Maeda MC815C, Operation Manual, Page: 323 / 426

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[3] REPLACEMENT OF FUEL PRE-FILTER
• Remember to stop the engine and turn the engine key to OFF, when replacing the filter.
• Be extremely careful of fire such as cigarettes when replacing the fuel pre-filter.
• Various parts are at elevated temperatures immediately after engine operation. Do not
proceed with fuel pre-filter element replacement immediately but wait for the engine to
cool down to the extent that you can touch it with your hand.
1. Place the machine on a level surface.
2. See “OPERATION 1.8 RADIATOR COVER” and remove
the radiator cover.
3. Turn the fuel lever (4) of the fuel pre-filter (2) to the
horizontal position (closed) to shut off the fuel.
4. Place an oil pan beneath the drain cock (6), and loosen
the drain cock (6) and drain the fuel and contaminants.
5. Remove the cup (5) by turning to left.
NOTES
Wipe off the oil spills completely.
6. Remove the float (7) from the cup (5).
7. Remove the element (8).
8. Wash inside the cup (5) with new fuel oil.
9. Check condition of the Oring (9), and replace if
necessary.
10. Set the float (7) inside the cup (5), and attach the Oring
(9) and new element (8).
NOTES
Tightening torque of the cup (5) is as below.
Tightening torque : 1.0~2.0 N•m (0.1~0.2 kgf•m)
11. Close the drain cock (6).
12. Turn the fuel lever (4) of the fuel pre-filter (2) to the
vertical position (opened).
13. Bleed air from the fuel system in following process.
(1) Turn the starter switch to ON position and hold at the
position for 10~15 seconds, and wait until fuel is filled
inside the fuel pre-filter (2).
(2) When fuel is filled inside the fuel pre-filter (2), turn
the starter switch to OFF position.
CAUTION
If you start the engine without bleeding the air, air may
be mixed in, causing burning out of the supply pump
or the injector.