DAF LF45, LF55 Series. Manual - part 653

©

 200515

4-3

Removal and installation

EXPLANATORY NOTES ON THE MAINTENANCE ACTIVITIES

ΛΦ45/55 series

5

4.3 REMOVAL AND INSTALLATION, LUBRICATING OIL FILTER

To prevent skin injury, avoid 

unnecessary contact with the 

drained lubricating oil.

Be careful when changing the oil. 

Hot oil may cause serious injuries.

Removing the lubricating oil filter
1.

Place a tray beneath the lubricating oil filter.

2.

Clean the area surrounding the filter element 

if this is very dirty.

3.

Remove the filter element by turning it anti-

clockwise. Collect the oil that comes out.

4.

Remove the O-ring if it has not been 

removed already.

Installing the lubricating oil filter
1.

Lightly oil the filter element sealing ring.

2.

Fill the filter element with clean oil. Use the 

specified oil. 

3.

Fit the filter element onto the housing. 

Tighten the filter element until the sealing 

ring abuts. Tighten the filter element a further 

• to 1 turn by hand.

4.

Run the engine for a short time and check 

that the lubricating oil filter is correctly 

sealed. 

5.

Check the oil level and correct if necessary. 

Use the specified oil.

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EXPLANATORY NOTES ON THE MAINTENANCE ACTIVITIES

4-4

©

 200515

Removal and installation

5

ΛΦ45/55 series

4.4 REMOVAL AND INSTALLATION, FUEL FINE FILTER

When removing the fuel fine filter, a 

quantity of fuel will escape. Collect 

the fuel and avoid the risk of fire.

Removing the fuel fine filter
1.

Place a container beneath the fuel fine filter 

and remove the filter.

Note:

The fuel fine filter is a disposable filter and 

must therefore not be cleaned and re-used.

Installing the fuel fine filter

Note:

Do not fill the fine filter with fuel until it has 

been fitted. The fine filter is filled with fuel by 

the primer pump after it has been fitted. This 

considerably reduces the risk of dirt getting 

into the fuel system.

1.

Check by hand whether the coupling piece 

for the filter attachment is securely attached.

2.

Lightly lubricate the filter sealing ring with 

clean engine oil.

3.

Fit the filter element onto the housing. 

Tighten the filter element until the sealing 

ring abuts. Tighten the filter element a further 

∂ to • turn by hand.

4.

Bleed the fuel system. See "Inspection and 

adjustment".

5.

Start the engine and check the fuel system 

for leaks. If necessary, retighten the filter by 

hand.

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©

 200515

4-5

Removal and installation

EXPLANATORY NOTES ON THE MAINTENANCE ACTIVITIES

ΛΦ45/55 series

5

4.5 REMOVAL AND INSTALLATION, FUEL PREFILTER/WATER SEPARATOR

When removing the fuel prefilter/

water separator, a quantity of fuel 

will escape. Collect the fuel and 

avoid the risk of fire. 

Removing the fuel prefilter/water separator 
filter element
1.

Place a container under the filter.

2.

Remove the plug (3) from the water 

sensor (2).

3.

Remove the fuel prefilter/water separator 

filter element (1) by turning it anti-clockwise.

4.

Remove the water sensor (2) from the filter 

element (1).

Installing the fuel prefilter/water separator 
filter element
1.

Check by hand whether the coupling piece 

for the filter attachment is securely attached.

2.

Lightly lubricate the sealing ring with engine 

oil.

3.

Fit the fuel prefilter/water separator filter 

element (1) until the sealing ring abuts. 

Tighten the filter element a further 

∂ to • 

turn by hand.

4.

Turn the water sensor (2) onto the filter 

element until it abuts. Tighten the water 

sensor by about a further 

 -  turn.

Note:

Over-tightening the water sensor (2) may 

damage the sensor and/or cause leakage.

5.

Fit the plug (3) on the water sensor (2).

6.

Bleed the fuel system. See "Inspection and 

adjustment".

7.

Start the engine and check for leaks. If 

necessary, retighten the fuel prefilter/water 

separator filter element (1) by hand.

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EXPLANATORY NOTES ON THE MAINTENANCE ACTIVITIES

4-6

©

 200515

Removal and installation

5

ΛΦ45/55 series

4.6 REMOVAL AND INSTALLATION, VALVE COVER

When the engine or parts of the 

engine are opened, dirt can get in. 

This may cause serious damage to 

the engine. The engine should 

therefore be cleaned thoroughly 

before any parts are opened.

Removing the valve cover
1.

Clean the area around the valve cover.

2.

Remove the banjo bolt and the attachment of 

the plastic crankcase breather tube. 

3.

Remove the valve cover attachment nuts.

4.

Remove the valve cover.

Installing the valve cover
1.

Clean the sealing surface of the valve sleeve 

and the valve cover.

2.

Check the valve cover gasket. If the valve 

cover gasket is not damaged, it may be re-

used. 

3.

Fit the valve cover gasket to the valve cover. 

4.

Fit the valve cover.

5.

Fit the valve cover attachment nuts and 

tighten them to the specified torque; see 

"Technical data".

6.

Fit the plastic crankcase breather tube and 

the banjo bolt to the valve cover.

Steering gear and brake system

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