2-47
2.7.4 Troubleshooting to Electric Starter
Description
Damage Form
Trouble Symptom of
Component
Trouble Symptom of
Vehicle
Remedy
Starting
motor
Carbon brush is worn heavily
Starting
motor
lacks
power or is out of work
Replace the worn brush
Spring of carbon brush is broken
or is out of elasticity
Starting
motor
lacks
power
Replace the spring
Armature commutator surface is
fouled
Do.
Clean the commutator surface with gasoline or alcohol
Armature commutator surface is
spotted, burnt or damaged
Do.
Polish the surface of commutator with fine abrasive
paper. Make the cut on the mica plate between each
commutator piece with broken saw bit 0.5-0.8 mm
deeper than the commutator surface. Remove the chip
and burr between each commutator
Armature commutator surface is
worn considerably
Starting
motor
lacks
power or is out of work
Replace the starting motor
Rotor coil is damaged by short
circuit or broken circuit
Starting motor is out of
work
Replace the starting motor
Starting
clutch
The contact surface of starting
clutch and roller is damaged or
worn heavily
Starting
clutch
is
slipping
or
has
abnormal sound
Starting clutch is slipping
or has abnormal sound
Replace the gear of starting clutch
The contact surface of starting
clutch and roller is worn into
concave groove
Do.
Do.
Replace the starting clutch
The roller is worn heavily or
damaged
Do.
Do.
Replace the starting clutch
