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Komatsu PC240LC-11 Shop Manual page 37

Hydraulic excavator
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00 INDEX AND FOREWORD
STORE AdBlue/DEF
If the temperature of AdBlue/DEF becomes high, harmful ammonia gas may be generated. Completely seal
up its container for storage. Only open containers in a well-ventilated area.
Store AdBlue/DEF avoiding direct sunlight. Always use the original container at the time of purchase. Do
not exchange the container of AdBlue/DEF with another one. If AdBlue/DEF is stored in an iron or alumi-
num container, toxic gas may develop and a chemical reaction may corrode the container.
AdBlue/DEF freezes at –11 °C. The recommended temperature for storage is -5 °C or above.
The relation between the upper limit of storage temperature and the storage period of AdBlue/DEF is
shown in the table.
Temperature of storage area
Max.10 °C
Max.25 °C
Max.30 °C
Max.35 °C
*: Do not store AdBlue/DEF in the temperature of 35 °C or above.
Handling AdBlue/DEF in cold weather
AdBlue/DEF freezes at –11 °C.
AdBlue/DEF may freeze and expand to break the devices and parts in the tank. The parts inside the tank
may be affected. Add AdBlue/DEF to the specified amount for cold weather (below the level of when AdBl-
ue/DEF may freeze).
In cold weather, keep AdBlue/DEF or the machine installed with AdBlue/DEF in the indoors where the tem-
perature is at –11 °C or higher to prevent AdBlue/DEF in the tank from freezing.
If AdBlue/DEF or the machine installed with AdBlue/DEF cannot be stored in the indoors where the temper-
ature is at –11 °C or higher (if they are left outdoors in cold weather), AdBlue/DEF in the tank may freeze.
Drain AdBlue/DEF to prevent it from freezing.
PC240LC-11
Storage period
Up to 36 months
Up to 18 months
Up to 12 months
Up to 6 months
STORE AdBlue/DEF
00-35

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