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3. Refer to Table 5-1 in respect of damage forms, fault phenomena and common
maintenance methods of the power supply portion:
Table 5-1: Maintenance of the Power Supply Portion
Component
Name
Damage Form
Component Fault
Phenomenon
Motorcycle Fault
Phenomenon
Maintenance Method
Charging coil
Short circuit
Electricity shortage
The headlamp does
not light, the engine
has difficult in starting,
the engine is under-
powered, the engine
idling is of instability.
Replace the charging
coil
Open circuit (value
of resistance
∞
)
N o s p a r k b e t w e e n
poles of spark plug
The engine fails to start
magneto
rotor
Deformation
The magneto does not
output a current or
outputs a low current.
The engine has difficult
in starting or fails to
star t, the complete
motorcycle is under-
charged, the electrical
equipment fails to work
properly
Replace the magneto
rotor
Magnetism fading
The magneto does not
output a current
T h e e n g i n e f a i l s t o
star t, the headlamp
does not light
Storage
battery
The storage battery
is damaged
No power
The starting dynamo
does not run
Replace the storage
battery
T h e b a t t e r y h a s
been placed for a
long time
Electricity shortage and
low voltage
The starting dynamo
does not run or runs
weakly, the signaling
s y s t e m w o r k s
improperly.
Charge or replace the
storage battery
Electrolyte shortage
Electricity shortage and
low voltage
The starting dynamo
does not run or runs
weakly, the signaling
s y s t e m w o r k s
improperly.
Supplement distilled
water or replace the
storage battery
Protective
tube
I t i s d a m a g e d o r
burnt out
No power
The starting dynamo
does not run
Replace the protective
tube
