10. ELECTRICAL SYSTEM
10-
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.
Starter relay
Z Inter-terminal voltage is 12V. Test the
direct connection of positive and negative
poles with the multimeter.
Z If the starter relay clicks and connected,
the starter relay is OK.
Z When there is no voltage of 12V, they are
not connected, the starter relay is OK.
Note: Do not apply battery voltage on the
starter relay for more than 2 seconds. This will
result in overheating or damaging the relay coil.
Z Measure the coil resistance with the
multimeter. If the resistance exceeds the
specified value, replace the starter relay.
The multimeter is set to 1x10Ω.
Starter relay coil resistance: 3-5Ω
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