Page 348 of 1463
1B3-46 OM600 ENGINE MECHANICAL
30. Rotate the crankshaft and set the no.1 cylinder at TDC.
Notice
Do not rotate the crankshaft to the opposite direction of
engine revolution.
31. Place alignment marks on the camshaft gear and timing
chain.
32. Ensure that the camshaft and the bearing cap marking
are aligned.
33. Remove the starter motor and install the engine lock onto
the flywheel ring gear.
Engine Lock 602 589 00 40 00
Page 350 of 1463
1B3-48 OM600 ENGINE MECHANICAL
38. Remove the camshaft bearing cap bolts according to the
numerical sequence.
Notice
Remove the No.1 bolts first and then remove the No. 2
bolts. Do not remove the bolts at a time completely but
remove them step by step evenly or camshaft can be
seriously damaged.
OM662LA
39. Remove the bearing caps and then pull out the
camshaft(20) upward.
Notice
Be careful not to miss the locking washer.
40. Remove the locking washer.
Notice
Check the locking washer and replace if necessary.
OM661LA
Page 357 of 1463
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.
Page 358 of 1463
1B3-56 OM600 ENGINE MECHANICAL
17. Coat the camshaft with oil and install the camshaft on the
cylinder 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
Page 361 of 1463
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.
Page 377 of 1463
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 Lock
103 589 00 30 00 Puller9 Hub
11 Radial Seal
12 Timing Gear Case Cover
13 Key
14 Crankshaft Sprocket
16 Crankshaft
Page 378 of 1463
1B3-76 OM600 ENGINE MECHANICAL
Removal Procedure
1. Remove the starter motor and install the engine lock into
the wheel ring gear.
Engine Lock 602 589 00 40 00
2. Remove the poly V-belt.
3. Remove the cooling fan.
Notice
Keep 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.
Page 381 of 1463
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.