CHAPTER 4
FUEL, AIR INTAKE AND EXHAUST SYSTEMS
Section I FUEL SYSTEM
GENERAL
The maintenance procedures are given under the following headings:
This section contains instructions on how to remove, disassemble, clean,
inspect, assemble, test and install the fuel system. The fuel system con-
sists of the following:
l Electric Fuel Pumps
l Fuel Check Valves
l Fuel Filter Assemblies
l Fuel Tank Level Transmitters
l Hoses, Tubes and Fittings
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Draining of Fuel System (p 4-2)
Heat Shield Removal (p 4-2.1)
Fuel Hoses, Lines and Fittings
Removal (p 4-2.2)
Fuel Fill Access Plate, Fuel Fill
Cap and Fuel Strainer (p 4-5)
Filler Neck Assembly Seal (p 4-6)
Filler Neck Removal (p 4-6.1)
Fuel Tank Level Transmitter (Upper)
Removal (p 4-6.2)
Fuel Tank Level Transmitter (Lower)
Removal (p 4-8)
Fuel Check Valve (Right and Left) (p 4-9)
Left Electric Fuel Pump Removal (p 4-10)
Right Electric Fuel Pump Removal (p 4-10.1)
Fuel Filter Assembly (Primary)
Removal (p 4-11)
l Primary Fuel Filter Lifting Bracket (p 4-12.2)
l Fuel Filter Assembly (Secondary)
Removal (p 4-13)
l Secondary Fuel Filter Lifting Bracket (p 4-14.2)
l Engine Driven Fuel Pump
Removal (p 4-15)
l Electric Fuel Pump Removal (p 4-16)
l Relief Valve Checking and Cleaning (p 4-17)
l Powerpack Fuel Hoses, Tubes, and
Connectors Removal (p 4-19)
l Fuel Flow Test (p 4-22)
4-1
Change 1
TA312721
TM 9-2350-267-20
