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ATTACHMENTS AND OPTIONS
7.
Set the lock lever to LOCK position (L).
8.
Loosen oil filler cap (F) slowly on the top of the hydraulic
tank to release the internal pressure in the hydraulic tank.
9.
Check that the hydraulic oil temperature is low.
10. Remove the plugs (2 places) at the outlet and inlet.
Be careful not to get any dirt or mud on the hose fitting.
If an O-ring is damaged, replace it with a new one.
11. Connect the hose on the attachment side.
Check the direction of flow of the oil and be careful not to
make any mistake.
12. Set the rotor of the stop valve installed to the inlet port on
the side face of the arm and the outlet piping to FREE po-
sition (a).
(a) FREE: Hydraulic oil flows (direction of arrow is parallel
to longitudinal direction of arm)
(b) LOCK: Hydraulic oil does not flow (direction of arrow is
at right angle to longitudinal direction of arm)
When setting FREE or LOCK position of the stop valve, re-
move bolt (1), and washer (2), fit lever (3) and refit bolt (1)
and washer (2), rotate valve to furthest position clockwise
or anti-clockwise. After setting, remove lever (3) and refit
bolt (1) and washer (2).
13. After installing the attachment, check the oil level in the hy-
draulic tank.
For detail, see "METHOD FOR CHECKING OIL LEVEL IN
HYDRAULIC TANK, ADDING OIL (3-146)".
HANDLE MACHINE READY FOR INSTALLATION OF ATTACHMENT
6-47
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