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Section 5
Exhaust & Aftertreatment
Routing to the Dosing Module (Injector)
A DEF pressure line "trap" is no longer required after EPA 2013 emissions level engine. The dosing module (injector) no
longer needs to be purged and relative heights of components is no longer critical.. See Figure 5-7 below for typical rout-
ing with RHUC exhaust and LH DEF tank shown. Also shown in this figure is the coolant line routing for T680 and T880
models.
FIGURE 5-1. Routing DEF and Coolant Lines
5-5
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