Komatsu HB365LC-3 Operation & Maintenance Manual page 459

ATTACHMENTS AND OPTIONS
3.
Operate each work equipment control lever and attach-
ment control pedal fully to the front, rear, right, and left a
few times within 15 seconds to release the internal pres-
sure in the hydraulic circuit.
4.
Loosen the oil filler cap (F) slowly on the top of the hy-
draulic tank to release the internal pressure in the hydraul-
ic tank.
5.
Check that the hydraulic oil temperature is low.
6.
Turn the rotor of the stop valve, which is installed to the
piping for the inlet port and the outlet port on the side face
of the arm, to LOCK position (b).
(a) FREE
Hydraulic oil flows. (direction of arrow is parallel to longitu-
dinal direction of arm)
(b) LOCK
Hydraulic oil stops. (direction of arrow is perpendicular to
longitudinal direction of arm)
Follow the procedure below for setting the stop valve to
LOCK position (b).
1)
Remove the bolt (1) and washer (2).
2)
Attach the lever (3).
3)
Turn the lever (3) to rotate the valve to LOCK position
(b) at the clockwise end or the counterclockwise end.
4)
Remove the lever (3).
5)
Install the bolt (1) and washer (2) again.
7.
Install the plate (4) at the tip of the stop valve piping. (2
places on the right and left)
HANDLE MACHINE READY FOR INSTALLATION OF ATTACHMENT
6-17