34 ENGINE SYSTEMS
Fuel Flow Schematic
Figure 30 Fuel flow
The fuel filter housing includes the following
components:
• 150 micron fuel strainer
• 300W fuel heating element (optional)
• Primer pump assembly
•Fuelfiltering element
• Water separator
• Water In Fuel (WIF) sensor
• Water drain valve
• Fuel pressure regulator
• Engine Fuel Pressure (EFP) sensor (optional)
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.
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