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Hydraulic Type Quick Coupler Operation
M4GB-13-001
M4GB-01-175
M4GB-13-002
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Hydraulic Type Quick Coupler Operation
A quick coupler is a system by which a front attachment work
tool such as a bucket can be easily replaced with other type of
a work tool.
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WARNING: During replacement work, keep personnel
away from the machine. Removal and installation of
pins can be achieved from the operator’s seat.
Removal:
Before removing a work tool, disconnect hydraulic hoses
from the attachment cylinders other than disconnecting
hydraulic hoses from the bucket and lift arm cylinders.
(Refer to page 13-5 for information on hydraulic
hose connection and disconnection.) Put the bucket
(attachment) to be removed on a support such as a pallet if
available.
1. Horizontally lift the bucket by approx. 20 cm above the
pallet.
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WARNING: Before leaving the machine apply the
parking brake.
2. Operate the quick coupler cylinder with hydraulic
coupler switch (1) to remove pin (4).
3. While pulling to slide lock switch (2), continue to press
switch removal position (3) to remove the coupler
cylinder pin (4).
4. To allow the quick coupler pin to be removed, position
the bucket (attachment) as closely to the rear of the
pallet as possible.
5. While slowly lowering the lift arm, slightly tilt the bucket
forward by operating the bucket cylinder to allow the
bucket to come off the quick coupler.
Horizontally lift the bucket
MNDF-01-006
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