Drain the Fuel Filter
0002074A
1
Figure 3
1. Close the fuel tank cock.
2. Loosen the drain plug (Figure 3, (1)).
Drain off any water and dirt collected
inside. Dispose of the collected water
and dirt properly. NOTICE: ALWAYS be
environmentally responsible.
Drain the Fuel Filter / Water Separator
Element
0002075A
1
3
2
Figure 4
1. Close the fuel tank drain cock.
2. Loosen the drain plug (Figure 4, (1)) at
the bottom of the fuel filter / water
separator and drain off any water and
dirt.
3. Remove the center bolt (Figure 4, (2))
to disassemble the fuel filter / water
separator.
Clean the element (Figure 4, (3)) inside
with clean fuel.
4. When a fuel filter or fuel filter / water
separator is provided in the hull in
addition to those installed on the engine,
also drain and clean it or replace the
element.
5. After reassembly of the fuel filter / water
separator, be sure to bleed air from the
fuel system. See Bleeding the Fuel
System on page 26.
6. Check for fuel leaks. WARNING! 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.
PERIODIC MAINTENANCE
54
6LY3 LDC Operation Manual
© 2008 Yanmar Marine International