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Remove/Install Belt Pulley/Vibration Damper - AR03.30-P-1600MFG

Engine 139 in model 118, 177, 247 

Fig 1: Belt Pulley/Vibration Damper Components Location - Engine 139 In Model 247
G16048251Courtesy of MERCEDES-BENZ USA
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
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
Notice  Notes on threaded connections fastened using a tightening angle-based tightening process   AH00.00-P-0020-01A
Notice  Notes on self-locking nuts and bolts   AH00.00-P-0001-01KOA
REMOVINGINSTALLING Remove/install     
1 Remove poly-V-belt. INSTALLATION IMPORTANT Only install lower engine compartment paneling after leak test. AR13.22-P-1202MFG
2 Attach counterholder to vibration damper (1) and remove screws (2). INSTALLATION IMPORTANT Replace screw/bolts (2).
TORQUE SPECIFICATION Bolt, belt pulley/vibration damper to crankshaft
*BA03.30-P-1001-01CA 
    SPECIAL TOOL Counterholder Fig 2
3 Remove the vibration damper (1). INSTALLATION IMPORTANT The installation position is specified by a pilot bushing.  
4 Check end cover with front radial shaft sealing ring for leaks. If there are problems:

Replace end cover with front radial shaft sealing ring.
AR01.40-P-8922MFG
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 Carry out engine test run and check engine for proper operation and leak tightness.    
7 Install lower engine compartment lining.   AR61.20-P-1105MFR
FLYWHEEL, DRIVE PLATE, VIBRATION DAMPER, STARTER RING GEAR

Number Designation Engine 139
BA03.30-P-1001-01CA Bolt, belt pulley/vibration damper to crankshaft Stage 1 Nm 20
Stage 2 ∠° 90
Fig 2: Identifying Counterholder (654 589 00 40 00)
G11971953Courtesy of MERCEDES-BENZ USA