Remove/install belt pulley/vibration damper

AR03.30-P-1600OLI

Remove/install belt pulley/vibration damper

20.09.2019

Engine

654 in model 205, 253

Engine

656 in model 253

Shown on engine 654

1

Engine cover

2

Engine air intake duct

5

Poly-V-belt

6

Bolts

7

Belt pulley/vibration damper

 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

 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

 

Remove/install

1

Remove engine cover (1).



Engine 656 in model 253

AP01.10-P-2405-01L

Engine 654 in model 205, 253

AR01.10-P-2405OLI

2

Remove engine air intake duct(2).

3

Remove the poly-V-belt (5).

Engine 656 in model 253

AR13.22-P-1202OIF

Engine 654 in model 205, 253

AR13.22-P-1202OLI

4

Attach counterholder to belt pulley/vibration damper (7) and remove screws (6).

Topical note

Notes on threaded connections fastened using a tightening angle-based tightening process

AH00.00-P-0020-01A

 Reposition counterholder in order to remove all screws (6).

 Installation: Replace bolts (6).

 Bolt, belt pulley/vibration damper to crankshaft

*BA03.30-P-1001-01X

 Counterholder

*654589004000

5

Remove belt pulley/vibration damper (7).

 Installation: Ensure pilot bushing.

6

Install in the reverse order.

Concluding tasks

 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

Conduct engine test run while checking for proper operation of the engine.

 Flywheel, drive plate, vibration damper, starter ring gear

Number

Designation

Engine 654

Engine 656

BA03.30-P-1001-01X

Bolt, belt pulley/vibration damper to crankshaft

Stage 1

Nm

50

50

Stage 2

°

45

45

Stage 3

°

45

45

Stage 4

°

45

45

Stage 5

°

45

45