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RELEASING THE PRESSURE TRAPPED IN THE HYDRAULIC SYSTEM
• Pulling the auxiliary-port-lever (B) sends oil to the
pipe-B (F).
• Pressing the auxiliary-port-lever-lock-knob fully to
the lock position (C), you can hold the position of
auxiliary-port-lever.
(1) Auxiliary port lever
(2) Auxiliary port lever lock knob
(3) Pipe-1
(4) Pipe-2
Max. flow volume (theoretical)
Max. pressure
IMPORTANT :
• When you do not use the auxiliary port for a
long period, dirt particles can settle in the lower
part of the auxiliary-port-lines.
When you remove the plugs on the auxiliary-
port-lines to connect attachments, drain the
following amount of oil per side before
connecting.
Oil
R430
(A) Push
(B) Pull
(C) Lock
(D) Unlock
(E) Oil to pipe-1
(F) Oil to pipe-2
42.1 L/min.
18.6 MPa
2
(190 kgf/cm
)
Approx. 0.1 L
OPERATION OF THE MACHINE
RELEASING THE PRESSURE
TRAPPED IN THE HYDRAULIC
SYSTEM
1. Lower the attachments to the ground and push the
control-lever-lock-knob and auxiliary-port-lever-lock-
knob to lock.
2. Turn the starter key to the [STOP] position and shut
off the engine.
3. Pull the control-lever-lock-knob and auxiliary-port-
lever-lock-knob to unlock.
(1) Control lever lock knob
(2) Auxiliary port lever lock knob
4. Move the control lever to release the pressure in
the hydraulic system.
MULTI-COUPLER TO ATTACH
THE FRONT ATTACHMENT
1. Mechanical multi-coupler
This machine utilizes a mechanical multi-coupler for
easy
connection
and
attachments.
By replacing the front attachments, you can use this
machine in agriculture, raising stock, landscaping,
gardening, and snow removal as well as general civil
engineering and construction work.
1.1 Attaching the front attachments to the
mechanical multi-coupler
Attach the front attachments to the mechanical multi-
coupler as the procedure in this section.
WARNING
To avoid personal injury or death:
• After carrying out the attaching procedures of
front attachments, make sure that the front
attachment
is
securely
mechanical
multi-coupler,
attachment may be detached.
(A) Lock
(B) Unlock
disconnection
of
various
attached
to
or
the
front
the
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