Mitsubishi S4Q User Manual page 71

ENGINE MAIN PARTS
R 3 mm
[0.12 in.]
Figure 123 Fillet radius
Figure 124 Checking oil seal running surface
Service Manual Mitsubishi SQ-Series diesel engines
Version 08/2004
R 3 mm
[0.12 in.]
Flywheel housing
Oil seal
Oil seal
running
surface
Oil seal
sleeve
ENGLISH
PISTONS, CONNECTING RODS,
CRANKSHAFT AND CRANKCASE
refinish the journals to any of the undersizes
listed below.
0.25
[0.0098]
Undersize 0.50
of journal [0.0197]
0.75
[0.0295]
NOTE
a Grind all crankpins to the same undersize.
b Finish the fillet radius to 3 mm [0.12 in.]
3. Checking oil seal running surface
Check the oil seal sleeve running surface of the
crankshaft rear-end. If the sleeve is badly worn by
the oil seal, replace the oil seal sleeve.
Unit: mm [in.]
Finishing dimension
– 0.015 – 0.0006
64.75 [2.5492 ]
– 0.035 – 0.0014
– 0.015 – 0.0006
64.50 [2.5394 ]
– 0.035 – 0.0014
– 0.015 – 0.0006
64.25 [2.5295 ]
– 0.035 – 0.0014
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