4 When the red indicator pin (A) on the quick
coupler is extended completely, carefully
release the bucket from the attachment quick
coupler by operating the bucket cylinder to its
inner end position (bucket out).
NOTE!
If the red indicator pin (A) is not extended, increase
the hydraulic pressure to the lock cylinder by
carefully moving the bucket cylinder to its outer end
position (bucket in), and keeping it under pressure
for about a second.
5 Disconnect the bucket by extending the dipper
arm and raising the boom.
6 Press the right-hand attachment quick coupler
switch to position (0) to close the attachment
quick coupler. See page
79
for more information.
NOTE!
When the switch is in position (0), the buzzer
sounds and the check message for confirmation
and indicator are displayed in the IC (Instrument
Cluster).
A Red indicator pin
B Bucket pins
C Lift hook
D Lock wedge
E Hooks for gripping attachment
Attachment quick coupler switch, right
V1147255
CONFIRM QUICK COUPLER
IS LOCK
Confirm quick coupler is locked
Operating techniques
Attachments, connecting and disconnecting
229
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