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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 Support
000 589 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°
Page 397 of 1463
OM600 ENGINE MECHANICAL 1B3-95
3. Remove the flywheel (3), if equipped with manual
transmission.
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.
Page 426 of 1463
1B3-124 OM600 ENGINE MECHANICAL
1. Measure dimension ‘A’.
Removal Procedure
Limit142.5mm
2. Clamp the cylinder head with clamping device.
3. Cut groove into the valve seat ring so that dimension ‘C’ is
approx. 2mm and dimension ‘E’ is approx. 6mm.
4. Remove the cylinder head from the clamping device and
place it onto wooden blocks.
5. Remove the valve guide (3).
Drift (Intake) 8mm
Drift (Exhaust) 9mm
6. Insert the tensioning head (4) and extracted wedges(arrow)
by turning the bolt (5).
Notice
Carefully tighten the bolt (5) otherwise the valve seat ring in
the cylinder head will be excessively tensioned.
7. Lock the bolt (5) with nut (6).
Page 441 of 1463
OM600 ENGINE MECHANICAL 1B3-139
CAMSHAFT
Preceding Work : Removal of cylinder head cover
1 Bolt............................................................25Nm
2 Washer
3 Camshaft Bearing Cap
4 Camshaft
5 Dowel Pin
6 Locking Washer
7 Timing Chain8 Cylinder Head
9 Oil Pan
10 Camshaft Sprocket
11 Washer
12 12-Sided Bolt (M11).............Check, 25Nm + 90°
13 Gasket ................................................... Replace
14 Chain Tensioner........................................80Nm
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1B3-140 OM600 ENGINE MECHANICAL
3. Remove the starter motor and install the engine lock.
Engine Lock 602 589 00 40 00
Tools Required
602 589 00 40 00 Engine Lock
Removal Procedure
1. Rotate the crankshaft and position the piston of no.1 cylinder
at TDC.
Notice
Do not rotate the crankshaft in the opposite direction of
engine rotation.
In this position, the markings of the camshaft/camshaft
bearing cap (arrow) must be aligned.
2. Place alignment marks on the camshaft sprocket and timing
chain.
Page 444 of 1463
1B3-142 OM600 ENGINE MECHANICAL
4. Install the camshaft bearing caps according to markings(1,
2, 3 etc.).
7. Remove the camshaft bearing cap.
8. Pull off the camshaft.
Notice
Be careful not to miss front locking washer.
9. Pull out the locking washer.
Notice
Check the condition of locking washer and replace if
necessary.
Installation Procedure
1. Insert the locking washer.
2. Check the valve tappet and ensure that tappet moves
smoothly.
3. Coat the camshaft with oil and install the camshaft onto the
cylinder head so that the TDC marking (arrow) is positioned
upward vertically.
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1B3-144 OM600 ENGINE MECHANICAL
10. Check the TDC marking of OT on the crankshaft.8. Install the chain tensioner.
Tightening Torque 80 Nm
Notice
Replace the seal.
Before installation, by pumping in the oil approx. 10 times,
fill the oil.
9. Remove the engine lock.
Notice
If max. length ‘L’ of the 12-sided bolt exceeds 53.6mm,
replace it.
Page 468 of 1463
1B3-166 OM600 ENGINE MECHANICAL
Installation Procedure
1. Fit the piston onto the connecting rod so that the arrow
(15) and the locking slot (16) are facing in direction of the
vehicle.
2. Coat the piston pin (15) with engine oil and insert it by hand.
Notice
Do not heat up the piston.
3. Install the new snap ring (4) into the grooves (arrow).
4. Check the piston rings (1, 2, 3) and replace them if
necessary.
5. Install and arrange the piston rings to be evenly 120° from
each ends gap.