Inspection Every 500 Hours Or 6 Months - Yanmar 3TNV Series Service Manual

2.2.5 Inspection every 500 hours or 6 months

Be sure to check the following points every 500 hours or 6 months operation, whichever comes first.
No.
(1) Water separator cleaning
(2) Fuel filter element replacement
(3) Air cleaner cleaning and element replacement
(1) Water separator cleaning
Periodically wash the water separator element and
inside cup with clean fuel oil.
1) Prepare a waste oil container.
2) Close the fuel cock.
3) Loosen the drain cock and drain.
Refer to 2.2.3.(2)
4) Turn the retaining ring counter-clockwise and
remove the cup.
(Disconnect the coupler of the lead wire for drain
sensor before removing the cup if it is with drain
sensor).
5) Wash the element and inside cup with clean fuel
oil. Replace the element with new one if any
damaged.
Model
3TNV82A
4TNV106(T)
6) Insert the element to the bracket (O-ring) and
after putting the float ring in the cup, install it to
the bracket by tightening the retaining ring
clockwise.
Tightening torque: 15 20Nm (1.5 2.0kgf-m)
7) Close the drain cock (connect the coupler if with
drain sensor).
8) Bleed the fuel system. Refer to 2.2.3.(3)
Inspection Item
Applicable element Part No.
119802-55710
35
2. Inspection and Adjustment