What Preparations Before Using Electric Circular Saw?

How to do before operating the electric circular saw? Lost friends, we are now telling you! Hoping to help you.
1. Before the use, should check the cable cords and plugs are intact, switching operation is normal, protection cable is connected correctly, solid and reliable.
2. The blade housing, handle are no cracks, breakage.
3. The blade is installed securely, the bolts are tightened, Inside and outside chuck clamped saw blade, blade flat is vertical with horizontal axis direction of power saws.
4. Check activities protective device rotation, the circular saw blade will not rub against each other, and ensure that connection is reliable, the operation will not fall off.
5. Check the side of the handle is attached firmly, it will loose when operating.

6. Check the workpiece whether is fixed firmly.