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15.4 Catalyst conversion system
15.4.1 Construction:
15.4.2 Instructions:
1. The function of conversion catalyst is to convert the waste gas HC, CO, NO
harmless gas before release.
2. Conversion catalyst contains platinum, rhodium and other rare metals, restricted unleaded petrol.
※ Note that leaded petrol will make catalyst failure.
• General notes for inspection and maintenance of vehicles (exhaust pipes) filled with catalytic
converters:
1> Vehicles filled with the conversion catalyst cannot be touched when the engine is running or turned off
for only a short time because of the too high temperature.
2> Vehicles filled with the conversion catalyst cannot be close to combustibles.
3> Exhaust pipe contains carbon monoxide which is harmful to health, so do not run the engine in a
confined space.
4> Vehicles filled with the conversion catalyst cannot use leaded petrol. (To prevent catalyst poisoning)
5> Engine cannot be launched by use of carts. If it must rely on carts to starting the engine, carts can also
not be used until the temperature of the engine and the catalytic converter is lowered.
6> Do not use gear-up and way of shut-down in going downhill.
7> Do not drive the vehicle of bad ignition.
8> when in maintenance of engine ignition, do not disassemble the spark plug. Start the engine and use the
method to check if there is any sparks. If necessary, however, a long time of spark plug removal is not
allowed.
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into H
O, CO
,N
and other
X
2
2、
2
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