Install the front output shafts (on the mobile lifting table)

• Loosen screws (2).
• Remove the swivel bearing mount (1) and set it aside.
• Suspend the swivel bearing from the workshop crane 2 220 718. 

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Check 

• Replace the circlip (1).

  Parts:  Circlip

• Coat the contact surface (2) of the output shaft with the approved front axle transmission oil, see the "Fluid Capacities" tab for the selected vehicle.
• Check the gearing for damage or deformation.

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Result 

» The gearing is deformed or damaged.

Measure

• Replace the output shaft.

  Parts:  Output shaft

• Clean and degrease front gearing of wheel bearing (1) and output shaft (2).
• Install front gearing of wheel bearing (1) and output shaft (2) and establish a positive connection.
• Twist both the wheel hub and the output shaft in arrow direction to ensure that the front gearings mesh.

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• Replace the screw (1) and the compression spring (2).

  Parts:  Screw, compression spring

• Clean and degrease the screw (1).
• Observe the installation position of the compression spring (2)!

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Remove the radial shaft seal 

• Prepare the special tool 0 490 466 (00 5 010)  with the special tools 0 494 649 (21 2 230) (without the screw) and 0 493 384 (11 1 212)  .

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• Pull out and remove the radial shaft seal (1) with the special tools 0 490 466 (00 5 010)  , 0 494 649 (21 2 230) and 0 493 384 (11 1 212)  .

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• Replace radial shaft seal (2).

  Parts:  Radial shaft seal

• Remove the assembly protection ring (1) from the radial shaft sealing ring (2).

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Install the radial shaft seal 

• Coat the housing of the sheet metal flange of the radial shaft seal with the approved front differential fluid.
• Drive in the radial shaft seal to the stop using special tool 0 493 539 (31 5 130)  .
• Remove the special tool 0 493 539 (31 5 130)  .

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• Reinstall installation protection ring (1) in radial shaft seal (2).

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  NOTE: TECHNICAL INFORMATION 
  Radial shaft seal ring are equipped with an installation protection ring. The installation protection ring is used to protect the sealing lip when installing the output shaft.
• Open the installation protection ring (1) in the arrow direction before assembly of the output shaft.

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• Insert the output shaft (1) in the arrow direction.
• Loosen the assembly protection ring (2) guide it out a little.
• Apply force to pull the installation protection ring (2) downward in the arrow direction until the predetermined breaking points (3) on the installation protection ring break.

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• Tilt the swivel bearing (2) slightly forward in the arrow direction.
• Insert the output shaft (3) into the front axle differential all the way to the stop until you feel the output shaft lock in place.
• Tighten screw (1) with the special tool 0 490 504 (00 9 120) .
  TIGHTENING TORQUES SPECIFICATION
  
  

  Output shaft to wheel bearing
  M16 Replace collar screw and spring.	Snug torque	210 Nm
  	Angle of rotation	90°

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• Install the stand (2) of the swivel bearing (3).
• Tighten down screws (1).

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  NOTE: The following step(s) must be performed if the specified component(s) is/are installed.
• Attach the sealing cap (1).

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