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MAINTENANCE
8.
Operate the work equipment control levers, and extend the
boom cylinder, bucket cylinder, and arm cylinder to their
stroke end.
Set the work equipment in the posture shown in the figure.
9.
Set the lock lever securely to LOCK position (L).
Be sure to operate the lock lever by the operating portion
on the top.
10. Stop the engine.
11. Tighten the cap of oil filler port (F) on the hydraulic tank se-
curely.
By doing so, the hydraulic tank is pressurized.
NOTICE
If the hydraulic tank is not pressurized, air is sucked in
the pump and it affects the components badly.
12. Return the plate (4) on the oil filler port (F) of the hydraulic tank to its original position, and fix it with bolt (3).
13. Close the dirt cover (1).
MAINTENANCE PROCEDURE
4-81
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