Troubleshooting
Symptom | Possible Cause | Solution | ||||||||||
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Fluttering or | 1. Dry or worn fluid tip seat per- | 1. | Tighten fluid tip or replace | |||||||||
Spitting spray. |
| mits air to seep into fluid pas- |
| seat with new one. | ||||||||
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| 2. | Material level too low. | 2. | Add material. |
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| 3. | Fluid tip or strainer obstructed. | 3. | Clean |
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| 4. | Dry needle packing. | 4. | Lubricate needle. |
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Uneven top or | 1. Atomizing cap holes are | 1. | Clear holes. | |||||||||
bottom pattern. |
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| 2. | 2. | Clean. | |
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| fluid tip. |
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| 3. | 3. | Clean. | |
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| on needle seat. |
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Right or left arc | 1. Left or right side horn holes | 1. | Clear holes. | |||||||||
pattern. |
| are plugged. |
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| 2. | 2. | Clean. | |
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| fluid tip. |
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| 3. | 3. Clean. | ||
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| atomizing cap. |
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Heavy deposit of | 1. The material flow exceeds the | 1. | Lower fluid flow. | |||||||||
material in center. |
| atomizing cap capacity. |
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| 2. | Inlet air pressure is too low. | 2. | Increase inlet air pressure. |
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| 3. | Material is too thick. | 3. | Thin material. |
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Narrow center | 1. Volume control turned in too | 1. | Increase volume. | |||||||||
pattern. |
| far. |
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| 2. | Inlet air pressure too high. | 2. | Reduce inlet air pressure. |
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| 3. | Fluid pressure is too low. | 3. | Increase fluid pressure. |
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| 4. | Material is too thin. | 4. | Adjust material. |
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No spray output. | 1. No pressure at gun. | 1. | Check air supply. | |||||||||
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| 2. | Fluid passages dirty. | 2. | Clean gun, remove any |
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| obstructions. |
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| 3. | Fluid control closed. | 3. | Open. |
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| 4. | Out of paint. | 4. | Refill. |
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Nailer does not | 1. Nail is jammed in magazine or | 1. | Clear nailer magazine or dis- | |||||||||
fire. |
| discharge area. |
| charge area. | ||||||||
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| 2. | Piston shaft is damaged. | 2. | Replace piston shaft. |
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| 3. | Air pressure too low. | 3. | Check/increase air pressure. |
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Model H7669 HVLP Spray Gun |
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