Application&Installation Manual
DD PLATFORM APPLICATION AND INSTALLATION MANUAL
A pressurized c ooling system permits higher temperature operation than a non-pressurized
system. It is essential that the cooling system is kept clean and leak-free, that th
e filler cap and
pressure relief mechanisms are properly installed and operate correctly, and that the coolant
level is properly m aintained.
The following illustrations show the coolant flow within the cooling s
ystem.
Figure 8-1 Engine Jacket Water Cooling Sys
tem — Thermostats Closed
Figure 8
-2
Engine J
acket Water Cooling System — Thermostats Fully Open
All information subject to change without notice. 8-3
DDC-SVC-MAN-0073 Copyright © 2009 DETROIT DIESEL CORPORATION