DAF CF65, CF75, CF85 Series . Manual — part 461
©
200324
1
Contents
XE ENGINE FUEL SYSTEM
CF65/75/85 series
4
8
8 XE Engine fuel system
CONTENTS
Page
Date
1.
SAFETY INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 . . . . . 200324
1.1
Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 . . . . . 200324
2.
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 . . . . . 200324
2.1
Location of components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 . . . . . 200324
2.2
System description, UPEC fuel system . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 . . . . . 200324
2.3
Description of components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7 . . . . . 200324
2.4
Cranking the engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13 . . . . 200324
3.
INSPECTION AND ADJUSTMENT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 . . . . . 200324
3.1
Inspecting fuel level element . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 . . . . . 200324
3.2
Inspecting injector opening pressure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 . . . . . 200324
3.3
Inspecting injector operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5 . . . . . 200324
3.4
Inspecting fuel system for leakage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6 . . . . . 200324
3.5
Bleeding the fuel system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8 . . . . . 200324
3.6
Inspection, gallery pressure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10 . . . . 200324
3.7
Checking the fuel prefilter/water separator . . . . . . . . . . . . . . . . . . . . . . . . 3-11 . . . . 200324
4.
REMOVAL AND INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 . . . . . 200324
4.1
Removal and installation, fuel injection pipe . . . . . . . . . . . . . . . . . . . . . . . 4-1 . . . . . 200324
4.2
Removal and installation, injector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3 . . . . . 200324
4.3
Removal and installation, injector sleeve . . . . . . . . . . . . . . . . . . . . . . . . . 4-5 . . . . . 200324
4.4
Removal and installation, pump unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6 . . . . . 200324
4.5
Removal and installation, fuel lift pump . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9 . . . . . 200324
4.6
Removal and installation, pump housing. . . . . . . . . . . . . . . . . . . . . . . . . . 4-10 . . . . 200324
4.7
Removal and installation, fuel pipes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14 . . . . 200324
4.8
Removal and installation, fuel filter element . . . . . . . . . . . . . . . . . . . . . . . 4-15 . . . . 200324
4.9
Removal and installation, fuel level element . . . . . . . . . . . . . . . . . . . . . . . 4-16 . . . . 200324
4.10 Removal and installation, fuel tank filter . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18 . . . . 200324
4.11 Removal and installation, fuel prefilter/water separator filter element . . . . 4-19 . . . . 200324
5.
DISASSEMBLY AND ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 . . . . . 200324
5.1
Disassembly and assembly, pump housing. . . . . . . . . . . . . . . . . . . . . . . . 5-1 . . . . . 200324
6.
CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1 . . . . . 200324
6.1
Cleaning, injector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1 . . . . . 200324
6.2
Cleaning, injector sleeve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2 . . . . . 200324
XE ENGINE FUEL SYSTEM
2
©
200324
Contents
8
CF65/75/85 series
4
©
200324
1-1
Safety instructions
XE ENGINE FUEL SYSTEM
CF65/75/85 series
4
8
1. SAFETY INSTRUCTIONS
1.1 SAFETY INSTRUCTIONS
Fuel
}
Diesel fuel is an extremely
flammable liquid, and must not be
exposed to naked flames or come
into contact with hot surfaces. The
diesel fuel fumes remaining in an
empty fuel tank form an extremely
explosive mixture.
When fuel system components are being
removed, some fuel will escape.
To keep this spillage to a minimum, unscrew the
tank cap to release any overpressure.
Any spilled fuel must be collected, bearing in
mind the risk of fire.
Exhaust gases
Do not run the engine in an enclosed or
unventilated area.
Make sure exhaust fumes are properly extracted.
}
Exhaust gases contain carbon
monoxide.
Carbon monoxide is a deadly
colourless and odourless gas,
which, when inhaled, deprives the
body of oxygen, leading to
asphyxiation. Serious carbon
monoxide poisoning may result in
brain damage or death.
Moving parts
Remain at a safe distance from rotating and/or
moving components.
Various fluids
Various oils and lubricants used on the vehicle
may constitute a health hazard.
This also applies to engine coolant, windscreen
washer fluid, refrigerant in air-conditioning
systems, battery acid and clutch fluid.
So avoid inhaling and direct contact.
Electrical short-circuit
Always disconnect the battery's earth connection
during repair or maintenance operations for
which the electric power supply is not required.
XE ENGINE FUEL SYSTEM
1-2
©
200324
Safety instructions
8
CF65/75/85 series
4
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