Yanmar BY series, Service Manual

Page: 260 / 275

ELECTRICAL AND ECU
BY Service Manual 12-33
Repair
12. Start engine and check for fuel leaks.
13. Check and delete any trouble codes that are
registered in the ECU after the work has been
completed.
See After Troubleshooting or Repair
on page 13-13.
Remove and Install Oil Pressure
Sensor
Figure 12-35
1. Disconnect wires (Figure 12-35, (1)) .
2. Remove oil pressure sensor (Figure 12-35, (2))
from heat exchanger bracket.
3. Install new O-ring on oil pressure sensor stem.
4. Install and tighten oil pressure sensor to 23 N·m
(204 in.-lb).
Note: Polarity of wire connections is not
important. Either wire can be connected
to either terminal.
5. Connect wires.
A
WARNING
HIGH PRESSURE HAZARD!
• Avoid skin contact with high pressure
diesel fuel spray caused by a fuel
system leak such as a broken fuel
injection line. High pressure fuel can
penetrate your skin and result in
serious injury. If you are exposed to
high pressure fuel spray, obtain
prompt medical treatment.
• NEVER check for a fuel leak with your
hands. ALWAYS use a piece of wood
or cardboard. Have your authorized
Yanmar marine dealer or distributor
repair the damage.
• Failure to comply could result in death
or serious injury.
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