DAF LF45, LF55 Series. Manual — part 166

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Checking and adjusting

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3.7 INSPECTION, VIBRATION DAMPER

1.

Check the reference lines. The reference

lines should form a single line.

2.

Inspect the rubber part for damage or

degradation. If the rubber part shows cracks

or if there are bits of rubber missing, the

vibration damper must be replaced.

3.8 INSPECTING THE CYLINDER HEAD

1.

Check the sealing plugs and expansion

plugs of the cylinder head for leaks. If

necessary, pressure-test the cylinder head.

2.

Inspect the cylinder head for damage to the

sealing surface and any cracks.

3.

Check the cylinder head for smoothness

using a straight edge and feeler gauge. See

"Technical data".

Note:

The cylinder head must be replaced if it does

not meet the specified values.

G0 00 199

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Checking and adjusting

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3.9 INSPECTING THE CYLINDER BLOCK

1.

Inspect the cylinder block for damage to the

sealing surface and any cracks.

2.

Check the cylinder block for smoothness

using a straight edge and feeler gauge. See

"Technical data".

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4-1

Removing and installing

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4. REMOVING AND INSTALLING

4.1 REMOVAL AND INSTALLATION, ENGINE

Suspend the engine securely from

the hoist, using approved lifting

gear.

Various fluids will be released when

fluid pipes are removed.

Collect these fluids. Personal safety

and the risk of fire should always be

considered.

Note:

Because of the large number of vehicle

specifications, it is not feasible to exactly specify

the engine removal and installation procedures

for every vehicle.

This description only includes the most important

points requiring attention.

-

Disconnect the earth lead from the battery

terminal.

-

Avoid opening fluid systems as much as

possible. If possible, remove and set aside

the engine components.

-

When removing the engine, ensure that no

parts or dirt fall into the engine, radiator or

other components. All openings that are

freed should therefore be plugged.

-

Wiring harnesses are vulnerable. If

damaged, they may cause failures. Make

sure these wiring harnesses are not live and

are clear of moving parts.

-

Fit all attachment bolts and tighten them to

the correct torque.

-

The engine should not be allowed to rest on

the oil sump. Because the oil sump is made

of sheet material, it will be severely damaged

by the engine's weight.

-

The engine should not be allowed to rest on

the flywheel housing. It can easily be

damaged by the engine's weight.

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200505

Removing and installing

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ΛΦ45/55 series

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4.2 REMOVAL AND INSTALLATION, ENGINE MOUNTS

Suspend the engine securely from

the hoist, using approved lifting

gear. Various fluids will be released

when fluid pipes are removed.

Collect these fluids. Personal safety

and the risk of fire should always be

considered.

Removing the engine mounts
1.

Disconnect the earth lead from the battery

terminal.

2.

Drain the coolant.

3.

Remove the hoses between the engine and

the radiator.

4.

Remove the attachment bolts from the

radiator torque rod bracket on the engine

side.

5.

Remove the air inlet hoses between the

engine and the air cooler. Plug the openings.

6.

Detach the air-conditioning pipes, if present,

at the top of the radiator.

7.

Detach the heater hose bracket at the top of

the radiator.

8.

Remove the oil supply pipe from the engine.

9.

Remove the lower connector from electronic

unit ECS-DC3.

10. Remove the attachment bolts of the viscous

fan clutch on the drive flange and place the

viscous fan clutch with the fan in the wind

tunnel.

11. Suspend the engine securely in the hoist.

12. Remove the engine mount attachment bolts

at the front and rear of the engine.

13. Hoist the engine very carefully as far as

necessary and support it properly.

14. Remove the engine mounts.

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