Yanmar 3TNV82A Service Manual page 120

PERIODIC MAINTENANCE
Periodically clean the fuel filter / water separator
element and inside cup.
1. Position an approved container under the cup
(Figure 5-15, (1)) of the fuel filter / water
separator to collect the contaminants.
(2)
(10)
(3)
(4)
(7)
Figure 5-15
2. Close (Figure 5-15, (2)) the fuel cock
(Figure 5-15, (3)).
3. Loosen the drain cock (Figure 5-15, (4)) and
drain the contaminants. See Drain Fuel
Filter / Water Separator on page 5-23.
4. Turn the retaining ring (Figure 5-15, (5)) to the
left (Figure 5-15, (10)) and remove the cup
(Figure 5-15, (6)). If equipped, disconnect the
sensor wire (Figure 5-15, (7)) from the cup
before removing the cup.
5. Carefully hold the cup to prevent fuel from
spilling. If you spill any fuel, clean up the spill
completely.
5-34
(9)
(5)
(6)
(8)
(1)
0000073A
Periodic Maintenance Procedures
6. Remove the float ring (Figure 5-15, (8)) from
the cup. Pour the contaminants into the
container and dispose of it properly.
7. Clean the element (Figure 5-15, (9)) and inside
cup. Replace the element if it is damaged.
Applicable Element Part No.
All Models
8. Install the element and O-ring in the bracket.
9. Position the float ring in the cup.
10. Check the condition of the cup O-ring. Replace
if necessary.
11. Install the cup to the bracket by tightening the
retaining ring to the right (Figure 5-15, (6)) to a
torque of 11 - 15 ft·lb (15 - 20 N·m;
1.5 - 2.0 kgf·m).
12. Close the drain cock. Reconnect the sensor
wire if equipped.
13. Open the fuel cock (Figure 5-15, (3)).
14. Prime the fuel system. See Priming the Fuel
System on page 4-13.
15. Check for leaks.
TNV DI Service Manual
119802-55710