Remove/install poly-V belt

AR13.22-D-1202TSC

Remove/install poly-V belt

28.09.2018

Engine

274 in model 907

1

Poly-V-belt

2

Tensioning device

3

Serration

4

Holes

 Warning

Risk of injury. Moving parts can pinch, crush or, in extreme cases even sever extremities.

No parts of the body or limbs should be within the operating area of mechanical components when moving components.

AS00.00-Z-0009-01A

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

 Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

 Danger

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

 

Remove/install

1

Remove lower engine compartment paneling

If installed.

AR61.20-D-1105TS

2

Turn clamping device (2) on serration (3) counterclockwise (arrow) and slacken poly-V-belt (1).

 Installation:
After assembly of the poly-V belt (1) the clamping device (2) must be pushed back on the serration (3) with torque clockwise.
Noises and damage on the belt drive can occur otherwise.

 Pretension for poly-V belts on multi-tooth clamping device

*BA13.25-N-1003-01EG

3

Bring bores (4) to cover and engage clamping device (2) with pin.



Pin for locking poly-V belt tensioning device

WF58.50-S-1325-02S

4

Remove poly-V-belt (1).

 Installation:
Do not use belt wax or similar products.
This causes malfunctions.

 Relieve the clamping device (2) for any further work.

 Installation: Observe routing diagram of poly-V belt (1).



Check

5

Check belt pulley profiles, guide pulleys, and clamping device (2) for damage and contamination.

If damage to a component part is detected,



Replace defective component.

6

Install in the reverse order.



Check

 Warning

Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.

Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area.

AS49.00-Z-0001-01A

 Warning

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

7

Perform engine test run. While doing so, check engine for proper operation and leak tightness.

 Belt tensioning device

Number

Designation

Engine 274 in model 907

BA13.25-N-1003-01EG

Pretension for poly-V belts on multi-tooth clamping device

Nm

55