How to Adjust a Table Saw Blade

 

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This DIY repair guide explains how to adjust the blade alignment on a table saw. The blade should be parallel to the miter gauge groove to make perfect cuts. Follow these steps to adjust the alignment of the table saw blade.

Follow the steps in this repair guide and video to adjust the blade alignment on common Craftsman, Mastercraft, Tradesman, Companion, DeWalt and Ryobi table saws.

Repair difficulty:
     
Time required:

Less than 30 min.

Parts Required

Tools Required

  • Combination square
  • Slot screwdriver
  • Felt-tip marker
  • Work gloves

Before you begin

Wear work gloves to protect your hands.

Instructions

 Warning: Undertaking repairs to appliances can be hazardous. Use the proper tools and safety equipment noted in the guide and follow all instructions. Do not proceed until you are confident that you understand all of the steps and are capable of completing the repair. Some repairs should only be performed by a qualified technician.

How to Adjust a Table Saw Blade

Step 1: Shut off the electricity

Unplug the table saw’s power cord from the wall outlet.

Step 2: Remove the blade guard

Raise the blade to its highest cutting position.

 

Push the red button on the blade guard and lift off the blade guard assembly. 

Step 3: Mark the blade

Loosen the bevel lock, set the blade to 90-degrees (straight up), and then tighten the bevel lock handle.

 

Mark the right side of one blade tooth using a felt-tip marker.

 

Rotate the marked blade tooth so that it's 1/2 inch above the table at the front of the blade.

Step 4: Set up the combination square

Place the base of the combination square in the right side miter gauge groove.

 

Adjust combination square to that the ruler tip touches the marked blade tooth and lock the ruler.

Step 5: Check the blade alignment

Rotate the blade to bring the marked tooth to ½ inch above the table at the rear of the blade.

 

Slide the combination square to the rear of the blade and determine the direction and degree of misalignment.

Step 6: Adjust the blade

  • If the blade is partial to the right side, turn the left adjustment screw counterclockwise and the right adjustment screw clockwise to align the blade.
 
  • If the blade is partial to the left side, turn the right adjustment screw counterclockwise and the left adjustment screw clockwise to align the blade.

 

Recheck the blade alignment and adjust the blade until its parallel.

Step 7: Reinstall the blade guard

Push the red release button on the blade guard and reinstall the blade guard assembly on the riving knife. Release the red button.

Step 8: Restore power

Plug the table saw into the electrical outlet.

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