Service Manual User Manual

Section 9
9-48
9.8.7 Attachment Tilt and Slave Cylinder
Circuit
The attachment tilt functions are dependent on the posi-
tion of the attachment tilt mode switch (Fig. 9– 36 and Fig.
9– 37) and can be achieved by pressing and holding the
button on the top right of the joystick. Moving the joystick
backward controls attachment tilt UP. Moving the joystick
forward controls attachment tilt DOWN.
Flow is directed to either side of the attachment tilt and
slave cylinder pistons by shifting of the spool valve (Fig.
9– 39) in the attachment tilt section of the main control
valve assembly. The spool valve is shifted by pilot pres-
sure, actuated by joystick control and electrical solenoids.
System pressure is applied in the attachment tilt and
slave cylinder circuit (Fig. 9– 38 and Fig. 9– 40) from the
attachment tilt section of the main control valve.
Figure 9– 36. Control positions for attachment tilt up/down
and boom extend/retract.
Figure 9– 37. Control positions for boom lift/lower
and attachment tilt up/down.
Attachment Tilt Up/Down
& Boom Extend/Retract
(Right button depressed)
MODE 2A
Attachment Tilt with
Extend & Retract
Attachment
Tilt Mode
Switch In
MODE 2A
display panel symbol
OS2060
move handle
backward
move handle
forward
move handle
to the right
move handle
to the left
Attachment Tilt Up ........
Attachment Tilt Down....
Boom Extend ................
Boom Retract ................
Depress
Right Button
logic panel symbol
OS2060
Attachment Tilt
with Lift & Lower
Attachment
Tilt Mode
Switch In
MODE 2B
display panel symbol
OS2070
move handle
backward
move handle
forward
move handle
to the right
move handle
to the left
Boom Lift ......................
Boom Lower..................
Attachment Tilt Down ....
Attachment Tilt Up ........
Depress
Right Button
logic panel symbol
Boom Lift/Lower &
Attachment Tilt Up/Down
(Right button depressed)
OS2070
Model 3606 • Origin 10/99