OM600 ENGINE MECHANICAL 1B3-23
TENSIONING DEVICE Preceding Work : Removal of cooling fan
1 Bolt............................................................ 21Nm
2 Damper
3 Nut ............................................................. 21Nm
4 Tensioning Lever
5 Guide Rail Pin
6 Bolt
7 Poly V-Belt
8 Belt Pulley
9 Bolt ............................................................ 10Nm10 Tensioning Pulley
11 Socket Bolt ................................................ 29Nm
12 Closing Cover
13 Washer
14 Tensioning Lever
15 Fit Bolt ..................................................... 100Nm
16 Closing Cover
17 Spring
18 Bolt ............................................................ 20Nm
1B3-24 OM600 ENGINE MECHANICAL Removal & Installation Procedure
1. Remove the nut.Installation Notice
Tightening Torque 10 Nm
2. Push the tensioning lever in direction of arrow with a rod ( F12 ´ 180mm ) and push out the bolt to the rear.
3. Push back the tensioning lever to release the spring tension and remove the belt.
4. Remove the bolt (9) and then remove the belt pulley (8).
5. Remove the bolt (1, 18) and take off the damper (2). Notice
Pay attention to installation position of the damper.
OM600 ENGINE MECHANICAL 1B3-25
6. Pull off the tensioning lever (4) from guide rail pin.
7. Remove the spring (17).Installation NoticeInsert spring (17) with color coding (blue/violet) facing up.
8. Pry off the closing cover (12) and remove the socket bolt(11) and then remove the tensioning pulley (10). Installation Notice
Tightening Torque 29 Nm
9. Pry off the closing cover (16) and remove the fit bolt (15).
10. Remove the tensioning lever (14) and washer (13).
11. Clean thread in the timing case cover and fit bolt.
Installation Notice Apply Loctite on thread of fit bolt.
Tightening Torque 100 Nm
12. Installation should follow the removal procedure in the reverse order.