F3/F3R OWNER’S MANUAL
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Caution
In normal situation, suggest using gasoline to start, do not use natural gas to start. While, if the engine water temperature is over 60
℃
,
please use natural gas to start directly, otherwise redactor will be damaged.
b. Using gasoline to start
Shift conversion switch to gasoline position, start as the natural driving operation procedure.
(2)Fuel conversion
a. From natural gas to gasoline
Shift the fuel conversion switch from “G” position to gasoline position, at the moment natural gas solenoid valve is close, fuel pump relay is close,
and fuel pump is working. Engine uses gasoline to work.
b. From gasoline to natural gas
Shift fuel conversion switch from gasoline position to “G” position, at the moment engine is using gasoline to work, gasoline indicator is lighting.
Step down accelerator pedal, loosen accelerator pedal until engine speed is above 2000rmp. When engine speed is under 2000rpm, system
transforms to natural gas working model, at the same time natural gas indicator is lighting, gasoline indicator is going out.
Caution
When fuel conversion, there will be a fuel supply transition period, at the moment the engine may be low down speed or gently idle. To
avoid engine stopping working, carry through fuel conversion when high engine speed, and do not carry through fuel conversion at the
place of traffic jam, upgrade and downgrade, swerve or bad line of sight.