Troubleshooting
Problem | Cause | Solution |
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Pump cycles, but paint only dribbles | Pressure is set too low. | Slowly turn Pressure Control Knob |
or spurts when spray gun is trig- |
| (C) clockwise to increase pressure |
gered. |
| setting and verify if sprayer pressure |
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| increases. |
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| Spray tip is clogged. | Unclog spray tip, page 12. |
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| InstaClean fluid filter is clogged (XR | Clean or replace InstaClean fluid fil- |
| models only). | ter (E). |
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| Spray gun fluid filter is clogged. | Clean or replace gun fluid filter (V). |
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| Spray tip is too large or worn. | Replace tip. |
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Spray pattern is inconsistent or is | Pressure is set too low. | Turn Pressure Control Knob (C) |
leaving stripes. |
| clockwise, to increase pressure. |
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| Spray tip is worn beyond capability of | Replace spray tip. |
| sprayer. |
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Pressure is set at maximum but | Spray tip is too large for sprayer. | Select smaller spray tip. |
cannot achieve a good spray pattern. |
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Pressure is set at maximum but | Spray tip is worn beyond capability of | Replace spray tip. |
cannot achieve a good spray pattern. | sprayer. |
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| Extension cord is too long or not | Replace extension cord. Grounding |
| heavy enough gauge. | and Electrical Requirements, page |
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| 5. |
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Pressure is set at maximum but | Spray gun fluid filter is clogged. | Clean or replace spray gun fluid filter. |
cannot achieve a good spray pattern. |
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InstaClean fluid filter is clogged (XR | Clean or replace InstaClean fluid | |
| models only). | filter. |
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| Inlet screen is clogged. | Clean debris off inlet screen. |
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| Pump valves are worn. | Check for worn pump valves. |
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| a. Prime sprayer with paint |
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| b. Trigger gun momentarily. |
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| When trigger is released, |
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| pump should cycle |
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| momentarily and stop. IF |
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| pump continues to cycle, |
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| pump valves may be worn. |
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| Read Pump Check Valves, |
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| page 11. |
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When paint is sprayed, it runs down | Coat is going on too thick. | Move gun faster. |
the wall or sags. |
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| Choose a tip with smaller hole | |
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| size. |
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| Choose tip with wider fan. |
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| Make sure gun is far enough from |
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| surface. |
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When paint is sprayed, coat is not | Coat is going on too thin. | Move gun slower. |
covering. |
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| Choose tip with larger hole size. | |
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| Choose tip with narrower fan. |
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When paint is sprayed, coat is not | Coat is going on too thin. | Make sure gun is close enough to |
covering. |
| surface. |
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24 | 309225W |