S90 L6-2.9L VIN 96 B6304S (1998)
Test commutator for arcing to ground.
K10 Commutator
Brush path should be smooth and free from dirt and oil. Machine commutator if burnt or out-of-round:
Min. diameter = 42.5 mm (1.673 in).
Max. radial throw = 0.05 mm (0.002 in).
K11 Undercutting