DAF LF45, LF55 Series. Manual - part 321

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 200416

5-19

Removal and installation

CE ENGINE FUEL SYSTEM

ΛΦ45/55 series

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5.9 REMOVAL AND INSTALLATION, FUEL LEVEL ELEMENT

When removing the fuel prefilter/

water separator, a quantity of fuel 

will escape. Collect the fuel and 

avoid the risk of fire.

Dirt in the fuel system can lead to 

significant damage to parts of the 

system. All open connections must 

therefore be sealed.

Removing fuel level element
1.

Disconnect the earth lead from the battery 

terminal.

Note:

To prevent dirt from entering, first clean the 

outside of the fuel tank.

2.

Drain the fuel tank until it is less than 1/3 full.

3.

Remove the connector from the fuel level 

element.

4.

Remove the attachment bolts of the fuel level 

element and carefully remove the fuel level 

element from the fuel tank.

5.

Remove the gasket.

Installing fuel level element
1.

Clean the contact surface of the fuel tank and 

the fuel level element.

2.

Fit a new gasket to the fuel level element and 

fit the fuel level element.

3.

Fit the attachment bolts of the fuel level 

element.

4.

Fit the connector of the fuel level element.

5.

Fill the fuel tank with fuel to a level above the 

lip of the fuel level element and check the 

tank for leaks.

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CE ENGINE FUEL SYSTEM

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©

 200416

Removal and installation

5

ΛΦ45/55 series

4

5.10 REMOVAL AND INSTALLATION, FUEL TANK

When the fuel tank is removed, a 

quantity of fuel will escape. Collect 

the fuel and avoid the risk of fire. 

Dirt in the fuel system can lead to 

significant damage to parts of the 

system. Prevent this by cleaning the 

parts before disassembly and then 

sealing all open connections.

Removing fuel tank
1.

To prevent dirt from entering, first clean the 

outside of the fuel tank.

2.

Drain the fuel tank until it is almost empty.

3.

Remove the connector from the fuel level 

element.

4.

Remove the fuel connections from the fuel 

tank.

5.

Loosen the fuel pre-filter/water separator 

from the fuel tank and put it to the rear.

6.

Loosen the tank straps.

7.

Remove the fuel tank.

Installing the fuel tank
1.

Check the fuel tank for damage.

2.

Fit the fuel tank with the straps.

3.

Fit the fuel pre-filter/water separator on the 

fuel tank.

4.

Fit the fuel connections on the fuel tank.

5.

Fit the connector of the fuel level element.

6.

Fill the fuel tank with fuel.

7.

Bleed the fuel system. See "Inspection and 

adjustment".

8.

Check the tank and the fuel pipes for leaks.

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©

 200416

5-21

Removal and installation

CE ENGINE FUEL SYSTEM

ΛΦ45/55 series

4

5

5.11 REMOVAL AND INSTALLATION, ELECTRONIC UNIT COOLING PLATE

When removing the cooling plate, 

fuel will escape. Collect the fuel and 

avoid the risk of fire. 

Dirt in the fuel system can lead to 

significant damage to parts of the 

system. Prevent this by cleaning the 

parts before disassembly and then 

sealing all open connections.

Note:

The electronic unit, together with the cooling 

plate, must first be removed from the engine 

block, after which the cooling plate must be 

demounted.

Removing electronic unit cooling plate
1.

Disconnect the earth lead from the battery 

terminal.

2.

To prevent dirt from entering, first clean the 

area around the fuel connections.

3.

Remove the fuel pipes (1) on the cooling 

plate of the electronic unit.

4.

Uncouple the electrical connectors (2) from 

the electronic unit and loosen the attachment 

clip (3) from the cable harness.

5.

Remove the attachment bolts by which the 

electronic unit is fitted to the engine block.

6.

Remove the electronic unit and cooling plate.

7.

Remove the attachment bolts by which the 

electronic unit is fitted to the cooling plate 

and remove the cooling plate.

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CE ENGINE FUEL SYSTEM

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©

 200416

Removal and installation

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ΛΦ45/55 series

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Installing electronic unit cooling plate
1.

Clean the cooling side of the electronic unit 

and the cooling plate.

2.

Inspect the sealing surfaces of the cooling 

plate and the electronic unit for damage and 

smoothness.

3.

Fit a new sealing rubber (1) in the cooling 

plate.

4.

Fit the cooling plate to the electronic unit and 

fit the bolts attaching the two parts. Tighten 

the attachment bolts to the specified torque. 

See "Technical data".

5.

Fit the electronic unit and cooling plate to the 

engine block and fit the attachment bolts. 

Tighten the attachment bolts to the specified 

torque. See "Technical data". 

6.

Connect the electrical connectors to the 

electronic unit and attach the cable harness 

with the clips.

7.

Connect the quick-release couplings of the 

fuel pipes to the electronic unit cooling plate.

8.

Bleed the fuel system. See "Inspection and 

adjustment".

9.

Fit the earth lead to the battery terminal.

10. Start the engine and check the fuel system 

for leaks.

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