Remove/install fan

AR20.40-W-5614S

Remove/install fan

3.12.15

Engine

457.9 in model 949

1

Fan

2

Nuts

3

Radiator unit

 Danger !

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A



Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

 

Remove/install

1

Open engine hood and raise to vertical position

AR88.40-W-1000R

2

Take off cover on air filter housing



AP09.10-W-0980R

3

Loosen left charge air hose (black) and right charge air hose (red) from charge air cooler

 Clamp, charge air hose to charge air housing/charge air pipe and charge air cooler

*BA09.41-N-1001-01K

4

Remove screw/bolts for support bearing for radiator unit (3) on left and right

5

Unscrew nuts (2)

 There must be six nuts (2) unbolted altogether.

 Engine 457.9 without code MZ3 (Electromagnetic viscous coupling for fan)Bolt, fan to viscous fan clutch

*BA20.40-N-1001-01L

6

Push radiator unit (3) to the front and remove fan (1)

7

Install in the reverse order

8

Start engine and perform a engine test run; check charge air hose for leaktightness

 Charge air pipe/charge air cooling

Number

Designation

Engine 457.91/97/98

BA09.41-N-1001-01K

Clamp, charge air hose to charge air housing/charge air pipe and charge air cooler

Nm

7,5

 Fan, fan clutch

Number

Designation

ENGINE 457.9 except CODE MZ3,MZ5

BA20.40-N-1001-01L

Bolt, fan to viscous fan clutch

Nm

30