Circular saw how to operate? The operation of circular saw what precautions?

Circular saw how to operate? The operation of circular saw what precautions?
Preparation before operation:
Saw blade, shell, handle does not crack, damage.
Cable wire and plug switch intact, normal, protective zero connection correct and reliable.
The blade is fitted securely, bolts are tightened, and whether the saw blade grip chuck. The plane is the direction of blade horizontal axis and vertical electric circular saw.
Examination of the movable protective cover the rotation is flexible, there is no deformation, and circular saw blade will not friction, the connection is reliable, the operation will not fall off.
Check the side handle is fitted securely, will loose when holding operation.
Check whether the workpiece is firmly fixed.
Operational matters needing attention:
Startup electric circular saws must be in a vacant position, it will appear suddenly beat must be double grip, finger may not be placed in the position of the switch, sawtooth must left the workpiece is cut and prevent electric circular saw start beating touch the workpiece is cut.
Electric circular saw after the start should let the idling for a period of time, to observe the operation of the saw blade is normal, whether to have the phenomenon of swing, electric circular saw whether excessive vibration and noise is normal.
Electric saw during operation must pay attention to the position of the cable, prevent cut caused by electric shock or short circuit accident. Cable to bypass the back and then access the power supply, the body does not contact with the cable.
In the electric saw cutting operation, hands must handle and grip side handle device. The finger must not be close to the high speed rotation of the saw blade, the operator's body must maintain a proper distance with the equipment.
Do not use in the electric saw overhead position, to prevent an electric saw or cut off the workpiece caused by the accident.
The new saw blade is generally flat, and it needs to be selected in the range of 5 degrees C to 20 c..
After the start of the machine, it should run for a while, check and confirm that the machine is flexible and unimpeded. During the operation, force should be balanced, not overexert.
Main attributes
1 rated power
2 cutting capacity
3 cutting diameter (blade length)
4 no-load speed