Remove/install belt pulley/vibration damper

AR03.30-S-1600EA

Remove/install belt pulley/vibration damper

27.05.2019

Engine

654.9 in model 447

Shown on removed engine with code HH4 (THERMOTRONIC automatic air conditioning)

1

Belt pulley/vibration damper

2

Screw

3

Poly-V-belt

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

 

Remove/install

1

Remove resonator box.

AR09.20-S-0010EA

2

Slacken the poly-V belt (3) and remove it from the belt pulley / vibration damper (1).

AR13.22-S-1202EA

3

Attach the counterholder to the belt pulley / vibration damper (1) and remove the screws (2).

Topical note

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

AH00.00-P-0020-01A

 Reposition the  counterholder several times.

 Installation: Replace the screws (2).

 Bolt, belt pulley/vibration damper to crankshaft

*BA03.30-N-1001-01EA

 Counterholder

*654589004000

4

Remove belt pulley/vibration damper (1).

 Installation: Note the pilot bushing between the belt pulley / vibration damper (1) and crankshaft.

5

Install in the reverse order.

 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

6

Perform an engine test run and check the engine for proper function.

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

Number

Designation

Engine 654.9 in model 447

BA03.30-N-1001-01EA

Bolt, belt pulley/vibration damper to crankshaft

Stage 1

Nm

50

Stage 2

°

45

Stage 3

°

45

Stage 4

°

45

Stage 5

°

45