DAELIM BESBI SC125 - Service Manual - page 172
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 : 6.5 mm
TOOL : VERNIER CALIPER
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 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.
17-5
STARTER SYSTEM