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

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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

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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

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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

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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