Question about Black & Decker DEWALT 12 In. 80 Tooth Thin Kerf Saw Blade

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Table saw blade wabbles alot when cutting?

When cutting or ripping, the blade wabbles and I have tightened it but nothing changes?

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Dont wast any more time, blade has been damaged by a hard knock or heat! buy a new blade and check shaft allighnment! (some blades need a spacer if not genuine or will wobble and some blades are **** for no reason- even pricey ones) good luck

Posted on May 08, 2009

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This could be caused by several problems. First unplug the saw. Put a known straight edge against the blade (making sure not to contact the teeth) turn the blade slowly and watch for runout. Second make sure the spacers and blade flanges are on correctly. I would just about think it would be the blade. If you provide the model and brand I can do some more research. Good Luck

Posted on Jan 03, 2009

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What makes a rip cut on the table saw to end up concave instead of perfectly straight? Does that mean the rip fence is concave from end to end too?


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How to change the saw blade


Adjustments
LARGEHEXWRENCH
TO REPLACeTHE BLADE
See Figures 43 - 45.
 Unplug the saw.
 Lower the saw blade, raise the blade guard, and remove the throat plate.
 Make sure the bevel locking lever is securely pushed to the left. Raise the saw blade to its full height by turning the height/bevel adjusting handwheel clockwise.
 Using the smaller hex wrench, insert the flat open end into the flats on the arbor shaft.
 Insert the closed end of the larger hex wrench over the hex nut. Holding both wrenches firmly, pull the larger wrench forward to the front of the machine. Make sure the blade nut is securely tightened. Do not overtighten.
Check all clearances for free blade rotation. See To Set the Scale to the Blade. In cutting operations, the scale will be set to the side of the blade where the cut will be measured and made.
To replace the blade with an accessory blade, follow the instructions provided with the accessory.
To install a standard blade:
 Place the new blade on the arbor shaft (the teeth must point down toward the front of the saw to work properly).
 Place the blade washer and the blade nut over the blade arbor. Be sure the dome side of the blade washer faces out from the blade and that all items are snug against the arbor housing. Tighten securely.
SMALLHEXWRENCH
Fig. 43
Blade
Bladewasher
arbor shaft
Bladenut
Fig. 44
BLADEGUARD
THROATPLATE
spreader
BLADE
Fig. 4535
ADJUSTMENTS
 Rotate the blade by hand to make sure it turns freely.
 Lower the saw blade and reinstall the throat plate.
NOTE: Securely tighten throat plate screws. Do not allow the throat plate to bow up above the table surface.

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