Yanmar 3JH5E Operation Manual page 86

PERIODIC MAINTENANCE
Replacing the Fuel Filter Element
WARNING
Fire and Explosion Hazard.
When removing any fuel system
component to perform maintenance
(such as changing the fuel filter), put an
approved container under the opening
to catch the fuel.
Never use a shop rag to catch the fuel.
Vapors from the rag are flammable and
explosive. Wipe up any spills
immediately.
Exposure Hazard.
Wear eye protection. The fuel system is
under pressure and fuel could spray
out when removing any fuel system
component.
3JH5E / 4JH5E
When there is not enough tension in the
V-ribbed belt, it will slip and the coolant
pump will fail to supply coolant. Engine
overheating and seizure will result.
When there is too much tension in the
V-ribbed belt, the belt will become
damaged more quickly and the coolant
pump bearing may be damaged.
WARNING
Sever Hazard.
Perform this check with the power
switch off and the battery switch turned
off to avoid contact with moving parts.
80
Figure 13
1. Close the fuel tank drain cock.
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 -
3JH5E / 4JH5E
4. Install a new filter and hand-tighten.
Use a filter wrench and tighten to 20 to
24 N·m (14.75 to 17.7 ft-lb).
5. Bleed the fuel system. See Bleeding
the Fuel System on page 38. Dispose
of waste properly.
6. Check for fuel leaks.
JH Series Operation Manual
(1)
027094-00X
Part No.
119802–55801