Daewoo Musso. Manual — part 95
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OM600 ENGINE MECHANICAL 1B3-87
bearing shell
Matching Crankshaft Bearing Shells to Basic Bearing Bore in Crankshaft
Matching Crankshaft Bearing Shells to Basic Bearing Journal of Crankshaft
Marking of basic bearing bore in lower
Color code of relevant crankshaft
parting surface
1 punch mark or blue
2 punch marks or yellow
3 punch marks or red
bearing shell
Blue or white-blue
Yellow or white-yellow
Red or white-red
Marking of bearing journals on crank webs
Color code of relevant crankshaft
Blue or white-blue
Yellow or white-blue
Red or white-blue
Blue or white-blue
Yellow or white-yellow
Red or white-red
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1B3-88 OM600 ENGINE MECHANICAL
Removal & Installation Procedure
1. Remove the bearing cab bolt.
2. Remove the bearing caps (8).
Notice
The crankshaft bearing caps are marked with stamped
numbers. Remove the bearing cap from the vibration
damper side.
3. Remove the crankshaft bearing caps (9) and lower thrust
bearings (7).
4. Remove the lower thrust bearings (6) from the bearing cap
(9).
5. Remove the crankshaft (5).
6. Remove the upper thrust bearings(4).
7. Remove the upper bearing shells (3) from crankcase.
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OM600 ENGINE MECHANICAL 1B3-89
14. Measure crankshaft bearing journal diameter (F).
Notice
When measured in A and B, the runout should not exceed
0.010mm.
8. Thoroughly clean the oil gallery.
9. Select a proper new bearing shells with reference to table.
10. Coat the new bearing shells with oil and insert into the
crankcase and into the crankshaft bearing caps.
Notice
Do not mix up upper and lower crankshaft bearing shells.
11. Install the bearing caps according to marking and tighten
the 12-sided stretch bolts.
Tightening Torque
35 - 40 Nm
Notice
No. 1 is vibration damper side.
12. Measure crankshaft bearing diameters (E).
Extension 366 589 00 21 05
13. Measure at 3 points (A, B and C) and if the average value
of B and C is less than A’s value, the average value of B
and C is the mean value and if more than A’s value, A’s
value is the mean value.
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1B3-90 OM600 ENGINE MECHANICAL
15. Measure radial clearance of crankshaft bearing (G).
Clearance ‘G’
0.027 - 0.051mm
Notice
If ‘G’ is out of standard, replace the bearing shells and
adjust the radial clearance of crankshaft bearing.
Example)
Measured value ‘E’ = 57.700mm
Measured value ‘F’ = 57.659mm
Clearance ‘G’ = 0.041mm
16. Remove the crankshaft bearing cap.
17. Measure width of thrust bearing journal (H) and adjust with
proper thrust bearings (see table).
Notice
The same thickness of thrust washers should be installed
on both sides of the thrust bearing.
18. Coat the upper thrust bearing (4) with oil and insert into
the crankcase so that the oil grooves are facing the crank
webs (arrow).
19. Coat the lower thrust bearing (7) with oil and insert into the
crankshaft bearing cap so that the oil grooves are facing
the crank webs (arrow).
Notice
The retaining lugs should be positioned in the grooves
(arrow).
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