M A E D A Mini-Crawler Crane Section 4 – OUTRIGGER UN-SET WARNING LAMP (RED)
3/2019 MC305C-3 4-33
Boom Stowing Lamps
This lamp turns on and indicates that the boom is
stowed.
The boom stowing lamp turns on and off in
accordance to the following two types of detection
switches. (When both of the detection switches
detect.)
Boom Stowing Detection in Slewing Direction
The lamp turns on when the boom stops at the
slew and stow position, and turns off when the
boom leaves the slew and stop position.
Boom movements are detected by the projection
(2) (slew) on the post and the detection switch (1)
(fix) on the travelling dolly.
Fig. 4-71
Boom Stowing Detection in Horizontal
Direction
The lamp turns on when the boom stops at the
horizontal stowing position, and turns off when the
boom leaves the horizontal stowing position.
Boom movements are detected by the projection
(4) (movable) at the side of the boom rear edge
and the detection switch (3) (fixed) at the boom
connection.
Fig. 4-72
OUTRIGGER UN-SET
WARNING LAMP (RED)
This lamp flashes to indicate that one or more of
the four outriggers are not properly set.
Fig. 4-73
NOTICE:
• The outrigger un-set warning lamp flashes if
extension or setting of any of the four outriggers
cannot be detected.
• The outrigger un-set warning lamp is interlocked
with the working status lamp (red) for moment
limiter. As soon as the outrigger un-set warning
lamp flashes, the working status lamp (red) also
rotates and lights up.
Fig. 4-74
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