Troubleshooting
NOTE: Check all possible solutions before disassembling the pump.
Problem | Cause | Solution |
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Uneven spray pattern | Bead pressure too low | Increase pressure to bead tank, or |
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| adjust bead pressure regulator |
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Spray gun will not stop spraying | Gun needle binding | Clean, repair |
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| Obstructed or worn needle seat | Clean or replace |
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Spray gun will not spray | Bead line clogged | Clear |
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| Bead valve closed | Open |
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| Clogged orifice or needle seat | Clean |
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| No trigger or actuator air pressure | Check, clean air lines |
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| Wet beads | Drain beads from tank and replace |
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| with dry beads. |
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