Brush Inspection
Starter Brush InspectionMeasure the brush length.
If it is less than the service limit, replace the armature housing and brush holder assembly.
NOTE: To seat new brushes after installing them in their holders, slip a Strip of #500 or #600 sandpaper, with the grit side up, over the commutator and smoothly rotate the armature. The contact surface of the brushes will be sanded to the same contour as the commutator.