Fuel Filter Replacement - Yanmar 6LPA-STP2 Service Manual

FUEL SYSTEM

FUEL FILTER REPLACEMENT

1. Disconnect the water alarm switch connector
from the fuel filter.
2. Close all the fuel tank cocks and then connect
one end of a vinyl hose to the filter drain cock
and the other end to an suitable fuel container.
3. Loosen the drain plug to drain the fuel and then
remove the fuel filter using a fuel filter wrench
(Figure 6-4, (1)).
Figure 6-4
(1)
Figure 6-4
4. Remove the water alarm switch and O-ring from
the fuel filter using pliers (Figure 6-5, (1)).
NOTICE: Avoid damaging the alarm switch
during removal.
Figure 6-5
(1)
Figure 6-5
5. Lubricate a new alarm switch O-ring with clean
diesel fuel and install the alarm switch and
O-ring to the new fuel filter.
6-10
(1)
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© 2007 Yanmar Marine International
6. Inspect and clean the fuel filter mounting
surface. Apply clean diesel fuel to the gasket of
the new fuel filter and hand tighten the fuel filter
until the gasket comes into contact with the seat
then tighten the filter an additional 3/4 turn then
torque to: 150 to 200 kgf·cm, 14.71 to
19.61 N·m (10.8 to 14.7 lb-ft) (Figure 6-6).
Figure 6-6
Figure 6-6
7. Reconnect the water alarm switch connector.
6LPA Service Manual
Fuel Filter Replacement
0005252