DAF CF65, CF75, CF85 Series . Manual - part 1203

©

 200423

4-7

Removal and installation

EXPLANATORY NOTES ON THE MAINTENANCE ACTIVITIES

ΧΦ85 series

5

4.6 REMOVAL AND INSTALLATION, FUEL FILTER ELEMENT

When removing the fuel filter, a 
quantity of fuel will escape. Collect 
the fuel to avoid the risk of fire.

Removing the fuel filter element
1.

Remove the cover together with the fuel filter 
element from the filter housing.

Note:
The fuel filter element is a disposable filter, 
and may not be cleaned and reused. 
Dispose of the filter as chemical waste.

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EXPLANATORY NOTES ON THE MAINTENANCE ACTIVITIES

4-8

©

 200423

Removal and installation

5

ΧΦ85 series

Fitting the fuel filter element
1.

Replace the cover O-ring.

2.

Fit the fuel filter element in the cover

3.

Fit the cover with fuel filter element. Tighten 
the filter cover to the specified torque. See 
"Technical data".

4.

Pump for approximately 1 minute using the 
primer pump to partially fill the filter housing 
with fuel.

5.

Start the engine and run it at idling speed for 
a few minutes; this will allow any air in the 
filter housing to escape.

6.

If the motor will not start up or runs very 
erratically, the fuel system must be bled, see 
"Draining and filling".

7.

Check the fuel system for leaks.

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©

 200423

4-9

Removal and installation

EXPLANATORY NOTES ON THE MAINTENANCE ACTIVITIES

ΧΦ85 series

5

4.7 REMOVAL AND INSTALLATION, FUEL PREFILTER/WATER SEPARATOR 

FILTER ELEMENT

When removing the fuel prefilter/
water separator, a quantity of fuel 
will escape. Collect the fuel to avoid 
the risk of fire.

Version: Racor

Removing the fuel prefilter/water separator 
filter element
1.

Drain the fuel from the filter element by 
unscrewing the bleed plug (2) and opening 
the drain plug (8).

2.

If fitted, disconnect the water sensor (6) and 
the heating element (7) connectors.

3.

Remove the filter element (4) and the bottom 
cover (5). Clean the O-ring seal. 

Installing the fuel prefilter/water separator 
filter element
1.

Apply a film of engine oil to the O-ring and 
the new sealing ring.

2.

Fit the bottom cover (5) onto the new filter 
element (4).

3.

Fit the bottom cover (5) together with the new 
filter element (4) to the filter housing (3).

4.

Hand-tighten the new filter.

5.

If fitted, attach the water sensor and heating 
element connectors.

6.

Check whether the drain plug (8) is tight.

7.

Open the air-bleeder plug (2) a couple of 
turns.

8.

Operate the primer pump (1) until fuel comes 
out of the air-bleeder plug.

9.

Close the air-bleeder plug (2).

10. Start the engine and check for leaks. If 

necessary, retighten the filter element (4) by 
hand.

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i400356

EXPLANATORY NOTES ON THE MAINTENANCE ACTIVITIES

4-10

©

 200423

Removal and installation

5

ΧΦ85 series

Version: Mann + Hummel

Removing the fuel prefilter/water separator 
filter element
1.

Drain the fuel from the filter element by 
unscrewing the bleed plug (2) and opening 
the drain plug (6).

2.

If fitted, unplug the connectors of the water 
sensor and the heating element.

3.

Remove the filter element (4) together with 
the bottom cover (5) and clean the O-ring 
seal. 

Installing the fuel prefilter/water separator 
filter element
1.

Apply a film of engine oil to the O-ring and 
the new sealing ring.

2.

Fit the bottom cover (5) onto the new filter 
element (4).

3.

Fit the bottom cover (5) together with the new 
filter element (4) to the filter housing (3).

4.

Hand-tighten the new filter.

5.

If fitted, attach the water sensor and heating 
element connectors.

6.

Check whether the drain plug (6) is tight.

7.

Open the air-bleeder plug (2) a couple of 
turns.

8.

Operate the primer pump (1) until fuel comes 
out of the air-bleeder plug.

9.

Close the air-bleeder plug (2).

10. Start the engine and check for leaks. If 

necessary, retighten the filter element (4) by 
hand.

G0 00 266

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