Remove carbon brush support (1) and cylindrical bolts (2).
Mark assembly position of housing compared to collecting ring bearing.
Pull housing and rotor (3) out of collecting ring bearing (4).
Note when fitting: Apply Ft 1v 34 grease onto the corrugated
ring in front of the grooved ball bearing.
Remove nut, spring washer, disc and insulating ring.
Pull off plug suppression unit (5). Remove diode plate (6) and stator (7) from
collecting ring bearing.

Solder diode plate (6) off stator (7).