Maeda CC1908S-1 - Page 94

4.3 MOMENT LIMITER (OVERLOAD PREVENTION DEVICE) M A E D A Crawler Crane
4-28 5/2020 CC1908S-1
[6] Boom angle display
Continuously displays the current boom angle
while the crane is being operated.
The boom angle refers to the angle between the
boom and horizontal.
[7] Boom length display
Continuously displays the current boom length
while the crane is being operated.
The boom length refers to the distance from the
base pin of the boom to the sheave pin of the tip
boom.
[8] Boom height display
Continuously displays the current boom tip height
while the crane is being operated.
The boom height refers to the vertical distance
from the ground to the boom tip.
[9] Load factor display
The moment limiter load factor status is indicated
by illuminated bars as the load factor varies.
Load factor display 100 to 110 (Load
factor 100 % or more)
Red
Load factor display 90 (Load factor
90 % to less than 100 %)
Yellow
Load factor display 0 to 80 (Load
factor less than 90 %)
Green
[10] Over un-winding display
If the hook is lowered too far while the crane is
being operated, the mark flashes in red to give a
warning and automatically stops the hook from
lowering farther.
[11] Overwinding display
If the hook is overwound while the crane is being
operated, the mark flashes in red to give an
overwinding warning and automatically stops
hook hoisting and boom extension.
When stowing the hook, the mark flashes in red
even when the hook is stowed, but this is not an
error.