Yanmar 3JH4E Operation Manual page 74

PERIODIC MAINTENANCE
2. Remove the cartridge filter
(Figure 13, (1)) with a filter wrench.
Note: When removing the fuel filter, hold the
bottom of the fuel filter with a cloth to prevent
the fuel from spilling. Wipe up any spilled
fuel immediately.
3. Apply a thin film of clean diesel fuel to
the sealing surface of the new filter
gasket.
Component
Fuel Filter - 3JH4E
Fuel Filter - 4JH4AE
4. Install new filter and tighten hand-tight.
Use a filter wrench and tighten to 20 -
24 N·m (14.75 - 17.7 ft-lb).
5. Install filter and tighten hand-tight.
6. Bleed the fuel system. See Bleeding
the Fuel System on page 30. Dispose
of waste properly.
68
Part No.
129470-55703
119802–55801
4JH4-TE / 4JH4-HTE
(1)
Figure 14
1. Close the fuel cock of the fuel tank.
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.
Component
Fuel Filter -
4JH4-TE /
4JH4-HTE
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
tighten hand-tight until the gasket
comes into contact with the seat. Use a
filter wrench and tighten approximately
3/4 turn to 11.8 - 15.6 N·m
(104.4 - 138.1 in.-lb).
JH4 Series Operation Manual
(4)
(2)
(3)
0004500
Part No.
129574-55711