DAF CF65, CF75, CF85 Series . Manual — part 214

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3-1

Inspection and adjustment

CE-ENGINE LUBRICATION SYSTEM

ΧΦ65/75/85 series

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4

3. INSPECTION AND ADJUSTMENT

3.1 CHECKING ENGINE OIL CONSUMPTION

Engine oil consumption relates to the engine oil
used during combustion in the engine. Since
engine oil consumption is affected by driving style
and the use to which the vehicle is put, it is also
related to average fuel consumption. See
"Technical data" for the maximum permissible
engine oil consumption.

Test conditions
1.

An engine oil consumption test is only
meaningful after the engine has been run in
(approx. 25,000 km).

2.

Check the engine carefully for engine oil
leakage before carrying out an engine oil
consumption test. First repair any leaks.

3.

Check the average fuel consumption and
engine oil consumption as accurately as
possible.

4.

Only check the engine oil level when the
engine is at operating temperature and only
when the engine has been turned off for five
minutes.

5.

Make sure the vehicle is horizontal before
checking the engine oil level.

CE-ENGINE LUBRICATION SYSTEM

3-2

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Inspection and adjustment

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ΧΦ65/75/85 series

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3.2 INSPECTION, LUBRICATING OIL PRESSURE

1.

Bring the engine up to operating
temperature.

2.

Remove the plug from the main oil channel.
It is located on the left, in the centre of the
engine block.

3.

Connect the special tool (DAF no. 0535551)
to the oil pressure gauge connection.

4.

Start the engine and measure the lubricating
oil pressure at idling speed and at full-load
engine speed.
Compare the pressure readings with the
technical data. See "Technical data".

5.

Stop the engine and remove the oil pressure
gauge. Fit the plug with a new sealing ring.

M201150

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Inspection and adjustment

CE-ENGINE LUBRICATION SYSTEM

ΧΦ65/75/85 series

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4

3.3 PRESSURE TESTING THE OIL COOLER

1.

Remove the oil cooler. See "Removal and
installation".

2.

Fit the special tool (DAF no. 1329478).

3.

Apply up to 5 bar of pressurised air to the
special tool.

4.

Immerse the oil cooler in warm water
(approx. 50

|C) and check the cooling

element for leaks.

Note:
The oil cooler should be replaced if it is
leaking.

5.

Remove the special tool.

6.

Fit the oil cooler. See "Removal and
Installation".

M201154

CE-ENGINE LUBRICATION SYSTEM

3-4

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Inspection and adjustment

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ΧΦ65/75/85 series

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