18 ENGINE SYSTEMS
Engine Systems
Engine System Diagram
Figure 10 Engine systems
The primary engine systems are Air Management and
Fuel Management which share some subsystems or
have a subsystem that contributes to their operation.
• The Electronic Control system controls the Air
Management System and Fuel Management
System.
• The Coolant System provides heat transfer for
EGR gases and lubrication oil.
• The Lube Oil System provides lubrication and
heat transfer to engine components.
• The ICP system uses lube oil for hydraulic fluid to
actuate the fuel injectors.
• The Fuel Supply System pressurizes fuel for
transfer to the fuel injectors.
EGES-265-2
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.