When the machine is used for a long time, the machine will emit a touch of machine sound, a slight sharp metal friction sound, and the air hole wood chips pile up, then the maintenance.
one. Preparation tool 1, a screwdriver, a Phillips screwdriver, a needle-nose pliers, 4 needles, oil (hardware sales)
5, a small brush two. Maintenance steps 1. Unplug the power cord. Safety first.
2. Remove the plastic sheath, take the Phillips screwdriver counterclockwise, and unscrew the two screws.
3. Take a screwdriver and counterclockwise to remove a pair of carbon brush screws. Remove the carbon brush with a needle-nose pliers. Carefully remember the position of the carbon brush.
4. Clean the dust on the carbon brush with a brush. Spray it gently when there is an air spray gun.
5, the shell should be slightly force to open.
6. Use your fingers to rotate the motor shaft, if there is any touch sound or metal friction sound.
7. Make sure that there is no dust, use a multi-needle car oil, drop a little into the seam on the ring, and twist the shaft with your fingers to ensure that the oil is eaten.
8, wipe off the residual oil, or wipe the dust in the future.
9. Follow the above steps to restore the device.
10, more than a screw lock, first with your fingers to see if Shun Shunshun, carbon brush installed is good, sure no difference.
11, plug in boot, to boot sound normal!