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| Troubleshooting |
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Problem | Cause | Solution |
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Gun spitting. | Air getting into paint stream. | Check if fluid source is empty |
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| and fill. |
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| Tighten fluid nozzle (4). |
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| Check fluid nozzle |
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| damage. |
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| Check fluid nozzle (4) for dam- |
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| age. |
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Will not spray. | Fluid control valve (11) turned | Adjust fluid control valve (11) |
| too far clockwise. | counterclockwise. |
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| Fluid source empty. | Refill. |
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Excessive air blowing back. | Loose fluid nozzle (4). | Tighten fluid nozzle (4). |
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| Damaged fluid nozzle seal (3). | Replace seal (3). |
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Gun fluid pressure is too high | Using needle/nozzle kit with | Use needle/nozzle kit with |
with gun triggered (cannot | too small orifice. | larger orifice. |
achieve desired flow rate). |
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Using a low fluid pressure set- | Using needle/nozzle kit with | Use needle/nozzle kit with |
ting, the fluid flow is too high, | too large orifice. | smaller orifice. |
making it necessary to restrict |
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needle travel to reduce fluid |
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flow. |
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Fluid system will not operate at | There is no fluid regulator, or | Add low pressure fluid regula- |
low enough pressure [below | air regulator is not sensitive | tor, or add more sensitive low |
10 psi (70 kPa, 0.7 bar)]. | enough at low pressure. | pressure air regulator. |
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Fluid flow is fluttering while | Fluid source empty. | Refill. |
spraying. |
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313869B | 23 |
