Page 364 of 1463
1B3-62 OM600 ENGINE MECHANICAL
43. By inserting a rod into the tensioning lever upper hole and
pulling the rod, install the bolt and then tighten the nut.
44. Install the oil dipstick tube bracket.
Tightening Torque 10 Nm
45. Hold the cooling fan with the counter holder and tighten
the bolt.
42. Install the poly V-belt.
Notice
Be careful not to contaminate the belt.
Tightening Torque 23 Nm
Page 365 of 1463

OM600 ENGINE MECHANICAL 1B3-63
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 alternator
1 Bolt............................................................10Nm
2 Cylinder Head Cover
3 Gasket ................................................... Replace
4 Socket Bolt................................................25Nm
5 Fuel Filter
6 Square Nut
7 Oil Pan
8 Socket Bolt................................................10Nm
9 Bolt.................................................... M6 : 10Nm
M8 : 23Nm
10 Power Steering Pump
11 Bolt
12 Belt Pulley1 3 Bolt............................................................32Nm
14 Timing Case Cover
1 5 Bolt............................................................23Nm
16 Alternator Bracket
1 7 Bolt............................................................45Nm
1 8 Bolt............................................................25Nm
1 9 Bolt............................................................10Nm
20 Closing Cover
21 Socket Bolt................................................23Nm
22 Guide Pulley
2 3 Bolt.............................................................. 9Nm
24 Guide Pulley Bracket
25 Nut .............................................................23Nm
Page 366 of 1463
1B3-64 OM600 ENGINE MECHANICAL
8. Remove the guide pulley bracket (24).
Tools Required
116 589 03 07 00 Socket Wrench
Removal Procedure
1. Remove the fan clutch and cooling fan belt pulley.
2. Drain the engine oil completely.
3. Remove the oil dipstick tube bracket bolts.
4. Remove the crankshaft pulley.
5. Loosen the bolt (1) and then remove the cylinder head cover
(2) and gasket.
6. Remove the vacuum pump.
7. Detach the closing cover (20). Remove the bolts(21) and
then remove the guide pulley (22).
Page 368 of 1463
1B3-66 OM600 ENGINE MECHANICAL
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.
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 timing
case cover (14).
17. Slightly loosen the remaining oil pan bolts.
Page 369 of 1463
OM600 ENGINE MECHANICAL 1B3-67
Installation Procedure
1. Thoroughly clean the sealing surface and apply sealant.
2. Install the timing case cover.
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 Torque 10 Nm
Tightening Torque 23 Nm
4. Tighten the oil pan bolts.
Tightening Torque10 Nm
10 Nm
23 Nm
Socket bolt
M6 bolt
M8 bolt
Page 372 of 1463
1B3-70 OM600 ENGINE MECHANICAL
15. Install the guide pulley (22) and fit the closing cover (20).
16. Replace the gasket (3) and install the cylinder head cover
(2).
17. Install the cooling fan belt pulley and fan clutch.
18. Install the belt tensioning device and then install the belt.
19. Install the cooling fan.
20. Fill the engine oil and check oil leaks by running the engine.
Tightening Torque 23 Nm
Tightening Torque 10 Nm
Page 374 of 1463
1B3-72 OM600 ENGINE MECHANICAL
Tools Required
601 589 03 43 00 Oil Seal Assmbler
Removal Procedure
1. Remove the bolts (3, 6) from end cover, By pulling out the
lugs (arrow), remove the cover.
Notice
Be careful not to damage the oil pan gasket.
2. Remove the radial seal (4) with care not to damage the
sealing surface.
Installation Procedure
1. Thoroughly clean the sealing surface of end cover and apply
Loctite 573.
2. Clean the groove of radial seal.
3. Apply Loctite 573 on the bolts and install the end cover.
Tightening Torque 10 Nm
Notice
Be careful not to damage the oil pan gasket.
4. Install the inner oil seal assembler to the crankshaft flange.
Oil Seal Assembler 601 589 03 43 00
Page 375 of 1463
OM600 ENGINE MECHANICAL 1B3-73
Notice
The sealing lip of the repair radial seal is offset to the inside
by 3mm to ensure that it does not run in any groove which
the standard radial seal may have left on the crankshaft
flange.
7. Install the outer oil seal assembler on he seal and by
tightening the bolts, press the radial seal into the end cover
as far as the stop.
Notice
The seal must be positioned exactly at right angles in the
end cover to ensure that it provides a proper seal.
Oil Seal Assembler 601 589 03 43 00 A Standard Radial Seal
B Repair Radial Seal
5. Coat a little oil on the sealing lip of new radial seal and
contacting surface.
Notice
Don’t use grease.
6. Insert the new radial seal (4) onto the oil seal assembler
(7).