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DYT4000 loose blade

One of the blades on my DYT4000 spins freely even though the nut is tight. I now cannot loosen the nut to get the blade off for examination. How can I stop the spindle from turning as I try to loosen the nut. I'm guessing I hit a root or something and chewed up the star center so need new blades. Any help appreciated

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SOURCE: Is Trying to change blades. I got the nuts loose but now they just spin in place instead of comming off.

Blade should be held on with a bolt, lock and flat washer. When installing be sure blade is alingn wit star on spindle.

Posted on May 04, 2012

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1 Answer

The blade does not tighten on the spindle and just spins freely. Even tightened down the center nut does not make a good connection to the blade.


There is a positioning "washer" that needs to be in place. If you don't line up the blade and position the washer it will not tighten. The blade will just spin around. Some even have a washer in front and in back. Be sure you have correct diameter of arbor that matches your blade too.

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Do Ray:
If the blade engagement lever is in the disengaged position, the belt will be loose, allowing you to turn the blades by hand. If you place the blade engagement lever in the engaged position (with the motor off) it will be hard to turn the blades because of the tension on the belt. If the blades are still easy to turn with the blade engagement lever in the engaged position, you need to replace the blade drive belt!

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Do not use saw till you rectify the problem, switch off the saw, remove power cord from socket.

1. raise saw table up for maximum cut
2. retract slide-in protector to maximum
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5. orient correctly internal washer (it have notch or notches and will go freely only one way - check if that is the case)
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