DAF LF45, LF55 Series. Manual — part 168
©
200505
4-7
Removing and installing
BE ENGINE
ΛΦ45/55 series
2
2
4.5 REMOVAL AND INSTALLATION, VALVE GEAR
Removing the valve gear
1.
Remove the valve cover.
2.
Loosen the lock nuts on the valve stem bolts
and unscrew the bolts until they abut.
3.
Remove the rocker seat attachment bolts.
Note:
Number the rocker seats so that they can be
refitted in their original position.
4.
Remove the rocker seats with the rockers.
5.
Remove the bridges.
Installing the valve gear
1.
Check that the push rods are in the correct
position in the valve tappets and apply a drop
of engine oil to the push rod cavity.
2.
Fit the bridges on the valves.
3.
Fit the push rods in their original position.
4.
Hand-tighten the rocker seats and rockers in
their original position.
5.
Tighten the attachment bolts to the specified
torque. See "Technical data".
6.
Adjust the valve clearance. See "Inspection
and adjustment".
7.
Fit the valve cover.
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©
200505
Removing and installing
2
ΛΦ45/55 series
2
4.6 REMOVAL AND INSTALLATION, INTAKE MANIFOLD
Removing the intake manifold
1.
Remove the hose from the intake manifold
coming from the intercooler.
2.
Detach the electric wiring from the glow
elements (1) (if fitted) using the connectors.
3.
Remove the fuel rail.
4.
Remove the inlet air boost pressure sensor/
temperature sensor (1) from the intake
manifold.
5.
Remove the intake manifold (2).
6.
Cover the open inlet duct from the cylinder
head to prevent the ingress of foreign matter.
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©
200505
4-9
Removing and installing
BE ENGINE
ΛΦ45/55 series
2
2
Installing the intake manifold
1.
Thoroughly clean the sealing surfaces of the
intake manifold and the cylinder head. Do
not let any particles fall into the open inlet
duct in the cylinder head.
2.
Apply a bead (2) of sealant to the sealing
surfaces from the cylinder head to the intake
manifold (1). See "Technical data".
3.
Fit the intake manifold immediately and
tighten the attachment bolts to the specified
torque. See "Technical data".
4.
Fit the inlet air boost pressure sensor/
temperature sensor on the intake manifold.
5.
Fit the fuel rail.
6.
Connect the electric wiring to the glow
elements (if fitted) using the connectors (1).
7.
Fit the hose to the intake manifold coming
from the intercooler.
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©
200505
Removing and installing
2
ΛΦ45/55 series
2
4.7 REMOVAL AND INSTALLATION, EXHAUST MANIFOLD
Removing the exhaust manifold
1.
Remove the heat shields from the exhaust
manifold.
2.
Remove the turbocharger.
3.
Remove the exhaust manifold (1) and
gaskets.
Installing the exhaust manifold
1.
Check the surface of the exhaust manifold
for smoothness with a steel ruler (1) and
feeler gauge (2). Compare the reading with
the values listed in 'Technical data'.
2.
Fit new gaskets to the exhaust manifold and
install the manifold. Tighten the attachment
bolts, from the middle outwards alternately.
For the specified tightening torque, see
'Technical data'.
3.
Fit the turbocharger.
4.
Install the heat shields to the exhaust
manifold and tighten the attachment bolts to
the specified torque. See 'Technical data'.
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