Yanmar 6LY3 series Operation Manual page 108

PERIODIC MAINTENANCE
CAUTION
If the fuel filter / water separator
is positioned higher than the fuel
level in the fuel tank, water may
not drip out when the fuel
filter / water separator drain cock
is opened. If this happens, turn
the air vent screw on the top of
the fuel filter / water separator
2-3 turns counterclockwise.
Be sure to tighten the air vent
screw after the water has drained
out.
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.
100
Back
Drain the Fuel Filter
1. Close the fuel tank cock.
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2. Loosen the drain plug (Figure 2, (1)).
Drain off any water and dirt collected
inside.
Drain the Fuel Filter / Water Separator
1. Close the fuel tank drain cock.
2. Loosen the drain plug (Figure 3, (1)) at
the bottom of the fuel filter / water
separator and drain off any water and
dirt.
3. Remove the center bolt (Figure 3, (2))
to disassemble the fuel filter / water
separator.
Clean the element (Figure 3, (3)) inside
0000013en
with clean fuel.
1
Figure 2
Element
3
Figure 3
6LY3 Operation Manual
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2
1
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