780 V6-2849cc 2.8L SOHC B280F (1987)
Test commutator for arcing to ground.
L11 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)
L12 Undercutting