Removing and installing belt pulley/vibration damper

AR03.30-S-1600B

Removing and installing belt pulley/vibration damper

4.5.95

 

Removing, installing

1

Remove air cleaner housing

AR09.10-S-1150B

2

Slacken bolts (2) for belt pulley (1) on coolant pump

Engine 601.970
 Use counterholder if necessary 



*603589004000



*BA20.10-N-1001-01B

3

Remove poly V-belt

AP13.22-D-1381A

4

Remove coolant pump belt pulley (1)

Engine 601.970

5

Position piston of cylinder 1 at TDC

Crank the engine by the crankshaft

AR01.00-S-0120B

 The woodruff key points upwards

6

Install blocking device (7) for crankshaft/starter ring gear

AR03.30-S-5000B

7

Unscrew central bolt (6) with washer (5)



*BA03.30-N-1001-01B



*001589650900

Installation: Oil washer (5) and thread on central bolt (6). Observe installed position of washer (5).
If no torque angle wrench is available, the central bolt (6) can be torqued further by the specified angle in a single operation using a wrench and tommy bar.
 Do not use a flexi-torque wrench for tightening to torquing angles in order to avoid any angle errors

8

Pull off belt pulley/
vibration damper (3) or (4)

If the belt pulley/vibration damper is
stuck 

Pull off belt pulley/vibration damper

AR03.30-S-1600-02B

 Engine 601.942

*000589883300

Installation: The groove in the belt pulley must be aligned with the woodruff key in the crankshaft.



Check running surface for front crankshaft radial seal ring for scoring

If there is a noticeable score mark from the radial seal ring 

Replace front crankshaft radial seal ring and install in repair position

AR03.20-S-3000B

9

Install in the reverse order

If there are problems with axial or radial runout 

Check belt pulley/vibration damper for axial and radial runout and replace belt pulley/vibration damper if necessary

AR03.30-S-1600-01B

*BE03.30-N-1001-02A



*001589650900



*001589532100



*363589022100

 When replacing the belt pulley/
vibration damper 

Check adjustment of TDC sensor and adjust TDC sensor if necessary

AR03.00-S-1101A

Number

Designation

Engine
601.942

Engine
601.970

BE03.30-N-1001-02A

Permissible deviation at vibration damper

Radial runout

mm

0.5

0.5

Axial runout

mm

0.3

0.3

Number

Designation

Engine
601.942/
970

BA03.30-N-1001-01B

Central bolt, belt pulley/vibration damper to crankshaft

1st stage

Nm

200...220

2nd stage

°

90...100

Number

Designation

Engines 601.942, 601.970

BA20.10-N-1001-01B

Bolts, belt pulley to coolant pump

Nm

10