Symptom | Possible Cause | Solution |
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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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| 5. | Material too thick. | 5. | Thin to manufacturer's rec- | |||||
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Excessive over- | 1. | Fluid pressure too high. | 1. | Reduce fluid pressure. |
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spray. | 2. | Gun is too far from surface. | 2. | Keep gun at recommended | |||||
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| distance. |
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| 3. | Spraying too fast. | 3. | Slow | down | and | maintain | ||
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| consistent, |
| even | parallel | ||
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| stroke. |
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Unable to control | 1. | Pattern adjustment screw is not | 1. | Clean or replace. |
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spray fan. |
| seating properly. |
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| 2. | Atomizing cap is loose. | 2. | Tighten atomizing cap. |
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Runs and sags. | 1. | Damaged seal. | 1. | Replace damaged seal(s). | |||||
| 2. | Too much fluid output. | 2. | Use fluid control to reduce | |||||
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| flow. |
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| 3. | Keeping gun in one place too | 3. | Keep gun moving at a | |||||
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| long. |
| steady pace. |
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Material leaks from | 1. | Cap not secure. | 1. | Tighten. |
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cup. | 2. | Cup not tight on gun body. | 2. | Tighten. |
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| 3. | Leaking from cap vent hole. | 3. | Hold gun upright do not tilt. | |||||
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Material leaks from | 1. | Fluid tip loose. | 1. | Tighten. |
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gun. | 2. | Dry or damaged seals. | 2. | Replace seals. |
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| 3. | Excessive pressure. | 3. | Reduce pressure. |
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Thick dimpled fin- | 1. | Holding gun too close to sur- | 1. | Spray at recommended dis- | |||||
ish: orange peel |
| face. |
| tance. |
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appearance. | 2. | Inlet air pressure too low. | 2. | Check inlet air pressure. | |||||
| 3. | Material not properly mixed. | 3. | Follow | manufacturer's | ||||
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| instructions. |
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| 4. | Surface is dirty or oily. | 4. | More | surface | prep | is | ||
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| required. |
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Dry spray. | 1. | Inlet air pressure too high. | 1. | Lower inlet air pressure. |
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| 2. | Gun too far from surface. | 2. | Keep gun at recommended | |||||
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| distance. |
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| 3. | Gun stroke too fast. | 3. | Slow | down | and | maintain | ||
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| consistent |
| even | parallel | ||
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| stroke. |
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Contaminated | 1. | Water or oil in the air line. | 1. | Install an | |||||
paint: fish eye |
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| 2. | Replace air line. |
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appearance. |
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Model T23092 |