I have an older Black & Decker Sawcat #987. It does not appear to have any way of locking the spindle that I can find. I don’t think there is enough friction to run the motor to snug it up that way. I am aware of methods to loosen the bolt without a lock but these don’t seem to apply when tightening.

In this post, I’ll walk you through the basic process of how to change a circular saw blade which is one of the most useful tools any DIYer can use. When picking the right saw blade refer to my earlier post The Everyman’s Saw Blade Guide to find the right one for your project. That’s it! You’re ready to get back to business now that you know how to change a circular saw blade.

how to change circular saw blade without lock Related Question:

Where is the arbor lock on a circular saw?

Place the saw on a wooden surface and pull back the blade guard. If the saw has an arbor lock button on the top of the housing, press it in. The arbor is the shaft the blade installs on. If there’s no lock button, press the blade into the wooden surface.

Why is my circular saw getting stuck?

Most of the time, a circular saw keeps stopping because the blade gets stuck in the wood or material. This is due to the blade not being powerful enough to get through the material. It could also be because the blade is damaged or the motor is malfunctioning.

Why is my circular saw blade loose?

Bearings and washers are mainly responsible for holding a saw’s shaft in place. However, wobbles and misalignments may loosen the blade. This can cause problems while cutting. Moreover, the bolt of the circular saw may wear out after regular use.

How do you change the blade on a old Craftsman circular saw?

Use the blade wrench to remove the arbor nut holding the blade in place. To loosen the nut, turn the wrench in the same direction as the blade cuts. Retract the saw’s upper blade guard and remove the old blade. Slip the new blade onto the saw’s arbor, making sure the saw teeth face in the direction of rotation.

Which way do the teeth face on a circular saw?

The teeth should be cutting UPWARDS, in a clock-wise direction. You’ll also notice that when your blade is installed correctly, the teeth will be pointing upward. Remember: circular saws (as most saws) cut on the upward stroke.

How do you hammer a circular saw blade?

Place the blade on the anvil. Hammer down all ridges or lumps while using as few blows as possible to avoid expanding the metal too severely. If there’s a loose area, mark it and hammer between the mark and the blade’s rim to stretch out unnecessary tension.

What is a spindle lock?

Most cordless impact drivers have a feature called spindle lock that, when selected, locks the motor’s spindle so the chuck cannot turn. Most models of impact driver will have ‘automatic spindle lock’, which means that the chuck and metal bit are automatically locked when the speed control trigger is released.

Why does my circular saw blade stop spinning?

Blades may stop due to loose clutch (an odd looking washer where the bolt holds the blades into the saw arbor). So, if your motor is going properly and blades keep stopping then you need to replace the clutch or tighten it up.

How do I stop my circular saw from binding?

Avoid circular saw blade binding But cutting a long board in half is different. You can hold one end, but the other must be free to drop or the blade will bind. The trick is to allow the cutoff end to drop slightly, but not so much that it completely snaps off before the cut is complete.

Why does my circular saw blade smoke?

A Dirty Skill Saw Blade Can Cause Smoke The same goes for your circular saw blade. When you use your saw repeatedly for an extended period, something called pitch can begin to coat the teeth of your blade. This pitch is rather sticky. As a result, it creates friction when cutting and possibly smoke.

What does a brake do on a circular saw?

Electric Brakes – An electric brake stops the motor in about two seconds after releasing the trigger, while a saw without an electric brake will take about 10 to 15 seconds to stop. The electric brake works by reversing the flow of electricity to the saw motor.

Where is the blade lock on a Craftsman circular saw?

Locate the blade lock button or lever usually found on the backside of the upper guard. While depressing the button, place the wrench over the bolt and turn the blade with the wrench until you feel the blade lock in place.

How do you remove a blade from a craftsman Sears circular saw?

2 Press down on the saw’s arbor-lock button and rotate the blade until the locking mechanism engages. 3 Use the blade wrench to remove the arbor nut holding the blade in place. To loosen the nut, turn the wrench in the same direction as the blade cuts. 4 Retract the saw’s upper blade guard and remove the old blade.

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