Brushes; Commutator; Armature Coil - KEEWAY 500ATV Service Manual

Brushes

● Check brushes for abnormal wear, cracks
or moothness in the brush holder.
Wear, cracks or non-smoothness: →Replace

Commutator

● Check Commutator for discoloration,
abnormal wear or undercut.
Abnormal wear or Damage: →Replace
● If the commutator is discolored, polish with
a sand paper and clean with a clean and dry
cloth.
● If there is undercut, scrape out insulator B
and make its distance between A as d
d ≥ 1.5mm

Armature Coil

● Check for continuity between each segment
and between each segment and armature shaft
using a multimeter.
● If there is no continuity between the segments
or there is continuity between segments and
shaft, replace the armature with a new one.
12-9
12. IGNITION SYSTEM
12