DAF 95XF. Manual - part 392

4

XF ENGINE FUEL SYSTEM

Removal and installation

95

XF series

4-4

Installing the injectors
1.

Clean the injector sleeve, see chapter
“Cleaning”.

2.

Fit a new O-ring (1) and a new copper
shim (2) on the injector. Apply a little
acid-free grease to both rings.

3.

Check the valve-sleeve sealing ring (3) of
the injector. Replace it if leaking and/or
damaged.

4.

Note:
Make sure that the injector clamp (4) is
installed correctly.

Install the injector together with the injector
clamp (4) and tighten the attachment bolt to
the specified tightening torque, see main
group “Technical data”.

5.

Fit the injection lines.

6.

Check the injector seals for leaks, see
“Checking and adjustment”.

7.

Install the DEB, if present.

8.

Fit the valve covers.

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95

XF series

Removal and installation

XF ENGINE FUEL SYSTEM

4-5

4.3

REMOVAL AND INSTALLATION OF INJECTOR SLEEVES

Removing the injector sleeve
1.

Drain part of the engine coolant.

2.

Remove the injection lines.

3.

Remove the injector.

4.

Insert a ball of crumpled paper into the
injector sleeve to prevent metal particles
from entering the engine.

5.

Cut thread (M22 

 1.5) in the injector

sleeve to be removed over a length (A) of
approx. 20 mm.

6.

Insert the special tool (DAF no. 1310425)
into the injector sleeve and use the special
tool (DAF no. 0694928) to remove the
injector sleeve.

Installing the injector sleeve
1.

Clean the injector-sleeve opening
thoroughly.

2.

Note:
Install the injector sleeve dry into the
cylinder head.

Use the special tool (DAF no. 1329305) to
tap the injector sleeve into the cylinder
head.

3.

Install the injector.

4.

Fit the injection lines.

5.

Fill the cooling system.

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4

XF ENGINE FUEL SYSTEM

Removal and installation

95

XF series

4-6

4.4

REMOVAL AND INSTALLATION OF FUEL PUMP

When removing the fuel pump, a
quantity of fuel will escape. This
fuel must be collected, bearing in
mind the risk of fire.

Removing the fuel pump
1.

Disconnect the smoke limiter pipe.

2.

Remove the fuel supply and discharge
pipes on the fuel feed pump.

3.

Remove the injection lines.

4.

Remove the oil supply and return lines.

5.

Remove the air cylinder from the fuel pump
stop control.

6.

Remove the attachment bolts (3) and the
bushes (4) by means of which the fuel
pump coupling (2) is attached to the drive
flange (6).

7.

Remove the fixing bolts of the fuel pump.

8.

Remove the fuel pump from the pump
pedestal.

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95

XF series

Removal and installation

XF ENGINE FUEL SYSTEM

4-7

Installing the fuel pump
1.

Use the special tool (DAF no. 1310477) to
crank the engine in the rotational direction
until the mark on the flywheel (in degrees
before TDC) indicates the injection time of
cylinder 1, see main group “Technical data”.

2.

Remove the valve cover from cylinders 4, 5
and 6.

3.

Check whether the valves of cylinder 6 are
in rocking position.

4.

Check the clutch plates of the fuel pump.

5.

Clean the threaded holes for the attachment
bolts (3) in the drive flange (6).

6.

Remove the clamp bolt (1) from the clamp
and open the slot of the clamp.

7.

Make sure the clamping surfaces of shaft
and clamp are free from grease.

8.

Install the pump on the pump pedestal.

9.

Insert the four fixing bolts of the pump.
Cross tighten the attachment bolts to the
specified torque. See main group “Technical
data”.

10. Turn the drive flange (6) of the fuel pump so

that the code number (5) is positioned
opposite the bolt (1) of the clamp.

11. Note:

Attachment bolts should not be reused;
always use new bolts.

Install the bushes (4) and fit the attachment
bolts (3). Tighten the fixing bolts to the
specified torque. See main group “Technical
data”.

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