34 1 ENGINE SYSTEMS
Fuel Flow Schematic
Figure 29 Fuel flow
The fuel filter housing includes the following
components:
• 150 micron fuel strainer
• 300 W fuel heatin g element (optional)
• Primer pump assembly
•Fuelfiltering element
• Water separator
• Water In Fuel (WIF) sensor
• Water drain v alve
• Fuel pressure regulator
• Engine Fuel Pressure (EFP) sensor (optional)
EGES-270-1
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© August 2008 Navistar, Inc.