COMPONENT PARTS OF UREA SCR SYSTEM
10 STRUCTURE AND FUNCTION
AdBlue/DEF PUMP STRUCTURE OF AdBlue/DEF PUMP A: Suction from AdBlue/DEF tank B: Return to AdBlue/DEF tank C: Pressurized sending to AdBlue/DEF injector 1: AdBlue/DEF pump 2: AdBlue/DEF inlet connector 3: AdBlue/DEF return connector (*1) 4: AdBlue/DEF outlet connector 5: Electric connector 6: AdBlue/DEF filter cap 7: AdBlue/DEF filter (built-in) *1: There are some machine models which are not equipped with check valve.
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The followings are built-in: The filter to collect the dust in AdBlue/DEF, the valve to switch the flow direction when purging, and the heater to thaw AdBlue/DEF when it is frozen.
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It sucks AdBlue/DEF from AdBlue/DEF tank, pressurizes it to 900 kPa {9.18 kgf/cm2} , and sends it to AdBlue/DEF injector.
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To prevent wrong connection of connectors, the return connectors are white and can be distinguished from others. The sizes of inlet connector and outlet connector are different and they cannot be connected each other.
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P
A4P15769
10-34
95LE-7 SERIES
