IHI 17VX3 - Page 73

OPERATION
2. DOUBLE ACTION OPERATION
Wrench Fork and Others Controls
-----[jJCAUTION 1-----
ALWAYS set the marked ( ) in horizontal position. If the
marked ( I ) of the valve
is set in vertical position, the B port
of the double action does not function efficiently.
Switching the attachment hydraulic circuit.
Check the marked position
on the shift valve CD. Turn the
valve with a wrench and set the marked ( )
in horizontal
position, if necessary.
1) Unfold the pedal (?) into two pedal plates.
2) Move the lock lever @ to the unlocked position.
To actuate the port A :
Push down
on the front of the pedal (?) to actuate the port A.
To actuate the port B :
Push down
on the rear of the pedal (?) to actuate the port B.
3. SINGLE ACTION OPERATION
USED: FOR POWER PORT WORKS
II
Locked
17VX3
CRmJ
Set the mark
a (-) ira.horizontal
~ position
CD Shift Valve
----,-[iJCAUTION 1-----
The engine cannot be started if the power port is ON
(locked status with the pedal depressed).
Be sure to set the pedal at the neutral position before
starting the engine.
1) Fold the pedal into double layers.
2) Turn the pedal lock lever to the unlocked position and
release the pedal lock.
3) Push down the pedal and turn the pedal lock lever to the
locked position.
This makes it possible to supply the hydraulic pressure to
the high-pressure line of the power port.
The actuator can
be operated by the actuator's control
valve.
4) When the power port
is out of service, ALWAYS set the
pedal back to the neutral position and pedal lock lever to
the locked position.
3-7-2
Ii
Power Port
Pedal
Unlocked Ii
Depressed
pedal and
Locked pedal