DAF CF65, CF75, CF85 Series . Manual - part 209

 

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DAF CF65, CF75, CF85 Series . Manual - part 209

 

 

©

 200351

5-1

Removal and installation

CE-ENGINE COOLING SYSTEM

ΧΦ65/75/85 series

2

3

5. REMOVAL AND INSTALLATION

5.1 REMOVAL AND INSTALLATION, COOLANT PUMP

Removal, coolant pump
1.

Drain the coolant. See "Draining and filling".

2.

Remove the poly-V-belt.

3.

Remove the attachment bolts from the 
coolant pump and remove it.

Installation, coolant pump
1.

Thoroughly clean the sealing surfaces of the 
coolant pump and the cylinder block.

2.

Check the O-ring. If the O-ring is not 
damaged, it may be re-used.

3.

Fit the coolant pump and tighten the 
attachment bolts to the specified torque. See 
"Technical data".

4.

Fit the poly-V-belt.

5.

Fill the cooling system. See "Draining and 
filling".

M201137

CE-ENGINE COOLING SYSTEM

5-2

©

 200351

Removal and installation

3

ΧΦ65/75/85 series

2

5.2 REMOVAL AND INSTALLATION, THERMOSTAT

Removing the thermostat
1.

Drain the coolant. See "Draining and filling".

2.

Remove the water hose between the 
thermostat housing and the radiator.

3.

Remove the thermostat housing attachment 
bolts.

4.

Remove the thermostat housing.

5.

Remove the thermostat.

Installing the thermostat
1.

Fit the thermostat in the thermostat housing.

2.

Fit the thermostat housing onto the cylinder 
head.

3.

Fit the thermostat housing attachment bolts. 
Tighten the attachment bolts to the specified 
torque. See "Technical data".

4.

Fit the water hose between the thermostat 
housing and the radiator.

5.

Fill the cooling system. See "Draining and 
filling".

M201156

©

 200351

5-3

Removal and installation

CE-ENGINE COOLING SYSTEM

ΧΦ65/75/85 series

2

3

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 upper radiator hose.

3.

Remove the air inlet hose between the air 
cooler and the inlet manifold (B).

4.

Remove the heater hose.

5.

Remove the torque rods (A).

6.

Remove the locking screws from the wind 
tunnel collar (C) and turn the latter inwards.

7.

Remove the attachment nuts from the fan.

8.

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.

Turn the wind tunnel collar (C) back and fit 
the locking screws.

4.

Fit the torque rods (A).

5.

Fit the heater hose.

6.

Fit the air inlet hose between the air cooler 
and the inlet manifold (B).

7.

Fit the upper radiator hose.

8.

Fill the cooling system. See "Draining and 
filling".

9.

Run the engine and check that all 
connections are sealed properly.

M201193

B

A

B

A

C

M201193

B

A

B

A

C

CE-ENGINE COOLING SYSTEM

5-4

©

 200351

Removal and installation

3

ΧΦ65/75/85 series

2

5.4 REMOVAL AND INSTALLATION, RADIATOR UNIT

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 sections 
concerned can be skipped.

Removing the radiator unit
1.

Drain the coolant.

2.

Disconnect the torque rods (A).

3.

Remove the air inlet hoses (B) between the 
engine and the air cooler.

4.

Remove the locking screws from the wind 
tunnel collar (C) and turn the latter inwards.

5.

Disconnect the air-conditioning condenser (if 
fitted) including accessories from the radiator 
unit.

6.

Disconnect the air-conditioning compressor 
from the engine and carefully put the 
complete air-conditioning system to one 
side.

7.

Disconnect the rubber hoses from the 
radiator unit.

8.

Disconnect the oil filler pipe from the radiator 
unit.

9.

Disconnect the radiator unit and remove the 
assembly with the air cooler.

Installing the radiator unit
1.

Fit the radiator in the chassis. Tighten the 
attachment nuts to the specified tightening 
torque. See "Technical data".

2.

Fit the oil filler pipe to the radiator unit.

3.

Fit all rubber hoses to the radiator unit.

4.

Fit the air-conditioning compressor to the 
engine.

5.

Fit the air-conditioning condenser (if present) 
including accessories to the radiator unit.

M201193

B

A

B

A

C

 

 

 

 

 

 

 

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