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•Remove foreign objects from the stock. Make sure that any stock you process with the jointer is clean and free of any dirt, nails, staples, tiny rocks or any other foreign objects that may damage the jointer blades.
•Only process natural wood fiber through your jointer. Never joint MDF, particle board, plywood, laminates or other synthetically made materials.
•Make sure all stock is sufficiently dried before jointing. Wood with a moisture con- tent over 20% will cause unnecessary wear on the knives and poor cutting results.
•Make sure your workpiece exceeds the minimum dimension requirements (Figures 20 & 21) before edge jointing or surface planing, or it may break or kick back during the operation!
Squaring Stock
Squaring stock involves four steps performed in the order below:
1.Surface Plane On The
2.Surface Plane On a Thickness
flat with a thickness planer.
10" Min.
1" Min.
1⁄2" Min.
Figure 20. Minimum dimensions for edge
jointing.
Previously
Surface
Planed Face
3.Edge Joint On The
10" Min.
1⁄2" Min.
1" Min.
Figure 21. Minimum dimensions for surface
planing.
4.Rip Cut On A Table Saw—The jointed edge of the workpiece is placed against a table saw fence and the opposite edge cut off.
Previously
Jointed Edge
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G0609 12" Parallelogram Jointer |