KEEWAY F-ACT EVO, Instruction & Maintenance Manual

Page: 30 / 156

- 29 -
No Yes
Yes No
Failure diagnosis procedure when the start motor is weak in rotating
Start motor is weak in rotating
Turn on the ignition switch, press the horn button or toggle the turn signal switch
The electric horn does not sound
or the sound is weak, and the
light of turn signal is pale The sound of the electric horn is
loud and the light of turn signal
is bright
The electricity in the storage
battery is insufficient or the wire
terminal connecting the storage
battery is in poor contact Check if the wire terminal between
the relay and the start motor is in
poor contact
Remove the start motor connecting wire and storage battery
connecting wire from the start relay, press the start button,
when the start relay makes the connection sound, use the
ohmmeter to measure the resistance between the storage
battery wiring terminalon the start relay and the start motor
wiring terminal, and check if the resistance is smooth
Check and exclude
Disassemble the start motor and do the
following inspections:
1. Check if the carbon brush is over-worn
2. Check if the carbon brush spring breaks or
the spring force is insufficient
3. Check if the surface of armature commutator
is stained with dirt or is burnt or damaged
4. Check if the armature commutator is
over-worn
The start relay contact is
burnt or damaged