●
Definition of CNG
Fuel in gaseous state that is stored in
high pressure container by compressing
the natural gas.
●
CNG constituent and character
CNG evaporates quickly in the
atmosphere it is constituted mostly with
methane gas.
CNG liquefaction degree is below -162
degrees. Above this temperature, it will
stay as liquid. CNG is compressed with
high pressure and is used as bus fuel.
Ignition should be turned off and the
vehicle must be on parking mode when
refueling.
Refueling cannot be performed with
the ignition on.(Pressure : 210kgf/cm
2
)
This vehicle uses compressed natural
gas as fuel, so smoking is not allowed
inside the vehicle.
Refueling can be done up to 210kgf/cm
2
.
Under the gas pressure of 30kgf/cm
2
,
the “CNG”lamp light on. This is when
the refueling in needed.
2
-
9
7. CAUTIONS FOR CNG VEHICLES
SAFETY CAUTIONS
Compressed Natural Gas(CNG) CNG Recharge Cautions When Driving
WARNING
No flammable materials should be
near the bus since the bus uses high
pressure gas fuel.
Be careful of any injuries when
handling the fuel since the pressure
difference inside the compressor
container and the atmosphere are
grave and when the gas leaks out
the temperature around it will sharply
drop and cause injury.
If gas leakage is detected, remove
any flammable materials and stop all
the electrical components.Ventilate
the area.
In fixing or checking for gas
leakages, follow the stops described
in this manual. If not followed,
serious injuries might occur.
CAUTION
Under 30kgf/cm
2
of gas pressure, the
vehicle would not function properly.
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