1 - pole housing; 2 - pole shoe; 3 - excitation winding; 4 - anchor; 5 - collector; 6 - mounting thread; 7 - drive bearing; 8 - collector bearing; 9 - brush holder; 10 - gear; 11 - roller freewheel clutch; 12 - brake disc; 13 - guide ring; 14 - starter drive engagement lever; 15 - traction relay; 16 - pull-in winding; 17 - holding winding; 18 - terminal bolt; 19 - contact bridge