Komatsu WA380-8 Operation & Maintenance Manual page 414

HANDLE QUICK COUPLER
7.
Check that the attachment is horizontal to the left and right
and that each hook is correctly inserted.
8.
Operate lever (2) from HOLD position (B) to TILT position
(e), and set the coupler tilted fully.
9.
Put your hand off the quick coupler switch. The switch re-
turns to its original position, the pilot lamp (1) for releasing
quick coupler goes out, and the alarm buzzer stops sound-
ing.
10. Operate lever (2) from HOLD position (B) to TILT position
(e), keep it, and pull out the coupler plunger to lock the at-
tachment.
6-14
ATTACHMENTS AND OPTIONS
B
B
B
B
g0038107
g0038102
g0038109
g0038102
g0038100