DAELIM S4 50cc Service Manual page 172

STARTING SYSTEM
BRUSH
BRUSH BRUSH BRUSH BRUSH BRUSH BRUSH
BRUSH BRUSH BRUSH BRUSH BRUSH BRUSH
BRUSH BRUSH BRUSH BRUSH
BRUSH BRUSH BRUSH BRUSH BRUSH
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
● 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: 6.5 MM
NOTE
•If replacement, replace with a brush holder set.
● Check the commutator for
- Damage or abnormal wear. → Replace with a
new one.
- Discoloration of the commuttor bar. → Replace
with a ne one.
- Metalic debris between commutator bars →
Clean it off
● 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.