BYD F3DM, Owner'S Manual

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F3DM Owner’s Manual
gas to be drawn into the car.
y
To ensure normal operation of
ventilation system, keep the inlet
grilles in front of the windshield
clear of snow, leaves or other
stuffs.
y
If you smell exhaust gas in
t h e c a r, o p e n t h e w i n d o w
immediately, figure out the place
where the exhaust gas come
from, and make it corrected .
WARNING
y
When the exhaust pipes installed
through both sides of the car
are heat, it may burn your body,
please keep your hands or other
parts of body away from the
inferior edge of the car.
y
Do not get close or touch the
three-way catalytic converter
when the engine is running
or within half an hour after it
stopped.
Consumption of Engine Oil
Function of Engine Oil
Engine oil is used to lubricate and cool
the inside of the engine and plays a
major role in maintenance the engine
in proper working order.
Consumption of Engine Oil
It is normal that an engine need to
consume some engine oil during
normal engine operation. The causes
of oil consumption in a normal engine
are as follows.
● Pistons, piston rings and cylinders
are lubricated by engine oil. When a
piston moves downwards in a cylinder,
a thin film of oil will be formed on
the cylinder wall. In deceleration,
the resulting high negative pressure
will suck some engine oil from the
film to the combustion chamber. The
sucked-in engine oil will be combusted
together with the oil film on the cylinder
wall during the high-temperature
combustion in the chamber.
●The intake valve stems are also
lubricated by engine oil. Some engine
oil is sucked into the combustion
使用手册小330.indd 127 2011-4-13 18:36:50