| Problem |
| Possible Cause | Possible Remedy |
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| View first 5 possible causes | View first 5 possible |
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| for “Machine blocks or | remedies of “Machine blocks |
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| switches itself off” | or switches itself off” |
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| Screen perforation too small. | Insert a screen with larger |
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| perforation. | |
| Overheating of the shredded |
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| Modify cutter finish only | ||
| material. |
| Cutters wrongly sharpened. | |
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| after consulting the | ||
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| service department. |
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| Material rubs against the | Fit |
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| housing wall. | |
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| Insufficient cooling. | Fit rotor cooling. |
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| Rotor out of balance. | Weight cutters, balance |
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| rotor. | |
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| Unusual vibrations. |
| Bearing damage. | Check bearings and replace |
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| if necessary. | ||
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| Check mounting pads and | |
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| replace if necessary. | |
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| Bearing damage. | Check bearings and replace |
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| if necessary. | |
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| Cutter finish. | Check cutter and sharpen or |
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| replace if necessary. | |
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| Extreme cutter wear. |
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| Wrong cutting gap. | Check cutting gap and set | |
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| following the instructions in | |
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| this manual. |
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| Foreign matter. | Fit feed device with metal |
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| detector. | |
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| Too much grease in bearing. | Reduce amount of grease. |
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| Reduce tension. | |
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| Bearings too hot. |
| Rubbing on housing sealing | Check sealing ring and oil or |
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| ring. | replace. | |
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| Bearing damage. | Check bearings and replace |
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| if necessary. | |
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| No grease in bearing. | Lubricate bearing. |
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| Screen worn. | Renew screen (possibly |
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| using manganese steel). | |
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| Replace screen after |
| Too many fines in shredded |
| consulting the service | |
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| department. | ||
| material. |
| Unsuitable screen | |
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| perforation. |
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Chapter 6: Troubleshooting | 55 of 85 |