ELECTRICAL AND ECU
BY Service Manual
12-29
Repair
IMPORTANT
The high-pressure fuel regulator can be
installed ONLY once. When installing a new
regulator, ensure it is correctly positioned
before tightening to specification.
7. Install new regulator in fuel rail. Ensure
orientation is correct.
8. Hold hex of regulator and tighten retaining nut
to 82.5 N·m (61 ft-lb).
9. Connect battery negative (-) cable.
10. Bleed fuel system. See Bleeding the Fuel
System on page 6-29.
11. Start engine and check for fuel leaks.
12. Check and delete any trouble codes that are
registered in the ECU after the work has been
completed.
Replacing High-Pressure Fuel
Sensor
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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CAUTION
• ALWAYS be environmentally
responsible.
• Follow the guidelines of the EPA or
other governmental agencies for the
proper disposal of hazardous
materials such as engine oil, diesel
fuel and engine coolant. Consult the
local authorities or reclamation facility.
• NEVER dispose of hazardous
materials irresponsibly by dumping
them into a sewer, on the ground, or
into ground water or waterways.
• Failure to follow these procedures may
seriously harm the environment.
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