How to Replacement DeWalt 733 Planer Blades

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A benchtop thickness planer is an essential tool for any serious woodworker. With a 12 1/2-inch width capacity and three-blade cutting head, the DeWalt 733 benchtop thickness planer makes easy work of planing lumber for cabinetmaking, finish work or furniture projects. Quick, accurate surface planing depends on the DeWalt 733's hardened steel blades. When the blades need to be changed, the procedure common to all DeWalt planers is easy to complete.

Step 1

Disconnect the DeWalt 733 planer from the power source.

Step 2

Raise the planer thickness adjustment arm to a setting of approximately 1 1/2 inches, and lock it in place.

Step 3

Remove the cutting-head cover from the rear of the planer by loosening the knob screw at each side.

Step 4

Slowly rotate the cutting-head cylinder to expose the nearest cutting-blade set screws.

Step 5

Loosen the four cutting-blade set screws, using a DeWalt planer wrench or a 5/32-inch Allen wrench. Only loosen the set screws about a half-turn counterclockwise to free the cutting blade. It is neither necessary nor recommended that the set screws be removed for this procedure.

Step 6

Lift the old cutting blade out of the cutting-head cylinder. Caution should be used in handling the old and new cutting blades to avoid injury from their extremely sharp edges.

Step 7

Insert the new planer cutting blade into the cutting blade slot, and press down to ensure it is fully seated in the opening. Make certain the beveled side of the cutting blade's edge is upward and facing the rear of the saw body.

Step 8

Tighten the four cutting-blade set screws, using a DeWalt planer wrench or a 5/32-inch Allen wrench.

Step 9

Rotate the cutting-head cylinder forward to access the next cutting blade and repeat Steps 5 through 8 to replace the remaining two cutting blades.

Step 10

Replace the cutting-head cover and secure it in place, using the knob screw at each side.



DeWalt 12.5" HSS Planer Blades

12.5" x 1-1/16" x 1/8", High Speed Steel, single edge, honed cutting edge, 2 piece set of blades. 

If you use the discontinued Dewalt DW733 Portable Thickness Planer, and have been using the DEWALT  blades, try our  replacements. We gurantee you will be pleased.

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