PERIODIC MAINTENANCE
JH Series Operation Manual 81
12/05
Piercing Hazard.
Avoid skin contact with the
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 any damage.
4JH4-TE / 4JH4-HTE1 / 4JH4-HTE
Figure 14
1. Close the fuel tank drain cock.
2. Loosen the hose clamp and remove the
fire-resistant cover, which is installed to
the lower part of the fuel filter / water
separator to protect the water alarm
switch.
3. Attach a tube to the drain plug.
4. Loosen the drain plug and drain the fuel
from the drain plug.
5. Disconnect the electrical connectors
and remove the alarm switch with a
spanner wrench.
6. Remove the filter housing
(Figure 14, (1)) with a filter wrench
(Figure 14, (2)).
7. Clean the filter housing mounting
surface. Install new filter element in
filter housing.
8. Install the alarm switch to the fuel filter.
Apply clean fuel to the gasket of the
new fuel filter.
9. Install filter housing into engine and
hand-tighten until the gasket comes
into contact with the seat. Use a filter
wrench and tighten approximately 3/4
turn to 11.8 to 15.6 N·m (104.4 to 138.1
in.-lb).
10.Install the fire-resistant cover and
tighten the hose clamp.
11.Bleed the fuel system. See Bleeding
the Fuel System on page 38.
12.Dispose of waste properly.
Component Part No.
Fuel Filter -
4JH4-TE / 4JH4-HTE1 /
4JH4-HTE
129574-55711
JH5_EN_OPM.book 81 ページ ２０１３年８月８日 木曜日 午前９時２３分
To Next Page
Loading...
