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Operation Section
Quick Coupler (Tilt Backward) - Push
joystick control (13) to the left in order to tilt the
quick coupler backward. When joystick
control (13) is released, the joystick control will return
to the HOLD position.
Boom Extend - Push thumb wheel (13B)
forward in order to extend the boom. When the
thumb wheel is released, the thumb wheel will
return to the HOLD position.
Note: The boom will not extend when the
transmission control is in the REVERSE position. The
function for extending the boom will resume if the
transmission is neutralized by the service brake, the
parking brake, or the transmission neutralizer button.
Boom Retract - Pull thumb wheel (13B)
backward in order to retract the boom. When
the thumb wheel is released, the thumb wheel
will return to the HOLD position.
Auxiliary Controls - Press switch (13E) in
order to toggle between the hydraulic circuits
for the auxiliary 1 and auxiliary 2. Press switch
(13C) in order to operate an actuator for a work tool in
the positive direction. Press switch (13D) in order to
operate an actuator for a work tool in the negative
direction. Switches (13E), (13C) and (13E) are not
operated proportionally.
Illustration 72 g01017263
When auxiliary 2 is selected, indicator light (13G) will be
illuminated.
The speed of the following functions is governed by the
amount of movement of the joystick control and engine
speed:
•Boom raise
•Boom lower
• Quick coupler (tilt forward)
• Quick coupler (tilt backward)
For smooth operation, first increase the engine speed
from low idle. Then, move joystick control (13) slowly
until the attachment is moving at the required speed.
The speed of the boom extend and boom retract is
governed by the amount of movement of thumb wheel
(13B).
Move joystick control (13) diagonally in order to
simultaneously tilt the quick coupler forward or
backward while the boom is being raised or lowered.
Move joystick control (13) diagonally. At the same time
operate thumb wheel (13B) in order to simultaneously
tilt the quick coupler while the boom is being operated
in two directions.
Type A Control Arrangement (Double Thumb
Wheel)
Illustration 73 g01051074
Film for joystick with double thumb wheel
Machines that have the Type A control arrangement are
equipped with decal (13A) that is shown above. The
joystick control operates in the following way:
Illustration 74 g01213466
Boom Raise - Pull the joystick control
backward in order to raise the boom. When the
joystick control is released the joystick control
will return to the HOLD position.
Boom Lower - Push the joystick control
forward in order to lower the boom. When the
joystick control is released the joystick control
will return to the HOLD position.