Boost Mode - Detroit Diesel Series 60 EGR Technician Manual

OPERATIONAL MODES

BOOST MODE

During boost mode the following occurs (see Figure 3-1):
EGR valve closed
No EGR flowing through the EGR cooler or delivery pipe
VNT vane position controlled by intake manifold boost pressure and limited by the
turbocharger speed
Red = Exhaust Gas
Blue= No EGR Flow
Figure 3-1 Boost Mode EGR Valve Closed
3-2
Yellow= Vehicle Air (VPODs)
All information subject to change without notice. (Rev. June 2005)
7SE60 0506 Copyright © 2005 DETROIT DIESEL CORPORATION