9. ELECTRICAL SYSTEM
9-5
Brush
Z
Check the brush on the brush holder whether it is
worn abnormal, cracked or not smooth.
Worn, cracked, or not smooth: → Replace
Rectifier
Z
Check the rectifier whether it is discolored,
abnormal wear or concave.
Abnormal wear or damage: → Replace
Z
If the rectifier is discolored, grind it with sanding
paper, then wipe it with a clean fabric.
Z
If there is concave, scrape off insulator B, so that
the distance with A is d.
d≥1.5mm
Armature coil
Z
Test the connection between each wire and the
armature coil with the multimeter.
Z
If they are not connected, replace the armature
shaft.
Oil seal
Z
Check the oil seal lip for damage or leak.
Damage or leakage: →Replace the starter motor.