Fuel Injection Pump Drive Gear Oil Seal Replacement - Yanmar 6LPA-STP2 Service Manual

ENGINE
Fuel Injection Pump Drive Gear Oil
Seal Replacement
There are two oil seal replacement methods:
Method 1
When the timing gear cover has been removed
from the cylinder block:
1. Tap out of the oil seal using a screwdriver and
hammer (Figure 5-207).
Figure 5-207
Figure 5-207
2. Tap in a new oil seal to install using a suitable
tool (Figure 5-208, (1)), until the surface is level
with that of the timing gear cover.
Figure 5-208
Figure 5-208
3. Apply grease to the oil seal lip.
5-86
Method 2
When the timing gear cover is installed to the
cylinder block:
1. Cut off the oil seal lip using a knife
(Figure 5-209).
2. Pry the oil seal using a screwdriver
(Figure 5-209, (1)) to remove.
Note: AVOID damaging the fuel injection pump
drive gear during removal. Use tape on
the screwdriver tip to prevent scratches.
Figure 5-209
0005207
3. Apply grease to the lip of a new oil seal.
4. Tap in the new oil seal to install using a suitable
tool (Figure 5-210, (1)) until the seal surface is
level with the timing gear cover.
Figure 5-210
(1)
(1)
0005208
© 2007 Yanmar Marine International
Timing Gear
(1)
Figure 5-209
Figure 5-210
6LPA Service Manual
0005209
0005210