(1) The electrician regularly replaces the carbon brush of the impact drill and checks the tension spring pressure.
(2) Protect the whole body of the impact drill and clean and dirt, so that the impact drill can rotate smoothly.
(3) The personnel regularly check whether the parts of the electric drill are damaged, and replace the severe and unusable parts in time.
(4) Timely replenish the screw fasteners of the body that were lost from the body during work.
(5) Regularly check the bearings, gears and cooling fan blades of the transmission part, and add lubricating oil to the rotating parts to extend the service life of the electric drill.
(6) After the use is completed, the electric drill should be returned to the tool storehouse for safekeeping. Reduce overnight storage in the personal stuff cabinet.