Small engraving machines need maintenance like people

Small engraving machines need maintenance like people
Is the small engraving machine durable? In fact, although it is a machine, it also needs to do a good job of maintenance. If it is done well, it can withstand the "torture".
1. Wipe off the remaining oil, otherwise wipe the dust in the future.
2. Unplug the power cord. Safety first.
3, plug in the power, until the boot sound is normal.
4, take a word screwdriver to solve the pair of left and right carbon brush counterclockwise, use a needle-nosed pliers to remove the carbon brush, carefully mark the carbon brush installation position, recovery is smooth.
5. Use a brush to clean the dust on the carbon brush. Gently spray when there is an air spray gun.
6, the shell should be slightly forced to open.
7. Make sure there is no dust. Use the universal needle car oil to drop a little into the seam on the ring, and turn the shaft down to ensure the oil is eaten.
8. After the screws are locked, first screw them with your fingers to see if they are not smooth. The carbon brushes are good or not, so there is no abnormality.
9. Rotate the motor shaft with your fingers. Is there a sound of contact with the machine and a metal friction?
10. Remove the plastic sheath and take the Phillips screwdriver counterclockwise to unlock the two screws.
11. Follow the steps above to restore the device.