ENGINE
5-60
6LPA Service Manual
Cylinder Block
© 2007 Yanmar Marine International
Crankshaft Oil Seal Replacement
There are 2 methods for oil seal replacement.
Method 1
When the rear oil seal case has been removed from
the cylinder block:
1. Tap out the oil seal using a screwdriver and
hammer (Figure 5-128).
Figure 5-128
Figure 5-128
2. Using special tool P/N 119770-01130
(Figure 5-129, (1)), install a new oil seal until its
surface is level with that of the rear oil seal
case.
Figure 5-129
Figure 5-129
3. Apply grease to the oil seal lip.
Method 2
When the rear oil seal case is installed on the
cylinder block:
1. Cut off the oil seal lip using a knife
(Figure 5-130, (1)).
2. Pry out the oil seal using a screwdriver.
NOTICE: AVOID damaging the crankshaft
during removal. Use tape on the screwdriver tip
to prevent scratches.
Figure 5-130
Figure 5-130
3. Apply grease to the new oil seal lip.
4. Using special tool P/N 119770-01130
(Figure 5-131, (1)), install the oil seal until its
surface is level with that of the rear oil seal
case.
Figure 5-131
Figure 5-131
0005051
(1)
0005052
000505
3
(1)
(1)
0005054
