged | 1. Check cup gun and replace damaged | |
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| parts | |
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| 2. Loose packing | 2. Adjust packing nut | |
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| 3. Worn or damaged packing | 3. Remove and replace | |
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| 4. Worn or damaged cup seal | 4. Remove and replace | |
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| 5. Loose cup fittings | 5. Tighten | |
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| 6. Loose nozzle | 6. Tighten | |
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| 7. Wrong needle/nozzle assembly | 7. Refer to material application chart for | |
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| correct needle/nozzle | |
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| 8. Damaged needle | 8. Replace | |
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| 9. Loose material control knob | 9. Properly adjust by turning clockwise | |
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| 10. Cup seal leaking | 10. Clean and dry before use | |
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| Spray will not shut off | 1. Dirty needle | 1. Clean or replace needle | |
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| 2. Packing too tight | 2. Adjust packing nut | |
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| 3. Loose material control knob | 3. Tighten | |
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| Pulsating spray | 1. Cup seal or check valve leaking | 1. Disassemble and clean | |
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| 2. Packing improperly adjusted | 2. Adjust packing nut, or replace pack- | |
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| ing | |
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| 3. Loose fittings on cup or gun | 3. Tighten | |
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| 4. Loose air cap retainer ring | 4. Tighten | |
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| 5. Loose nozzle | 5. Tighten | |
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| 6. Damaged air flow ring | 6. Replace | |
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| 7. Material not properly mixed, or | 7. Strain paint | |
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| improperly filtered |
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| Excessive overspray | 1. Material too thin | 1. Check material viscosity (add non- | |
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| thinned material) | |
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| 2. Excessive air flow | 2. Adjust air flow | |
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| 3. Wrong needle/nozzle | 3. Wrong needle/nozzle assembly | |
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| 4. Gun too far from project | 4. Move gun closer to surface | |
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| 5. Spray blown by wind | 5. Move to an area without wind | |
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| 6. Excessive material flow | 6. Adjust material flow control knob | |
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| 7. Material not properly mixed, or | 7. Strain paint | |
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| improperly filtered |
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