DAF LF45, LF55 Series. Manual — part 206

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5.3 REMOVAL AND INSTALLATION, VISCOUS FAN CLUTCH

Removing the viscous fan clutch
1.

Drain some of the coolant. See "Draining and

filling".

2.

Remove the air inlet hose with air inlet pipe

between the intercooler and the inlet

manifold (1).

3.

Disconnect the heater hose (2) and bleed

hose (3) on engine side and bend it to the

front.

4.

Remove the attachment nuts from the fan.

5.

Remove the bolts attaching the viscous fan

clutch to the drive flange. Remove the

viscous fan clutch with the fan from the wind

tunnel.

Note:

The viscous fan clutch must always be

stored vertically.

Installing the viscous fan clutch
1.

Place the new viscous fan clutch in the fan.

Position it in the wind tunnel and fit the

viscous fan clutch with the fan onto the drive

flange.

2.

Tighten the attachment nuts of the fan.

3.

Fit the heater hose (2) and bleed hose (3).

4.

Fit the air inlet hose with air inlet pipe

between the intercooler and the inlet

manifold (1).

5.

Fill the cooling system. See "Draining and

filling".

6.

Run the engine and check that all

connections are sealed properly.

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5.4 REMOVAL AND INSTALLATION, RADIATOR

Note:

The removal and installation procedure for the

radiator unit allows for the presence of an air-

conditioning unit.

If such a unit is not present, the relevant sections

can be skipped.

Removal, radiator
1.

Drain the coolant.

2.

Remove the fan.

3.

Remove the coolant hoses from the radiator.

4.

Remove the bracket (1) of the air-

conditioning pipes from the radiator.

5.

Remove the left-hand air inlet hose (2) and

air inlet pipe (3) from the inlet manifold to the

intercooler.

6.

Remove the right-hand connecting hose

from the inlet pipe to the intercooler.

7.

Remove the bracket (4) of the heater and

bleed hoses from the radiator.

8.

Remove the torque rod (5).

9.

Remove the retainer clips from the

condenser brackets.

10. Remove the bolts of the wind tunnel (6) and

remove the wind tunnel.

11. Remove the attachment bolts from the

intercooler and remove the cover plate.

12. Remove the attachment bolts from the

radiator brackets. Remove the radiator and

tilt the condenser slightly to free the air-

conditioning pipes.

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Installing the radiator
1.

Fit the radiator in the chassis. Tighten the

attachment nuts to the specified torque. See

"Technical data".

2.

Fit the intercooler onto the radiator and fit the

cover plate.

3.

Install the wind tunnel (6).

4.

Install the torque rod (5).

5.

Suspend the condenser at the bottom in the

brackets and fit the retainer clips.

6.

Fit the fan.

7.

Fit the bracket (4) of the heater and bleed

hoses on the radiator.

8.

Fit the coolant hoses to the radiator

9.

Fit the right-hand air inlet hose from the inlet

pipe to the intercooler.

10. Fit the left-hand air inlet hose (2) and air inlet

pipe (3) from the inlet manifold to the

intercooler.

11. Fit the bracket (1) of the air-conditioning

pipes on the radiator

12. Fill the cooling system. See "Draining and

filling".

13. Run the engine and check that all

connections are sealed properly.

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