● Check the commutator for :
-Damage or abnormal wear. → Replace with a new
one.
-Discoloration of the commutator bar. → Replace with
a new one.
-Metallic debris between commutator bars.→ Clean it
off.
● Check for continuity between pairs of commutator
bars.
● Make a continuity check between individual
commutator bars and the armature shaft.
● There should be no continuity.
● Check the bearings.
-Do not rotate smoothly. → Replace with a new one.
-Loose bearing. → Replace with a new one.
STARTER MOTOR ASSEMBLY
● Carefully insert the armature shaft into the front
bracket.
● Align the front bracket notch with the brush.
CAUTION
·The sliding surcfaces of the brushes can be damaged
if they are not installed properly.
15-5
STARTING SYSTEM
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