Page 596 of 2053
1B3 -- 46 OM600 ENGINE MECHANICAL
D AEW OO M Y_2000
30. Rotate the crankshaft and set the no.1 cylinder at
TDC.
Notice
Do not rotate the crankshaft to the opposite direc-
tion of engine revolution.
31. Place alignment marks on the camshaft gear and
timing chain.
32. Ensure that the camshaft and the bearing cap mark-
ing 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 612 of 2053

OM600 ENGINE MECHANICAL 1B3 -- 63
D AEW OO M Y_2000
TIMING CASE COVER
Preceding Work : Removal of the cooling fan
Rmoval of the V-- belt tensioning device
Removal of the vibration damper and hub
Removal of the generator
1 Bolt 10N∙m (89 lb-in) .....................
2 Cylinder Head Cover
3 Gasket Replace..........................
4 Socket Bolt 25N∙m (18 lb-ft) ................
5 Fuel Filter
6 Square Nut
7OilPan
8 Socket Bolt 10N∙m (89 lb-in) ...............
9 Bolt M6 : 10N∙m (89 lb-in) ................
M8 : 23N∙m (17 lb-ft)
10 Power Steering Pump
11 Bolt
12 Belt Pulley13 Bolt 32N∙m (24 lb-ft) ......................
14 Timing Case Cover
15 Bolt 23N∙m (17 lb-ft) ......................
16 Generator Bracket
17 Bolt 45N∙m (33 lb-ft) ......................
18 Bolt 25N∙m (18 lb-ft) ......................
19 Bolt 10N∙m(89lb-in) .....................
20 Closing Cover
21 Socket Bolt 23N∙m (17 lb-ft) ................
22 Guide Pulley
23 Bolt 9N∙m(80lb-in) .......................
24 Guide Pulley Bracket
25 Nut 23N∙m (17 lb-ft) .......................
Page 615 of 2053
1B3 -- 66 OM600 ENGINE MECHANICAL
D AEW OO M Y_2000
13. Remove the camshaft.
14. Remove the socket bolts(4) in the chain box.
Socket Wrench 115 589 03 07 00
15. Remove the injection pump.
Notice
See the “Removal of fuel injection pump”.
16. Remove the oil pan bolts (8, 9) in the area of the tim-
ing case cover (14).
17. Slightly loosen the remaining oil pan bolts.
18. Remove the timing case cover (19) bolts and then
remove the timing case cover (14).
Notice
Be careful not to damage the cylinder head gasket
or oil pan gasket.
Page 616 of 2053
OM600 ENGINE MECHANICAL 1B3 -- 67
D AEW OO M Y_2000
Installation Procedure
1. Thoroughly clean the sealing surface and apply
sealant.
2. Install the timing case cover.
Tightening Torque10 N∙m(89lb-in)
Notice
Bolts arrangement
1.M6 x 60
2.M6 x 70
3.M6 x 40
3. Tighten the socket bolts in the chain box.
Tightening Torque23 N∙m (17 lb-ft)
4. Tighten the oil pan bolts.
Tihi
Socket bolt10 N∙m (89 lb-in)
Tightening
TorqueM6 bolt10 N∙m (89 lb-in)TorqueM8 bolt23 N∙m (17 lb-ft)
Page 624 of 2053
OM600 ENGINE MECHANICAL 1B3 -- 75
D AEW OO M Y_2000
Sectional View
3 Socket Bolt
4 Crankshaft Belt Pulley
5 Vibration Damper
6Bolt
7 Washer
8 Straight Pin9Hub
11 Radial Seal
12 Timing Gear Case Cover
13 Key
14 Crankshaft Sprocket
16 Crankshaft
Notice
The mounting position of vibration damper is fixed by
straight pin (8).
Tools Required
602 589 00 40 00 Engine Lock
103589003000 Puller
Page 625 of 2053
1B3 -- 76 OM600 ENGINE MECHANICAL
D AEW OO M Y_2000
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 628 of 2053
OM600 ENGINE MECHANICAL 1B3 -- 79
D AEW OO M Y_2000
5. Install the timing sensor bracket.
Notice
See the ’TDC setting’.
6. Install the cooling fan pulley.
Tightening Torque10 N∙m(89lb-in)
7. Install the cooling fan.
8. Install the fan belt.
9. Remove the engine lock.
Page 629 of 2053
1B3 -- 80 OM600 ENGINE MECHANICAL
D AEW OO M Y_2000
CRANKSHAFT FRONT RADIAL SEAL
1 Radial Seal
2 Timing Case Cover3 Woodruff Key
Tools Required
601589031400 Sleeve