Troubleshooting
Troubleshooting
Check all possible problems before disassembling the ram, pump, or platen. Refer to Xtreme Pump Packages man- ual 311762 for pump troubleshooting.
Ram
Problem | Cause | Solution | |
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Decreasing spraying pressure or | Material beginning to cure in lines. | Flush immediately. | |
poor spray pattern. |
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Ram will not raise or lower. | Closed air valve or clogged air line. | Open, clear. | |
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| Not enough air pressure. | Increase. | |
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| Worn or damaged piston. | Replace. See Supply Unit Repair | |
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| on page 20. | |
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| Hand valve closed or clogged. | Open, clear. | |
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Ram raises and lowers too fast. | Air pressure is too high. | Decrease. | |
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Air leaks around cylinder rod. | Worn rod seal. | Replace. See Supply Unit Repair | |
|
| on page 20. | |
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Fluid squeezes past ram plate wip- | Air pressure too high. | Decrease. | |
ers. |
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Worn or damaged wipers. | Replace. See Remove and Rein- | ||
| |||
|
| stall Wiper on page 14. | |
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| |
Pump will not prime properly or | Closed air valve or clogged air line. | Open, clear. | |
pumps air. |
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Not enough air pressure. | Increase. | ||
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| Worn or damaged piston. | Replace. See pump manual. | |
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| Hand valve closed or clogged. | Open, clear. See Platen Mainte- | |
|
| nance on page 13. | |
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| Hand valve is dirty, worn, or dam- | Clean, service. | |
| aged. |
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Air assist valve will not hold drum | Closed air valve or clogged air line. | Open, clear. See Platen Mainte- | |
down or push plate up. |
| nance on page 13. | |
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| Not enough air pressure. | Increase. | |
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| Valve passage clogged. | Clean. See Platen Maintenance on | |
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| page 13. | |
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16 | 3A2798D |
