To replace the brushes:
•
Disconnect the machine from the power supply.
Disassemble the rear engine casing by unscrewing the 2 screws
•
holding it:
After removing the back housing, you can see the carbon
•
brushes at the motor rotor - to get to a single brush, use a flat-
tipped screwdriver to unscrew the cover holding the brush and
remove the worn brush: