●
CNG Vehicles
The gauge indicates the remaining
amount of compressed natural gas
(CNG) in the gas tank
The thermometer indicates the
temperature of the engine
’
s coolant,
and should indicate below the red zone
during operation of the vehicle.
The engine may be over heated when
the indication is pointing at red area.
Park the car and leave the engine on
and then leave the engine to cool off
itself. If there is not enough coolant,
open the surge tank cap and refill the
coolant.
Wrap the surge cap with a cloth and
slowly turn it to open so that inner
pressure is gradually released
3-21
DEVICE CONTROL TIPS
Coolant Temperature Gauge
(Unit : kgf/cm
2
)
Fuel
Indicator
Mid-point
103
Based on
when the
gas tank
’
s
temperature
is 13
℃
.
F
210
E
21
Full Tank
Remaining
Pressure
Status
Short on gas
REFERENCE
Since the vehicle consumes
gaseous fuel, the pressure varies
according to the storage tank
’
s
temperature. Therefore, the value
indicated in the instrument panel is a
converted amount of fuel based
on the gas tank
’
s pressure and
t e m p e r a t u r e b y t h e e n g i n e
’
s
ECM(Electronic Control Module),
a n d is displayed in the gas fuel
gauge.
The gas pressure gauge installed
next to the gas cap indicates only
the pressure of recharged gas in
the gas tank, with no relation to its
temperature.
Conversion of Unit of Pressure
1 kgf/cm
2
= 14.22 psi = 0.98 bar
210 kgf/cm
2
≒
3,000 psi
≒
207 bar
CAUTION
The interior of the engine may crack
if you pour cold coolant into the
system too quickly.
WARNING
Do not open the radiator cap when
the engine is overheated. Hot
coolant may overflow and may result
in injury.
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Summary of Contents for BS Series
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