LUBRICATION
6LPA Service Manual
8-17
Piston Cooling Oil Nozzle
12/05
© 2007 Yanmar Marine International
Oil Nozzle Disassembly and
Inspection
1. Remove the oil pan. See step 4 starting in Oil
Pump Removal on page 8-7.
2. Remove the check valve and oil nozzle Remove
the 6 check valves and 6 oil nozzles.
Figure 8-32
Figure 8-32
3. Inspect the check valve by pressing
(Figure 8-33, (1)) the valve with a wooden stick
and check the valve for sticking. If the valve
sticks, replace the check valve.
Figure 8-33
Figure 8-33
4. Inspect the oil nozzle (Figure 8-34) for damage,
restrictions and clogs. If needed, replace the oil
nozzle.
Figure 8-34
Figure 8-34
Oil Nozzle Installation
1. Align the oil nozzle pin (Figure 8-34, (1)) with
the pin hole in the cylinder block.
2. Install the oil nozzle together with the check
valve (Figure 8-35). Install 6 oil nozzles and
check valves and torque to 175 kgf·cm, 17.16
N·m (151.8 lb-in.).
Figure 8-35
Figure 8-35
3. Install the oil pan. See step 11 starting in Oil
Pump Installation on page 8-10.
0005
38
4
0005
38
5
(1)
0005
38
6
(1)
0005
38
7