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7. Common trouble and troubleshooting of electrical equipment and starting system
Fault symptom
Possible cause
Eliminating method
There has abnormal sound
during the generator
rotates
1. The belt is of over loose or excessive abrasion
with the shaking during the running
2. Bearing failure or oversize clearance
3. Too much bearing clearance
Adjust the belt and replace the
bearing
The charging indicator
light doesn't go off during
the running and the vehicle
is difficult to start
1. The battery is lack of power
2. The generator is damaged
3. Charging indicator lamp loop short
4. The belt is slipping
1. Charge the battery
2. Replace the generator
3. Check the circuit
4. Adjust the belt
The battery is lack of
power excessively and
incapable of charging at
low speed
1. The battery is damaged
2. The generator is damaged
3. The belt is slipping
1. Replace the battery
2. Replace the generator
3. Adjust the belt
Difficult in starting
1. The battery has no power, or is lack of power
or terminal loose
2. Poor contact of the starter switch, short circuit
of the connector lug or bad of the solenoid
3. Starter pinion is clogged in the flywheel ring
gear. Furthermore, engine bearing is
burnt ,water on external of the combustion
chamber and the consumption frozen may
also caused the breakdown
1. Charge and clean the
joint and screw it
2. Repair or replace it
3. Repair or replace it,
found out the reason and
eliminate it
Starting gear of the starter
can not engage with the
flywheel teeth
1. Poor contact of the ignition switch or socket
loose
2. Unsteady connection of the relay device or
the solenoid switch
3. Turnoff of the starter solenoid switch
4. Damage of the starting gear or the gear ring
of starter
5. Malfunction of engage switch
6. Starter armature shaft bent
1. Clean and tighten
2. tighten it
3. Replace it
4. Repair the teeth or
replace it
5. Found out the reason and
eliminate it
6. Replace it
Starting gear of the starter
can not disengage
completely
1. Starter starting gear sleeve too tight or stuck
2. Too little clearance between the starting gear
and the flywheel ring gear or the starter gear
damage
3. Magnetic coil dirty
4. Clogging of the transmission fork shaft
5. Locking of the engage switch
1. Replace the shaft sleeve
or clean and amend it
2. Adjust the clearance or
replace the starting gear
3. Clean it
4. Clean and adjust it
5. Replace it
