Komatsu PC210-11, Operation & Maintenance Manual

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4.
Loosen oil filler cap (F) slowly on the top of the hydraulic
tank to release the internal pressure in the hydraulic tank.
5.
Check that the hydraulic oil temperature is low.
6.
After checking that the oil temperature is low, set the rotor
of the stop valve installed to the inlet port on the side face
of the arm and the outlet port piping to LOCK position (b).
(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, remove bolt (1), and washer (2) fit lever (3) and
refit bolt (1) and washer (2) rotate valve to furthest po-
sition clockwise or anti-clockwise. After setting, re-
move lever (3) and refit bolt (1) and washer (2).
7.
Remove the hoses on the attachment side. Install the plate
(4) to the two outlets.
The plugs are used to prevent the attachment from making
incorrect operation caused by mixing in of foreign matter.
After the plugs are correctly installed, store the attach-
ment.
8.
Pull out the mounting pins (2 places), remove the attach-
ment, then install the bucket.
For the installation procedure of the bucket, see “METHOD
FOR INVERTING BUCKET (3-208)”.
9.
Check the oil level in the hydraulic tank.
For detail, see “METHOD FOR CHECKING OIL LEVEL IN
HYDRAULIC TANK, ADDING OIL (3-146)”.
METHOD FOR INSTALLING ATTACHMENT
1.
Remove the bucket.
For the removal procedure of the bucket, see “METHOD FOR INVERTING BUCKET (3-208)”.
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ATTACHMENTS AND OPTIONS HANDLE MACHINE READY FOR INSTALLATION OF ATTACHMENT
6-45