Komatsu PC80MR-5E0, Operation & Maintenance Manual

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4.
Depending on the design of the quick coupler it may be necessary to operate one of the hydraulic functions
of the machine (bucket, boom, arm or swing) to raise the pressure in the hydraulic system.
The quick coupler will now release the attachment/bucket.
TO PICK UP A NEW BUCKET OR ATTACHMENT
1.
Position the quick coupler over the new bucket or attach-
ment.
2.
Operate switch (1), and with switch (1) in position “a” press
and hold button (2) on the left hand lever, to activate quick
coupler.
NOTICE
The switch has a safety lock mechanism to prevent ac-
cidental operation. Slide the lock towards you then
rock the switch. The lamp on the switch will come on
and a warning buzzer will sound.
3.
Position the quick coupler in the mating portion of the
bucket or attachment, moving the bucket cylinder, arm and
boom as necessary.
Follow the quick coupler manufacturer's instructions.
4.
Release button (2).
5.
Return switch (1) to position “b” (OFF).
The lamp will go off and the buzzer stop.
RKA64200
RKA48360
RKA45970
ATTACHMENTS AND OPTIONS QUICK COUPLER SYSTEM
6-7
WENAM00241