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OM600 ENGINE MECHANICAL 1B3-55
12. Install the idle pulley and fit the closing cover.
Tightening Torque 25 Nm
13. Insert the tensioning lever(31) and install the spring.
14. Install the damper.
Tightening Torque 23 Nm
Notice Insert the tensioning lever bolts onto the mounting hole.
15. Insert the locking washer.
16. Inspect the valve tappet and check that the tappet moves smoothly.
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1B3-56 OM600 ENGINE MECHANICAL
17. Coat the camshaft with oil and install the camshaft on thecylinder head to be TDC mark(arrow) upward.
18. Measure the axial end play of the camshaft.
End Play 0.06 - 0.21mm
Notice If out of standard, adjust it with the proper thickness of
locking washer.
19. Install the bearing caps on the camshaft according to the number on the caps.
20. Tighten the bearing cap bolts according to the numerical sequence.
Tightening Torque 25 Nm
Notice
Tighten the No. 1 bolts(light arrow) first and then tighten the No. 2 bolts(dark arrow) stage by stage.
OM662LA OM661LA
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OM600 ENGINE MECHANICAL 1B3-59
27. Replace the seal and then install the chain tensioner.
Tightening Torque 80 Nm
28. Remove the engine lock.
29. Insert the nozzle washer into the hole to face round part downward.
30. Install the fuel injection nozzle.
Tightening Torque 40 Nm
31. Connect the fuel hose.
32. Install the cable channel and connect the cables to glow plugs.
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OM600 ENGINE MECHANICAL 1B3-75
Sectional View
3 Socket Bolt
4 Crankshaft Belt Pulley
5 Vibration Damper
6 Bolt
7 Washer
8 Straight Pin
Notice The mounting position of vibration damper is fixed by straight pin (8).
Tools Required 602 589 00 40 00 Engine Lock103 589 00 30 00 Puller 9 Hub
11 Radial Seal
12 Timing Gear Case Cover
13 Key
14 Crankshaft Sprocket
16 Crankshaft
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1B3-76 OM600 ENGINE MECHANICAL
Removal Procedure
1. Remove the starter motor and install the engine lock intothe wheel ring gear.
Engine Lock 602 589 00 40 00
2. Remove the poly V-belt.
3. Remove the cooling fan. NoticeKeep the fan in vertical position.
4. Remove the cooling fan belt pulley (2).
5. Place alignment marks (arrow) on the vibration damper (5) and crankshaft belt pulley (4).
6. Remove the timing sensor bracket. Notice
Remove if necessary.
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OM600 ENGINE MECHANICAL 1B3-79
5. Install the timing sensor bracket.Notice See the ‘TDC setting ’.
6. Install the cooling fan pulley.
Tightening Torque 10 Nm
7. Install the cooling fan.
8. Install the fan belt.
9. Remove the engine lock.
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1B3-82 OM600 ENGINE MECHANICAL
CRANKSHAFT BALL BEARING
1 Spacer
2 Cover ......................................... Replace
Notice
Manual transmission only.
Tools Required 000 589 33 33 00 Counter Support000 589 25 33 00 Internal Extractor Removal & Installation Procedure
1. Remove the manual transmission.
2. Using a puller, pull out the locking ring and ball bearing together.
Counter Support 000 589 33 33 00
Internal Extractor 000 589 25 33 00
3. Apply Loctite 241 on the new ball bearing and then insert the ball bearing to be stopped at the spacer ring by using a proper mandrel.3 Ball Bearing
4 Bolt ....................................... 45Nm + 90 °
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OM600 ENGINE MECHANICAL 1B3-95
3. Remove the flywheel (3), if equipped with manualtransmission. Installation Notice Correctly align the position of dowel pin (2).
Tools Required 602 589 00 40 00 Engine Lock Removal & Installation Procedure
1. Install the engine lock.
Engine Lock 602 589 02 40 00
2. Remove the 12-sided stretch bolts (4). Installation Notice
Tightening Torque 45 Nm + 90 °
Notice If the length ‘L’ of bolts exceeds 22.5mm, replace the bolts.