Remove/install fan drive poly-V belt (rear belt)

AR13.21-W-2005H

Remove/install fan drive poly-V belt (rear belt)

29.01.2015

ENGINE

470.9 in MODEL 963, 964

with 3-belt drive

ENGINE

471.9 in MODEL 963, 964

with 3-belt drive

ENGINE

473.9 in MODEL 963, 964

with 3-belt drive

1

Fan

5

Poly-V belt (rear fan drive)

7

Tensioning device

2

Fan clutch

6

Guide pulley

8

Belt pulley/vibration damper

 Danger !

Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension

Use only approved tensioning devices; additionally screen off hazardous area if necessary. Check special tools for damage and proper operation (visual inspection). Wear protective gloves.

AS00.00-Z-0001-01A

 Danger !

Risk of injury caused by body parts being pinched or crushed as cab is tilted

Ensure that no one is within the tilting range of the cab as it is being tilted. Always tilt the cab all the way to the end position and secure with the safety strut.

AS60.80-Z-0001-01A



Notes on self-locking nuts and bolts

AH00.00-N-0001-01A



Notes on tilting the cab

AH60.80-N-0003-01A

 

Remove/install

1

Tilt cab

2

Remove soundproofing

3.1

Remove air intake hose

Vehicles with code M8A (Air intake, from the front)

AR09.10-W-8030-01H

 Installation: Check clamps for damage; replace if necessary.

 Clamp, air intake hose to turbocharger

*BA09.20-N-1001-01E

3.2

Remove charge air hose (red)

Vehicles without code M8A (Air intake from the front)

 Installation: Check clamps for damage; replace if necessary.

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

*BA09.41-N-1010-01P

4

Remove single tensioning device for fan drive poly-V belt (1)

AR13.25-W-4010H

5

Remove fan (1) from fan clutch (2) and lay in the radiator shroud

Vehicles with code M8A (Air intake, from the front)

AR20.40-W-5614HA

Vehicles without code M8A (Air intake from the front)

AR20.40-W-5614H

6

Loosen poly-V belt (5) and remove

AR13.22-W-3902-05H



Damage profiles for a poly-V belt

AP13.22-D-1351-01A

Routing diagram for belt drive

AR13.20-W-1000-01H

 Do not slacken poly-V belt (basic belt drive).

 Installation: Check all components of belt drive for damage and wear; replace if necessary.

7

Install in the reverse order

 Intake manifold

Number

Designation

ENGINE 470.9, 471.9, 473.9, 934.9, 936.9

BA09.20-N-1001-01E

Clamp, air intake hose to turbocharger

Nm

6

 Charge air pipe/charge air cooling

Number

Designation

ENGINE 470.9

ENGINE 471.9

BA09.41-N-1010-01P

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

Nm

7,5

7,5

 Charge air pipe/charge air cooling

Number

Designation

ENGINE 473.9

BA09.41-N-1010-01P

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

Nm

7,5