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OM600 ENGINE MECHANICAL 1B3 -- 77
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7. Remove the socket bolts (3) and then remove the
belt pulley (4) and vibration damper (5).
8. Remove the washer and bolt.
9. Remove the hub by using a puller.
Puller 103 589 00 33 00
10. Replace the radial seal.
Page 627 of 2053
1B3 -- 78 OM600 ENGINE MECHANICAL
D AEW OO M Y_2000
Installation Procedure
1. Install the hub.
Notice
Exactly align the woodruff key and the groove of hub
(arrow).
2. Install the washer (7) and tighten the bolt (6).
Washer (new) :1 EA200 N∙m (148 lb-ft) + 90_
3. Install the vibration damper.
Notice
Exactly align and insert onto the straight pin.
4. Install the belt pulley.
Tightening Torque25 N∙m (18 lb-ft)
Notice
Align the alignment marks.
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
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OM600 ENGINE MECHANICAL 1B3 -- 81
D AEW OO M Y_2000
Notice
The sealing lip of the repair radial seal is offset to the
inside by 2mm to ensure that is does not run in any
groove which the standard radial seal may have left
on the crankshaft flange.
A Standard Radial Seal
B Repair Radial Seal
Replacement Procedure
1. Pull out the radial seal (1) and be careful not to dam-
age the sealing surface of timing case cover.
2. Thoroughly clean the mounting bore of the radial
seal.
3. Coat a little oil on the sealing lip of new radial (1) and
contact surface.
Notice
Don’t use grease.
4. Install the radial seal (1) by using a sleeve (4).
Notice
Align the groove of sleeve and woodruff key(arrow).
Sleeve 601 589 03 14 00
Page 631 of 2053
1B3 -- 82 OM600 ENGINE MECHANICAL
D AEW OO M Y_2000
CRANKSHAFT BALL BEARING
1 Spacer
2 Cover Replace............................3 Ball Bearing
4 Bolt 45N∙m (33 lb-ft)+ 90_ ................
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 bear-
ing 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.
Page 632 of 2053
OM600 ENGINE MECHANICAL 1B3 -- 83
D AEW OO M Y_2000
CRANKSHAFT
Preceding Work : Removal of the end cover
Removal of the piston
Removal of the crankshaft sprocket
3 Crankshaft Main Bearing Shells (Upper)
4 Trust Bearings (Upper)
5 Crankshaft
6 Crankshaft Main Bearing Shells (Lower)7 Thrust Bearings (Lower)
8 Crankshaft Bearing Cap
9 Crankshaft Bearing Cap (Fit Bearing)
10 12-- sided Stretch Bolts : 55N∙m (41 lb-ft)+90_
Tools Required
001589532100 DialGauge
363 589 02 21 00 Dial Gauge Holder
366589002105 Extension
Page 633 of 2053
1B3 -- 84 OM600 ENGINE MECHANICAL
D AEW OO M Y_2000
Thrust Washer and Bearing Arrangement
OM662LA Engine
3 Crankshaft Main Bearing Shells (Upper)
4 Thrust Bearings (Upper)
5 Crankshaft
6 Crankshaft Main Bearing Shells (Lower)
7 Thrust Bearings (Lower)A Radial Bearings
B Radial and Axial Bearings (Thrust Bearing)
Notice
The gaps between the bearing shell and bore and
between the bearing shell and journal are different
each other. Refer to service data.