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Service Manual Mitsubishi SL-Series diesel engines
Version 08/2004
ENGLISH
CYLINDER BLOCK, CRANKSHAFT,
PISTONS AND OIL PAN
INSPECTION
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Unit: mm (in.)
2. Clearance between journal and main bearing
1) Install the main bearing (upper and lower
halves) and cap to the cylinder block and
tighten the cap bolts to the specified torque.
Measure the bore in the bearing for the journal
as shown in the illustration.
Item Undersize Finish
Crankpin
0.25
(0.009 8)
47.75 (1.8799 )
0.50
(0.019 7)
47.50 (1.8701 )
0.75
(0.029 5)
47.25 (1.8602 )
Table 2 Crankpin undersizes
-0.035
-0.050
-0.00138
-0.00197
-0.035
-0.050
-0.00138
-0.00197
-0.035
-0.050
-0.00138
-0.00197
Figure 103 Crankpin fillet radius
2.5 mm
(0.098 in.)
CAUTION
• Grind all the crankpins of one crankshaft to the
same undersize.
• Finish the crankpin fillets to a radius of 2.5 mm
(0.098 in.).
Figure 104 Measuring bore in main bearing
Tightening torque
5.25 ± 0.25 kgf·m
(38 ± 1.8 lbf·ft)
[51.5 ± 2.5 N·m]