Every 50 Hours Of Operation - Yanmar 6LPA-STP2 Operation Manual

1. Close the fuel cock of the fuel tank.
2. Remove the two mounting screws
(Figure 3, (1)) and the housing
(Figure 3, (2)).
3. Drain the fuel from the fuel drain cock
on the bottom of the fuel / water
separator.
4. Disconnect the alarm switch harness.
Figure 4
5. Remove the alarm switch (Figure 4)
with a wrench.
6. Remove the filter element
(Figure 3, (5)) with a filter wrench.
7. Install the alarm switch to the new fuel
filter.
Component
Fuel Filter Element
8. Apply a thin film of clean diesel fuel to
the sealing surface of the new filter
gasket.
9. Install new filter and tighten hand-tight.
Use a filter wrench and tighten to
14.7 - 19.6 N·m (130.1 - 173.5 in.-lb).
10. Install filter and tighten hand-tight.
11. Connect the alarm switch harness.
12. Install the housing and mounting
screws.
13. Bleed the fuel system. See Bleeding
the Fuel System on page 30. Dispose
of waste properly.
14. Start engine and check for leaks.
6LPA Series Operation Manual
0004897
Part No.
119773-55710
© 2007 Yanmar Marine International
PERIODIC MAINTENANCE

Every 50 Hours of Operation

After you complete the initial 50 hour
maintenance procedures, perform the
following procedures every 50 hours
thereafter or monthly, whichever comes
first.
• Draining Water From the Fuel Tank
• Draining Fuel Filter / Water Separator
• Checking Battery Electrolyte Level
Draining Water From the Fuel Tank
(3)
Figure 5
1 – Sediment Bowl
2 – Drain Cock
3 – Fuel Line To Engine
1. Put a pan under the drain cock
(Figure 5, (2)) to catch fuel.
2. Open the drain cock and drain water
and sediment. Close the drain cock
when the fuel is clean and free of air
bubbles. NOTICE: Dispose of waste
properly.
(1)
(2)
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