DAF 95XF. Manual - part 394

4

XF ENGINE FUEL SYSTEM

Removal and installation

95

XF series

4-12

4.6

REMOVAL AND INSTALLATION, FUEL FILTER

When the fuel filter is removed, a
quantity of fuel will escape. This
fuel must be collected, bearing in
mind the risk of fire.

Removing the fuel filter
1.

Place a tray beneath the filter to collect any
escaping fuel.

2.

Remove the filter by turning it
counter-clockwise.

Note:
The fuel filter is a disposable filter, and must
neither be cleaned nor reused.

Installing the fuel filter
1.

Fill the new fuel filter with clean diesel fuel.

2.

Lightly lubricate the sealing ring with engine
oil.

3.

Fit the filter until the sealing ring abuts and
then tighten the filter by hand another 

1

/

2

to 

3

/

4

 turn.

4.

Bleed the fuel system, if necessary. See
chapter “Inspection and adjustment”.

5.

Start the engine and check for leaks.
Manually re-tighten the filter, if necessary.

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95

XF series

Removal and installation

XF ENGINE FUEL SYSTEM

4-13

4.7

REMOVAL AND INSTALLATION OF FUEL PREFILTER

When the fuel prefilter is removed, a
quantity of fuel will escape. This
fuel must be collected, bearing in
mind the risk of fire.

Removing the fuel prefilter
1.

Place a tray beneath the fuel prefilter (2).

2.

Remove the fuel-prefilter cover (1) by
turning it counter-clockwise.

3.

Remove the fuel prefilter (3).

Installing the fuel prefilter
1.

Clean the fuel prefilter (2) and blow-clean it
with compressed air.

2.

Check the air-filter element for damage. If
required, replace the fuel prefilter.

3.

Check the sealing ring (3) for damage. If
required, replace the sealing ring. Lightly
lubricate the sealing ring with grease and
install it.

4.

Install the fuel prefilter.

Tighten the fuel-prefilter cover to the specified
tightening torque, see main group “Technical
data”.

2

3

1

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4

XF ENGINE FUEL SYSTEM

Removal and installation

95

XF series

4-14

4.8

REMOVAL AND INSTALLATION OF FUEL LEVEL ELEMENT

Removing the fuel level element
1.

To prevent dirt from entering, first clean the
fuel tank.

2.

Remove the connector from the fuel level
element.

3.

Remove the fuel pipes from the fuel level
element.

4.

Turn the fuel level element a quarter turn
counter-clockwise.

5.

Remove the fuel level element from the fuel
tank.

6.

Remove the O-ring.

Installing the fuel level element
1.

Fit a new O-ring.

2.

Check whether the fuel pipes are fitted
correctly in the tank filter.

3.

Fit the fuel level element carefully in the fuel
tank.

4.

Insert the fuel level element into the hole of
the tank and turn it clockwise a quarter turn.

5.

Insert the fuel pipes into the fuel level
element.

6.

Install the connector of the fuel level
element.

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95

XF series

Removal and installation

XF ENGINE FUEL SYSTEM

4-15

4.9

REMOVAL AND INSTALLATION OF TANK FILTER

Removing the tank filter
1.

Remove the fuel level element.

2.

Remove the tank filter.

Installing the tank filter
1.

Check that the difference in length between
the supply line (1) and return line (2) is at
least 68 mm.

2.

Slide the tank filter as far as possible onto
the supply line (1).

Note:
Make sure that the return line (2) is inserted
into the tank filter by-pass as far as
possible, and that the auxiliary heating
supply line (3), if present, is inserted into the
filter part.

3.

Install the fuel level element.

2

1

3

min. 68 mm

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