5 -22
3. When the 1
st
or 2
nd
warning indicators illuminate in accordance with hydrocarbon concentration, run
and load the engine in order to increase the exhaust gas temperature. If the 3
rd
warning indicators
illuminate, stop the engine and contact your authorized local dealer.
▶
If you do not take an appropriate action when the indicators illuminate, the engine
output power and speed can be limited automatically and you can not work normally
in the field.
Caution
- Handling DEF/urea solution during the long-term storage
Keep the storage temperature within 25°C (77°F).
Do not remove the connector which is related urea solution and cooling system.
Fill the urea tank with new urea solution after draining the residual urea solution in the tank.
Replace the urea solution with a new one in every 4 months and run the engine sufficiently to
change the old urea solution in the SCR system.
In case of reuse of the tractor after storage over the 4 months, inspect the main filter in supply
module, if necessary, replace it with a new one.
When the urea solution is stored in the tractor urea tank, it is available to use the solution about for
4 months. But the period can be shortened depending on the storage temperature.
- Appropriate action when the warning indicators illuminate
Depending on the DEF/urea level, the information and warning system has several signals as below.
For further information, refer to the chapter 3-1-(1).
1. When the indicators illuminate in accordance with shortage of urea solution, stop the engine and
supply the urea solution.
2. When the indicators illuminate in accordance with failure of the smoke reduction system, stop the
engine and contact your authorized local dealer.
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