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My Hitachi chop saw stopped working. How do I get it going again?

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Posted on Jan 02, 2017

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SOURCE: WHen cutting a 2x4 the chop saw will cut 1/2 the

Is the blade secure on the arbor, or is the motor itself bogging down?
If the motor is bogging down, make sure you let it come up to speed before making your cut...then let the blade do the cutting, instead of forcing it through the material. Also be sure the material is securely resting against the fence and the base of the saw, so as not to pinch in the middle of a cut.
Make sure you have a good power supply to the motor, and not a long skinny extension cord or the like.
I guess it's possible, if the saw is older or has been under heavy use, that the brushes are worn out and need replacing, but it's also possible the motor is just worn out. (Altho I have rarely if ever seen this occur.)
If you rule out operator error and power source, and the brushes are good, and of course the blade is sharp and clean, the I guess the motor must be at fault, and should be checked at a local service center.

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread. If I've managed to answer your question or solve a problem, please take a moment to kindly rate this post....thanks!

Posted on Apr 04, 2009


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d70d03f.jpg3f82e5b.jpg38ca90b.jpg4367374.jpg063ef2e.jpg1add57c.jpg98eea3c.jpg The first picture is the only one I could find of your saw.
All saws are fitted with carbon bushes that contact the armature of the electric motor.
In time the carbon which conducts the electricity wears down, as they disintegrate there are particles of broken carbon connect with the armature giving an intermittent burst of power, eventually the bushes no longer contact the armature and the saw does not work at all.
The next photos show the approximate position of the cover to access the bushes, there is one one each side of the housing.

They usually unscrew and expose the spring plate the bush is mounted on, gently pull this out.
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