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Iveco Daily Euro 4. Manual - part 66

88343

88344

88340

88346

88347

Figure 209

Figure 210

Figure 211

Figure 212

Figure 213

Lubricate the new seal rings (1) with engine oil and fit them
on the covers (2).
Fit the covers (2) on the overhead, drive in the fastening
screws (3) and tighten them to the prescribed torque.

Lubricate the support pins of the suction camshafts (2) and
exhaust camshafts (4) and fit them on the overhead (1).

Fit the top skid (3) and drive in the nuts (4), then tighten them
to the prescribed torque.
Fit the shoulder plate (2) and drive in the screws (1), then
tighten them to the prescribed torque.

Position the camshafts (3 and 4) so that the pins 99360614
(1) can be inserted in the camshaft slots (2) through the
over-head threaded holes.

Rotate the driving shaft so that the tool 99360615 (1) can be
inserted in the shaft crank hole through the cylinder block
hole, in order to stop the engine in the timing system setting
condition.

AUXILIARY ORGAN CONTROLS

During this operation do not exchange the
assembly position of the shafts.
The suction camshaft can be recognised (2)
through the dowel (3) on the front side and the
retainer on the rear side.
In addition, take care not to damage the support
seats of the over-head shafts.

NOTE

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88348

88277

88279

88278

88349

88276

Figure 214

Figure 215

Figure 216

Figure 217

Figure 218

Figure 219

Lubricate the seal rings (1 and 2) with engine oil and fit them
on the support (3).

Fit the support (1) and drive in the nuts (2), then tighten them
to the prescribed torque.
Fit the stem (3).

Stop the stem rotation (2) of the hydraulic power steering
pump by inserting in the latter the tool (3) and fastening the
tool on the support (1) by means of the screws (4).

Fit the gear (1) on the stem (3) of the hydraulic power
steering pump.
Drive in the screw (2) without locking it.

Lubricate the new seal rings (1 and 2) with engine oil and fit
them on the support (3).

Fit the support (1), drive in the nuts (2) and tighten them to
the prescribed torque.
Fit the control stem (3) of the high pressure pump.

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Check the conditions of the fixed skids (1 and 3) and change
them if worn out.
Fit the skid (1) and drive in the fastening screws (2), then
tighten them to the prescribed torque.
Fit the skid (3) and drive in the fastening screws (4), then
tighten them to the prescribed torque.

88351

88274

88352

88353

Figure 220

Figure 221

Figure 222

Figure 223

Position the chain (1) on the gears (2, 3 and 5) and fit the gear
(3) on the stem (4) so that the chain (1) in tracts A and B is
tensioned.

Fit the stem with the drive gear (2) on the high pressure
pump control stem (1).
Drive in the fastening screw (3).

Cynder head refitting

Check that the mating surfaces of the cylinder head and
crankcase are clean.
Keep the cylinder head gasket clean.
Place the gasket (1) of the cylinder head with the thickness
given in section “Check piston protrusion”, with the “TOP”
sign facing the head.

It is essential to keep the gasket sealed in its package
until just before assembly.

88354

Figure 224

Mount the cylinder head (2).

Screw down the fixing screws (3) and tighten them, in three
successive stages, following the order and methods shown in
the following figure.

NOTE

The angle closure is done with tool 99395216 (1).

NOTE

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88355

Figure 225

Diagram of the tightening sequence for the cylinder head
fixing screws:

- 1

phase: pre-tightening with torque wrench

•

screws 1-2-3-4-5-6 to a torque of 130 Nm;

•

screws 7-8-9-10 to a torque of 65 Nm.

- 2

phase: angle closing

•

screws 1-2-3-4-5-6 90

°;

•

screws 7-8-9-10 90

°.

- 3

phase: angle closing

•

screws 1-2-3-4-5-6 90

°;

•

screws 7-8-9-10 60

°.

- Screws A, to a torque of 25 Nm

Thoroughly clean the hydraulic tappets (2), lubricate them and
fit them in the cylinder head (3), positioning the rocker arms (1)
on the valves correctly.
Fit on the gasket (5).
Insert the two tools SP. 2264 (4) into the electro-injector seats
for subsequent centring of the overhead on the cylinder head.

Mount the overhead (1) together with the tools 99360614
(3) for the timing and tighten the fixing screws (2) to the
prescribed torque.
Take out the tools SP. 2264 (4).

Figure 226

88356

Figure 227

88357

TIMING SYSTEM CONTROL

Figure 228

88270

Fit the top fixed skid (1). Drive in the screws (2 and 3) and
tighten them to the prescribed torque.
Fit the rubber cap (4) of the new gasket and tighten it to the
prescribed torque.

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Content .. 64 65 66 67 ..