Mitsubishi Heavy Industries L2, Service Manual

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56 / 155 Service Manual Mitsubishi L-Series diesel engines
Version 08/2004
ENGLISH
GEAR CASE AND OIL PUMP ENGINE MAIN PARTS
12.4 Replacement of front oil seal
1. Remove the front oil seal.
2. Press-fit the new front oil seal.
12.5 Replacement of governor shaft
bushings
1. Remove the expansion plug and draw the
bushings out.
2. Press-fit the new bushings into the positions
shown at right.
Relief
valve
Opening pressure
MPa
(kgf/cm
2
) [psi]
0.29
(3.0)
[43]
—
Closing pressure
MPa
(kgf/cm
2
)[psi]
—
0.49
(5) [71]
or
below
CAUTION
Apply thin coat of engine oil to the periphery and lip of
the oil seal
Description
Speed, min
-1 1000 4000
Table 21 Oil pump performance, oil used: SAE30,
100±5°C [212±9°F]
Figure 52 Press-fitting governor shaft bushing
To be in contact
with bottom
To be flush with
this place
Bushings
(41 mm)
[1.6142 in.]
+0.20
0
+0.0079
0