Komatsu HB215LC-3, Operation & Maintenance Manual

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QUICK COUPLER MANIFOLD PORT LOCATION AND HYDRAULIC CONNECTIONS
OPERATION OF QUICK COUPLER
TO RELEASE A BUCKET OR ATTACHMENT
k k
WARNING
Pressure in the system can cause injury. Follow all instructions in ATTACHMENT REMOVAL AND IN-
STALLATION.
If the bucket or attachment has any hydraulic connections to the machine these must be disconnected before
proceeding.
1.
Position the attachment on the ground safely where it is to be left. Take care that it will not roll or slide after
release.
(1) Operation switch
REMARK
The switch has a safety lock mechanism to prevent acci-
dental operation. Slide the lock towards you then rock the
switch. The lamp on the switch will come on and a warning
buzzer will sound.
NOTICE
Operation will only take place if button (2) is also
pressed.
(A) : When depressed at this point quick coupler deactivat-
ed. (Lock bucket/attachment)
(B) : When depressed at this point quick coupler is ready
to be activated. (Release bucket/attachment)
2.
With switch (1) in position “B” press and hold button (2) on
the left hand lever to activate quick coupler.
KS000874
KS000875
ATTACHMENTS AND OPTIONS QUICK COUPLER SYSTEM
6-5