● Remove the brush spring, and then remove the brush.
● Measure the brush length. Replace the brush if it is
worn beyond the service limit.
SERVICE LIMIT : 5 mm
TOOL : VERNIER CALIPER
● 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 needle bearing and oil seal.
-Do not rotate smoothly. → Replace with a new one.
-Damage oil seal. → Replace with a new one.
18-4
STARTER SYSTEM
COMMUTATOR
COMMUTATOR
COMMUTATOR
COMMUTATOR
COMMUTATOR
COMMUTATOR
COMMUTATOR
COMMUTATOR
COMMUTATOR
COMMUTATOR
COMMUTATOR
COMMUTATOR
COMMUTATOR
COMMUTATOR
COMMUTATOR
COMMUTATOR
COMMUTATOR
COMMUTATOR
COMMUTATOR
COMMUTATOR
COMMUTATOR
COMMUTATOR
OIL SEAL
OIL SEAL
OIL SEAL
OIL SEAL
OIL SEAL
OIL SEAL
OIL SEAL
OIL SEAL
OIL SEAL
OIL SEAL
OIL SEAL
OIL SEAL
OIL SEAL
OIL SEAL
OIL SEAL
OIL SEAL
OIL SEAL
OIL SEAL
OIL SEAL
OIL SEAL
OIL SEAL
OIL SEAL
NEEDLE BEARING
NEEDLE BEARING
NEEDLE BEARING
NEEDLE BEARING
NEEDLE BEARING
NEEDLE BEARING
NEEDLE BEARING
NEEDLE BEARING
NEEDLE BEARING
NEEDLE BEARING
NEEDLE BEARING
NEEDLE BEARING
NEEDLE BEARING
NEEDLE BEARING
NEEDLE BEARING
NEEDLE BEARING
NEEDLE BEARING
NEEDLE BEARING
NEEDLE BEARING
NEEDLE BEARING
NEEDLE BEARING
NEEDLE BEARING
BRUSH
BRUSH
BRUSH
BRUSH
BRUSH
BRUSH
BRUSH
BRUSH
BRUSH
BRUSH
BRUSH
BRUSH
BRUSH
BRUSH
BRUSH
BRUSH
BRUSH
BRUSH
BRUSH
BRUSH
BRUSH
BRUSH
●If replacement, replace with a brush holder set.
!
NOTE
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