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Changing circular saw blade

How do I engage the brake to be able to loosen nut?

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  • nathan May 11, 2010

    Make and model? Many saws have a button near the guard over blade that u push and hold to lock shaft to remove blade. older ones did not and you can clamp blade with a pair of vise grips and rotate against base plate and then remove nut change and reverse steps to reinstall new blade.



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Near the guard should be a button u hold and rotate blade(unplug first)until it locks, some old and cheap saws have no lock pin, so lock blade with vise grips and let rest against base plate and loosen nut.

Posted on Jul 17, 2009


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1 Answer

Change blade

What model of saw are you using? BE SURE TO DISCONNECT THE POWER CORD. There is usually a brake that you push in to lock the motor, it is usually located between the upper blade guard and the handle, on the motor. It should be spring loaded, push it in and hold it in the loosen the nut on the blade, counter clockwise CCW, righty tighty, lefty loosey.
If you still cannot find a brake, put a screwdriver into the curved part of a tooth behind the carbide tip and 90 degrees to the blade near the front of the lower blade guard. It should be below the main shoe (plate that the saw sits on while cutting). When you turn the nut CCW, the screwdriver will lock the blade against the main show and the blade nut may then be loosened and the motor shaft should not spin.
If all this fails, read the instructions and look there for a brake lock.

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1 Answer

Remove blade on circular saw ks865. motor turns when nut is turned thus unable to undo. Blade cannot turn because it has a screwdriver in the hole provided. Presumable the nut and washer is a bit loos

Take the saw to a bike repair shop. They have super thin wrenches to fit behind the blade and the motor that will hold the armature still while you loosen the nut on the front.

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1 Answer

How replace blade on 7 1/4 circular saw - Milwaukee

UNPLUG THE SAW first!! Look for the blade lock on the top or front of the motor body, Hold the lock button down while turning the blade nut with a wrench. After a bit you'll feel the lock button engage and hold the blade firm. Rotate the the wrench counter clockwise and remove the nut, Slide the blade out from under the guard and replace with a new one. Reinstall the nut following the above procedure.

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1 Answer

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put a block of wood against blade to hold it then loosen the nut that holds the blade to the motor .

Sep 02, 2014 | Craftsman Radial Arm Saw W/ Stand 10 In....

1 Answer

Which way does the nut turn to loosen blade on a luds mitre saw

On any saw blade, you will loosen the nut (or bolt) in the direction that the teeth of the blade are pointed. This is because any saw must be designed so that the force of the material being cut pushes against the blade in the direction that would tighten the blade. So, on a miter saw with the blade on the right, when viewing the blade from the right the teeth are pointing counter-clockwise (or left), so you loosen to the left. On the other hand, a radial arm saw or a circular saw where the blade turns clockwise, loosening will be to the right. Good luck.

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1 Answer

To remove the circular saw, which way do you turn the nut hold the blade on the saw?

For any saw blade or grinding wheel, the rule is this. Pushing against the points of the teeth should be the direction that tightens the nut. So you must loosen it in the same direction that the blade spins. For example, if your saw blade is on the right side of your saw, then the blade spins counterclockwise, and the wood pushes against blade clockwise - so you turn it counterclockwise to loosen it (which is in the same direction that the blade spins.). If the blade is on the left side of the saw, you loosen it clockwise. Good luck, Al K

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2 Answers

How do I change the saw blade on my 2 hp 7 1/4 saw?

If the saw doesn't have a locking mechanism for changing the blade then you will have to jam a piece of wood in the teeth of the blade so that it cannot turn. Remember safety first. Ensure the saw is unplugged and wear leather gloves when changing the blade. Use a socket or wrench to loosen the nut that holds the blade on and remove the blade. Use the reverse procedure to tighten the blade.

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1 Answer

The red saftey lock button will not lock blade in place how can i get the blade off? Ive tryed putting saw blade in a vice and then using socket wrench to loosen nut ive broke two sockets.

Chances are you are turning the nut the wrong direction. The old addage "lefty loosey, righty tighty" does not apply to saw blades. You must turn the socket "clockwise" to loosen, which is opposite to normal nuts and bolts. Try slipping a screwdriver between the teeth of the saw. It should catch on the shoe of the saw as you loosen the nut.

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4 Answers

The blade nut on my Ryobi 10" miter saw is too tight for me to loosen, so I can change the blade. I'm turning the hex wrench clockwise and holding in the blade lock. I don't see rust or anything else that...

Hello daobrien,
Not to worry, I think I can help you with your problem. You can try the WD-40, but first try the following. (Sounds like the repair shop wants you to come back.) First what I recommend is that you use your adjustable Vise Grip pliers and clamp it to the front of the blade. If there is a plastic shroud in the way, you may have to remove it temporarily. Doing this may give you enough leverage to loosen the nut. Apply the WD-40, then try to twist off the nut. The idea of using the pliers is allow you to not have hold the brake lock and give you the ability to apply enough torque to do the job. I have done this same thing when my framing saw nut was on to tight and it worked for me. Let me know if this is successful for you. If you would, please a positive feedback for me. I will very much appreciate it. Good luck! :o) Regards, NormanZ

Jul 08, 2009 | Sears Craftsman 7-1/4 in. Circular Saw...

1 Answer

How do i change the blade on craftsman circular saw?

some saws don't have a blade brake , i always take a pair of vise grips and adjust to grip blade tightly and hold or bind against housing then remove bolts works well for me

Jan 02, 2009 | Saws

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