Circular saws can be used for all types of wood product cutting--lumber, plywood and paneling. The saws can cross-cut and rip cut. They also can be set to bevel cut and pocket cut. The blade doesn’t need to be oiled very often; you can coincide the oiling with blade replacement, but a spot of oil on the inner washers will keep the saw running better and more safely.
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Remove the battery pack from the saw.
Take the blade wrench from the blade wrench storage area and pressing down on the spindle lock button, which is between the blade area and the motor, remove the blade screw and the outer blade washer.
Pull the blade off the spindle and replace it or sharpen it, if needed.
Wipe a drop of oil on the inner blade washer where it touches the blade. Do the same for the outer blade washer. Again, just a drop where it touches the blade.
Replace the blade. The teeth point upwards at the front. Don’t forget to put the inner washer back on if you removed it. The blade won’t tighten properly if you don’t have the washer installed.
Replace the outer blade washer. Press the spindle lock button and replace the blade screw. Tighten it clockwise. Try not to lose the blade wrench—remember it has a storage area on the saw.