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MACHINE OPERATIONS AND CONTROLS
3.
Loosen drain valve (4) and drain water and sediments
from transparent cup (2), and also drain all the fuel from
fuel prefilter cartridge (1).
4.
Check that nothing more comes out from drain hose (3),
then remove drain valve (4).
5.
Apply a suitable amount of grease to O-ring (7).
REMARK
When applying grease, be careful not to allow the grease
to adhere to water drain port (8) and threaded part (9) of
the drain valve.
6.
Tighten drain valve (4) by hand until it contacts the bottom
of transparent cup (2).
7.
Remove the fuel container.
8.
Turn valve (6) at the bottom of the fuel tank to OPEN posi-
tion (O).
9.
Bleed air from the fuel system.
METHOD FOR CHECKING OIL LEVEL IN HYDRAULIC TANK, ADDING OIL
•
Immediately after the engine is stopped, its parts and oil are still very hot and may cause burn in-
jury. Accordingly, wait until they have cooled down before starting the work.
•
When removing the oil filler cap, the oil may spout out. Turn it slowly to release the internal pres-
sure, then remove it.
1.
Set the machine in the posture shown in the figure.
If the machine is not set as shown in the figure, set it ac-
cording to the following procedure.
1)
Start the engine, and run it at low speed.
2)
Retract the arm and bucket cylinder rods to the end.
3)
Lower the boom to lower the bucket tooth to the
ground.
4)
Stop the engine.
2.
Turn the staring switch key to ON position within 15 sec-
onds after stopping the engine, and move each control lev-
er (for work equipment and travel) to the full stroke in all directions.
The internal pressure is released by this operation.
3.
Stop the engine.
3-146
k
k
WARNING
OPERATION
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