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Service Manual Mitsubishi SQ-Series diesel engines
Version 08/2004
ENGLISH
PISTONS, CONNECTING RODS,
CRANKSHAFT AND CRANKCASE ENGINE MAIN PARTS
1) Removing oil seal sleeve
Hold a flat cold chisel at right angles to the
sleeve and cut the sleeve at three places to
loosen it, as shown in the illustration. If it is
impossible to remove the sleeve in this
method, hold the chisel in the axial direction
and lightly tap the sleeve to loosen it.
2) Installing oil seal sleeve
Apply oil to the inside of an oil seal sleeve
and, using crankshaft sleeve installer set
(30691–13010), install the sleeve in position,
as shown in the illustration.
When the oil seal sleeve is worn after the
engine has been operated, replace both oil
seal and oil seal sleeve.
Figure 125 Removing oil seal sleeve
CAUTION
Be extra careful not to cause damage to the
crankshaft when removing the sleeve.
Figure 126 Installing oil seal sleeve
Guide
(30691-13100)
Installer
(30691-13200)
Sleeve installer
CAUTION
Be extra careful not to cause damage to the sleeve
when installing it.
Figure 127 Checking oil seal running surface
Flywheel housing
Oil seal
Oil seal
running
surface
Oil seal
sleeve
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