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Remove/install belt drive components - AR13.20-P-0001EL

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ENGINE 276.9 in MODEL 212, 218 

Model 218, model 212 except model 212.095/195 

Fig 1: Identifying Belt Drive Remove/Install Components (Model 218)
G09974959Courtesy of MERCEDES-BENZ USA

MODEL 212.095/195 

Fig 2: Identifying Belt Drive Remove/Install Components (Model 212.095/195)
G09974960Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
DANGER Risk of injury  caused by pinching or crushing when working on springs or spring bodies that are under tension Use only approved tensioning devices; additionally screen off hazardous area if necessary. Check special tools for damage and proper operation (visual inspection). Wear protective gloves. AS00.00-Z-0001-01A
1 Remove front engine cover    
2 Slacken poly-V belt and remove   AR13.22-P-3902-02MM 
INSTALLATION NOTES
Do not use belt wax or similar products. This can lead to slipping of the poly-V belt.
IMPORTANT Swivel clamping device (1) at hexagon (4) counterclockwise, remove poly-V belt and detension clamping device (1).
INSTALLATION IMPORTANT Pay attention to poly-V belt routing diagram.
INSPECT Check     
3 Check belt pulley profile and clamping device (1) IMPORTANT Check for damage, wear and dirt; replace if necessary.  
4 Check guide pulleys (2, 3) ENGINE 276.9 in MODEL 212 (except 212.095/195), 218
IMPORTANT Check for damage, wear and dirt; replace if necessary.		  
5 Check poly-V belt    
REFER TO MAINTENANCE   AP13.22-P-1352EW 
  IMPORTANT Check for damage, wear and dirt; replace if necessary.  
  Only perform operation steps 6 through 8 for remove/install of clamping device (1)     
6 Lock clamping device (1) IMPORTANT Swivel clamping device (1) at hexagon (4) counterclockwise and lock in place using drift (5).  
7 Remove screw/bolts for clamping device (1) TORQUE SPECIFICATION Screw/bolt, poly-V belt tensioning device to timing case cover *BA13.25-P-1001-01X 
8 Remove clamping device (1) upwards    
9 Slacken clamping device (1) When replacing the clamping device (1)
IMPORTANT Clamp clamping device (1) in a vise, swivel at hexagon (4) in an anti-clockwise direction, pull out drift (5) and slacken clamping device (1).
INSTALLATION IMPORTANT The clamping device (1) can only be mounted in a locked condition.		  
  Only perform operation steps 10 and 11 for removal/installation of guide pulleys (2, 3)     
10 Remove screw/bolts for guide pulleys (2, 3) ENGINE 276.9 in MODEL 212 (except 212.095/195), 218  
TORQUE SPECIFICATION Screw/bolt, guide pulley to carrier *BA13.25-P-1003-01X 
TORQUE SPECIFICATION Screw/bolt, guide pulley to coolant pump *BA13.25-P-1004-01X 
11 Remove guide pulleys (2, 3) ENGINE 276.9 in MODEL 212 (except 212.095/195), 218  
12 Install in the reverse order    
BELT TENSIONING DEVICE

Number Designation ENGINE 276
BA13.25-P-1003-01X Screw/bolt, guide pulley to carrier Nm 25
BELT TENSIONING DEVICE

Number Designation ENGINE 276
BA13.25-P-1001-01X Screw/bolt, poly-V belt tensioning device to timing case cover Nm 20
BELT TENSIONING DEVICE

Number Designation ENGINE 276
BA13.25-P-1004-01X Screw/bolt, guide pulley to coolant pump Nm 35
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