Peu To Def Injector - Perkins 1200F Series Supplement Manual

2.8.2 PEU to DEF injector

There are limitations on the relative position of the PEU outlet and the DEF injector inlet
connection; these are detailed in fig 2.4 below.
•
The longest DEF pressure line allowed is 4000 mm.
•
The lowest point on the DEF pressure line, which attaches to the injector, should be no
more than 1000 mm lower than the bottom of the PEU.
•
The highest point on the DEF pressure line, which attaches to the injector, should be no
more than 1500 mm higher than the bottom of the PEU
•
A P-Trap should be used to prevent DEF pooling at the injector.
•
This requires the lines lowest point to be at least 100mm lower than the injector
connection.
A&I manual Publication TPD 1832 – Production issue 3.
Fig 2.4 – PEU Relative Position to DEF Injector
1204F - DEF System Supplement
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