Remove/install poly-V belt

AR13.22-D-1202TSF

Remove/install poly-V belt

17.07.2019

Engine

651 in model 910

Modification notes

16.07.2019

Tool for arresting changed.

Operation step 2

AR13.22-D-3902-05TSF

16.07.2019

Reference to self-fabricated tool added.

Operation steps 3, 8

Shown with CODE HH9 (Semi-automatically regulated air conditioning, TEMPMATIC)

1

Poly-V-belt

 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

 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



Remove

1

Raise vehicle.

AR00.60-D-1000-04TS

Topical note

Special instructions for lifting and supporting vehicle

AH00.60-N-0100-01TS

2

Remove lower engine compartment paneling

Model 910 with code XM1 (Noise abatement measures)

AR61.20-D-1105TS

3

Loosen the poly-V belt (1).

AR13.22-D-3902-05TSF



Pin for locking poly-V belt tensioning device

WF58.50-S-1325-02S

4

Remove poly-V-belt (1).



Check

5

Check the poly-V-belt (1).

AR13.22-D-1351TSR

Depending on the findings,



Replace poly-V-belt (1).

6

Check profile of the belt pulleys for damage.

Depending on the findings,



Replace affected belt pulleys.



Install

7

Install poly-V-belt (1).

AR13.22-D-3902-02TSF


Ensure poly-V-belt (1) is correctly seated on belt pulleys and tensioner pulley of tensioning device.
This prevents damage.


The belt pulley, guide pulley, and tensioner pulley of the clamping device must be clean and free of grease.
This prevents damage and malfunctions.


Do not use belt wax or similar products.
This avoids malfunctions.

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

8

Tension poly-V-belt (1).

AR13.22-D-3902-05TSF



Pin for locking poly-V belt tensioning device

WF58.50-S-1325-02S



Check

 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

9

Perform an engine test run and check poly-V belts (1) for correct movement.

 Visual inspection only.

10

Install lower engine compartment lining.

Model 910 with code XM1 (Noise abatement measures)

AR61.20-D-1105TS