Yanmar 2TNV70, Operation Manual

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PERIODIC MAINTENANCE
90
TNV Operation Manual
7. Wash the inside of the cup.
8. Check the condition of the O-ring
(Figure 14, (6)) . Replace in necessary.
9. Install the cup to the mounting flange and turn
the retaining ring (Figure 14, (1)) to the right
(Figure 14, (2)) . Hand tighten only.
10. Open the fuel cock of the fuel filter / water
separator.
Figure 14
11. Prime the fuel system. See Priming The Fuel
System on page 36.
12. Check for fuel leaks.
Replace the fuel filter at specified
intervals to prevent contaminants from
adversely affecting the diesel fuel flow.
1. Stop the engine and allow it to cool.
2. Close the fuel cock of the fuel filter / water
separator.
3. Remove the fuel filter using a filter wrench to
turn it to the left (Figure 15, (1)) . When
removing the fuel filter, carefully hold it to
prevent the fuel from spilling. Wipe up all
spilled fuel.
Figure 15
4. Clean the filter mounting surface and apply a
small amount of diesel fuel to the gasket of
the new fuel filter.
5. Install the new fuel filter. Hand tighten it to the
right (Figure 15, (2)) until it comes in contact
with the mounting surface. Use a filter wrench
to tighten it one additional turn.
6. Open the fuel cock of the fuel filter / water
separator.
7. Prime the fuel system. See Priming The Fuel
System on page 36.
8. Check for fuel leaks.
Applicable Fuel Filter Part No.
2TNV70
3TNV70
3TNV76
119810-55650
(1)
(4)
(3)
(2)
(5)
000058 9 A
(6)
Applicable Fuel Filter Part No.
3TNV82A, 3TNV84,
3TNV84T, 3TNV88,
4TNV84, 4TNV84T,
4TNV88, 4TNV94L,
4TNV98
119802-55800
4TNV98T, 4TNV106,
4TNV106T
123907-55800
0000072A
(2)
(1)