SOURCE: I have a mastercraft mitre saw. The blade blocks midway when I am
The picture I could get only shows one side. From my experience, these guards operate using leverage, where a little motion results in a lot of movement to the guard. That means a little damage or wear in the linkage can make a big difference. A bushing may have shattered, or a pivot hole may be worn out. Reviews of this machine mention dust not going into the bag. Make sure dust is not jamming the guard works. Take care, having to move a guard while the blade is spinning is scary.
SOURCE: Gaurd hits before it starts to retract.
does the guard move freely, when pulling down on the handle? or does it **** and seem to hang up. There is no adjustment on the guard that I am aware of but if you are still having problems you can call Makita Tech Support at 1-800-4625482. You will need the model number when talking to them.
SOURCE: my guard gets stuck when i cut a piece of wood,it
The pivot is probably full of pitch or other debris. Clean with turpentine if you work with pine or other resinous woods.
SOURCE: makita
I don't have this particular model in my shop right now but almost all circular saws work like this. From the blade side of the saw, the spring attaches to a hole in the blade guard usually around the two to three o'clock position. With the blade guard correctly positioned on the saw, wrap the spring clockwise around the bottom of the hub and back up the nine o'clock side. There is another hole or tab inside the top of the upper blade guard somewhere around the twelve to two o'clock position. Hook the end of the spring there and test the guard for free movement throughout it's range of motion.
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