COMPONENT PARTS OF UREA SCR SYSTEM
10 STRUCTURE AND FUNCTION
AdBlue/DEF HOSE STRUCTURE OF AdBlue/DEF HOSE
1: Connector
5: Insulation tape
2: Housing
6: Heating wire
3: Coupling
7: Nylon tube
4: Corrugated tube •
It is used as AdBlue/DEF piping between AdBlue/DEF tank and AdBlue/DEF pump or between AdBlue/DEF pump and AdBlue/DEF injector.
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The shape of the engaging portion between AdBlue/DEF tank and AdBlue/DEF pump or AdBlue/DEF injector pin is based on 3/8 inches or 5/16 inches of SAE J2044. It can be disconnected or connected with one touch.
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There are 2 types of hose end shape such as straight shape and 90 deg. elbow shape.
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There are 2 types of nylon tubes of its outside diameter 5 mm and 8 mm. Choose the suitable one according to the model and the part to use.
FUNCTION OF AdBlue/DEF HOSE •
In the cold weather, the specified current flows in the heating wire immediately after the engine is started. It heats nylon tube and thaws AdBlue/DEF which has frozen in the nylon tube.
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It also keeps temperature constant to prevent AdBlue/DEF from freezing again while machine is operated.
10-36
95LE-7 SERIES
