Maeda MC405C-3 - Boom Angle Display Section; Boom Length Display Section; Lifting Height Display Section; Outrigger Extension LED (Blue)

Mini-Crawler Crane M A E D A Section 4 – MOMENT LIMITER (OVERLOAD DETECTOR)
1/2019 MC405C-3 4-77
Working Radius Display Section
This section constantly displays the current
working radius during the crane operation.
The working radius is the horizontal distance
from the crane slewing centre to the centre of the
hook.
Fig. 4-198
Boom Length Display Section
This section constantly displays the current boom
length during the crane operation.
The boom length is the distance from the boom
foot pin to the sheave pin at the end of the boom.
Fig. 4-199
Lifting Height Display Section
This section constantly displays the current lifting
height during the crane operation.
The lifting height is the vertical distance from the
ground to the bottom of the hook.
Boom Angle Display Section
This section constantly displays the current boom
angle during the crane operation.
The boom angle is the angle the boom and the
horizontal line form.
Over Winding LED (Red)
This LED flashes up when the hook is
overwound, and issues overwinding warning and
causes an automatic stop.
This LED also flashes when the hook is stowed
during the hook stowing operation. This is
normal.
Fig. 4-200
Outrigger Extension LED (Blue)
The LED lights up to indicate the outrigger
extension status.
Fig. 4-201
• If any of the four outriggers has not properly
reached the middle extension position, the
"MIN" LED lights up.
• If all the four outriggers properly reach the
middle extension position, the "MID" LED lights
up.
• If all the four outriggers reach the maximum
extension position, the "MAX" LED lights up.
Even if you thought you had set the outriggers
at the maximum extension position, the "MID"
LED lights up if any of the outriggers did not
properly reach the maximum extension
position.