i)
Use a soft cloth for cleaning.
j)
Do not clean the device with acidic substances, medical products, thinners,
fuel, oil or other chemicals as this may damage the device.
k)
Regularly check the tightness of the housing screws.
l)
Inspect and, if necessary, replace the motor carbon brushes if their length is
less than 7 mm. To get to the motor brushes:
• Disconnect the device from the power supply and wait until it cools down.
• Disassemble the ventilation grilles on both sides by unscrewing the screws
holding them (see the picture below)
• Through the vent, you will gain access to the carbon brush socket plugs -
the plugs should also be unscrewed.