Mini-Crawler Crane M A E D A Section 4 – FLY-JIB INSTALLATION AND STOWAGE
1/2019 MC405C-3 4-151
Fly-Jib Installation
WARNING! Stop the engine during operating
machine. If you operate crane without
stopping engine, the machine will suddenly
move to resort in a serious hazard.
According to following instructions, install fly-jib
from the left side of main boom to the head of
main boom.
1. Place the crane on solid and level ground.
Fig. 4-427
2. Retract main-boom to the minimum length
and lower to the limit.
3. Set up outrigger, and setting switch to "crane
mode".
4. Set moment limiter to "Fly-jib mode".
NOTICE: For more information, see "FLY-JIB
MOMENT LIMITER CONTROL" on page 4-167.
5. Follow next procedures to remove wire rope
connected to hook block.
CAUTION:
• Take care to avoid the wire rope winding
randomly.
• Avoid unwinding after the hook is
grounded; otherwise it will make the wire
rope wind randomly around the winch drum.
Fig. 4-428
(1) Raise the boom (1) to 5°, then lower the
hook (51) so that it almost touches the
ground.
(2) Press boom stowing switch to lower the
boom (1) to level, and deposit hook (51)
slowly on the ground.
(3) Stop the engine.
(4) Remove bolt (54) and pull wedge socket
pin (53) out and remove wedge socket
(52) from main boom.
(5) Remove wire clip (56).
Fig. 4-429
(6) Put a bar (A) (4 - 6mm in diameter) to
rope wedge (57) and hammer it to
direction arrow indicates (a). Then
remove wire rope (57).
Fig. 4-430
(7) Remove the wire rope (11) from the
hook.
(8) Remove the wire rope (11) from the
over winding detector weight (58).
(9) Remove over winding detector rope (59)
and over winding detector weight (58).
Fig. 4-431