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| Troubleshooting | ||
SYMPTOM |
| POSSIBLE REASON |
| HOW TO REMEDY |
Chipping occurs on workpiece. | 1. | Grain direction incorrect or knots in | 1. | Feed workpiece with the grain. Inspect stock for knots or |
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| workpiece. |
| try again with different stock. |
| 2. | Dull knives. | 2. | Replace or sharpen knives. |
| 3. | Too fast of a feed rate. | 3. | Feed the workpiece at a slower rate. |
| 4. | Too deep of cut. | 4. | Decrease depth of cut. |
Grain is fuzzy after jointing. | 1. | Wood may have high moisture con- | 1. | Allow wood to dry. |
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| tent. Check with moisture meter. |
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| 2. | Dull knives. | 2. | Replace or sharpen knives. |
| 3. | Wood is figured or is a species that | 3. | Use different wood or plan on extra sanding. |
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| has naturally fuzzy characteristics. |
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Lines or ridges in board. | 1. | Nicked or chipped knives. | 1. | Inspect and replace or sharpen knives. |
Uneven knife marks on board. | 1. | One or more knives out of adjust- | 1. | Reset/adjust knives in cutterhead. See page 17. |
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| ment. |
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Wavy surface or chatter marks on | 1. | Too fast of a feed rate. | 1. | Feed the workpiece at a slower rate. |
board. | 2. | One or more knives out of adjust- | 2. | Reset/adjust knives in cutterhead. See page 17. |
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| ment. |
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Edge is concave or convex after | 1. | Workpiece not held with even pres- | 1. | Hold workpiece with even pressure as it moves through |
edge jointing. |
| sure on infeed and outfeed table. |
| the cutterhead. See “Edge Jointing” on page 24. |
| 2. | Workpiece began too uneven. | 2. | Take partial cuts to remove extreme high spots before |
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| doing a full pass. |
| 3. | Workpiece has excessive bow or | 3. | Surface plane one face so there is a good surface to posi- |
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| twist along its length. |
| tion against the fence. |
| 4. | Insufficient number of passes. | 4. | Three to five passes may be needed to achieve a perfect |
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| edge, depending on starting condition and depth of cut. |
| 5. | Outfeed table not properly aligned | 5. | Set outfeed table even with cutterhead knife at top dead |
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| with cutterhead. |
| center. See page |
Workpiece tapered after jointing. | 1. | Outfeed table set too low. | 1. | Set outfeed table even with cutterhead knife at top dead |
MAINTENANCE |
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| center. See page |
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| Feed Direction |
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Outfeed |
| Infeed |
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| Table |
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Table |
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Cutterhead Rotation |
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Outfeed table set too low.
Outfeed table set too high.