39
(3) In case of the following, turn the key
switch to “LOWER CONTROL.”
‒ If you are not able to do the operation
from the upper control panel.
‒ If you want to operate the boom from the
lower control panel.
‒ If you want to perform the pre-start
checks.
NOTICE
• If you are using the emergency pump,
stopping an operation, or starting the
engine from the lower control panel,
you can operate the machine without
turning the enable switch.
• If you want to use the lower control
panel, make sure to check it during the
pre-start check.
Boom Operation
4‒2
Use the four control switches for the boom
elevation, telescope and rotation to operate
the boom.
M082K122
Enable Switch
Fly Jib Switch
(if equipped)
Boom Rotation Switch
Boom Telescope Switch
Boom Elevation Switch
fi g. 8‒27
Boom Elevating
4‒2‒1
Hold the enable switch up to “ON” and
operate the boom elevation switch to raise or
lower the boom.
Boom Rotating
4‒2‒2
Hold the enable switch up to “ON” and
operate the boom rotation switch to rotate the
boom.
Boom Telescoping
4‒2‒3
Hold the enable switch up to “ON” and
operate the boom telescope switch to extend
or retract the boom.
Fly Jib Elevating (If equipped)
4‒2‒4
Hold the enable switch up to “ON” and
operate the fl y jib switch to raise or lower the
fl y jib.
Platform Rotating Operation
4‒3
Hold the enable switch up to “ON” and
operate the platform rotation switch to rotate
the platform.
M082K221
Enable Switch
Platform Rotation Switch
fi g. 8‒28
System Failure Light
4‒4
The system failure light turns on
when there is a problem with the
electrical system.
M082L322
System Failure Light
fi g. 8‒29
WARNING
Stop using the machine and contact
AICHI or AICHIʼs dealer for inspections, if
this light goes on or blinks. Immediately,
retract and lower the boom fully, stop
the operation, and have the machine
checked.
NOTICE
This light also blinks when the machine
tilts excessively, but this is not a failure.