Troubleshooting
Troubleshooting
Problem | Cause | Solution |
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Gun fails to dispense when trigger is | Material lodged in nozzle | Follow Pressure Relief Procedure, |
actuated |
| page 5. Clear nozzle of blockage. |
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| Material supply, hose, passages, | Check material supply settings, |
| clogged | hoses, etc. for proper material supply. |
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| Verify integrity of trigger pin through |
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| yoke. Repair or replace cartridge |
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| assembly as necessary. |
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Gun fails to dispense when trigger is | Tension of trigger needs adjustment | Check spring tension adjustment at |
engaged |
| rear of gun. Spring tension should be |
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| adjusted to allow approximately 1/32 |
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| in. of free play on trigger. |
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| Verify integrity of trigger pin through |
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| yoke. Repair or replace cartridge |
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| assembly as necessary. |
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| Needle and seat adapter loose or | Check that seat adapter is tightened |
| worn | firmly and flush to gun body. |
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| Needle and seat adapter worn. |
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| Replace components as necessary. |
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Seal leakage | Packing adjustment nut not snug | Follow Pressure Relief Procedure, |
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| page 5. Tighten packing adjustment |
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| nut. |
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| Worn seals and packings | Rebuild gun as necessary. |
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Material leaks from gun inlet swivel | Worn seals | Replace seals. |
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6 | 309739 |
