King Long XMQ6900 Series, Operating Manual

Page: 152 / 173

Common trouble and elimination
6-8
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