Trouble
Cutter not cutting properly.
Dovetailed parts fit too tightly.
Dovetailed parts fit too loosely.
Cutter sometimes slips and misses revolutions.
Dovetailed parts fit side to side, but have depth gaps between the mortise and tenon cuts.
A gap between mortise and tenon cuts increases along the dovetailed corner.
Side piece edge is not aligned with front/back piece edge.
Workpiece slips during the cut.
Probable Cause | Remedy |
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Cutter in wrong position. | Turn cutter towards the (+) or |
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Cutter dull or damaged. | Sharpen or replace cutter [page 19]. |
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Cutter not adjusted | Loosen set screws and turn cutter toward the (+) |
properly. | mark. Retighten set screws [page 18]. |
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Cutter not adjusted | Loosen set screws and turn cutter toward the |
properly. | mark. Retighten set screws [page 18]. |
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Drive belt tension incorrect. | Adjust drive belt tension [page 19]. |
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The mortise depth or tenon | Change depth of mortise cut or thickness of tenon |
thickness is set incorrectly. | cut by using the adjustment screw [page 17 & 18]. |
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Boards not square when | Make sure the initial cuts on the board (ripping |
clamped. | and/or crosscutting) have been done squarely, and |
| that the board is flush against the stop before |
| clamping. |
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Fences not set correctly. | Offset the vertical fence from the horizontal fence |
| by half the pitch of the cut [page 16]. |
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Clamping cylinder not | Position clamping cylinder to take advantage of its |
positioned over center of | full surface area [page 13]. |
workpiece. |
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Clamping cylinder too high | Lower clamping cylinder in relation to thickness of |
to properly contact | workpiece [page 12]. |
workpiece. |
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Clamping pressure too low. | Adjust pressure at air regulator [page 13]. |
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Surface area of workpiece | Use larger workpiece. |
too small to achieve |
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adequate coverage from |
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clamping cylinder. |
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