Remove/install poly-V belt

AR13.22-S-1202EG

Remove/install poly-V belt

22.10.15

Model

447, 448 with engine 274

1

Poly-V belt

2

Tensioning device

3

Serration

4

Hole

 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

AR61.20-S-1105E

2

Loosen 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.

 To do this, swivel tensioning device (2) on serration (3) in an counterclockwise direction (arrow).

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

*BA13.25-N-1003-01EG

3

Lock tensioning device (2)



Pin for locking poly-V belt tensioning device

WF58.50-S-1325-02S

 To do this bring bores (4) to the cover and lock clamping device (2) with pin.

4

Remove poly-V belt (1)

 Installation:
Do not use belt wax or similar products.
This avoids 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 soiling; inspect and, if necessary, replace

6

Install in the reverse order

 Belt tensioning device

Number

Designation

Engine 274 in model 447, 448

BA13.25-N-1003-01EG

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

Nm

55