Section 4 – CRANE OPERATION Mini-Crawler Crane M A E D A
4-58 3/2019 MC305C-3
4. With the boom stowing switch knocked to the
"ON" position, operate the boom derricking
lever (4) again to the "LOWER" (push
forward) side to stow the boom.
Fig. 4-160
NOTICE: When the boom stowing switch is at the
"ON" position, the pilot lamp at the switch section
lights up.
5. Operate the winch lever (3) to the "UP" (pull
toward you) side and winch until the hook
block automatically stops (over hoist).
Fig. 4-161
NOTICE: Hoisting the hook block too much will
result in the detection of over hoist. Then the
alarm buzzer and audible message of "Hook Over
Hoist" are heard and the hook raising operation
automatically stops.
6. With the hook stowing switch at the "ON"
position, operate the winch lever (3) to the
"UP" (pull toward you) side again and slowly
raise the hook block (4) to stow the block at
the bottom of the boom end.
Fig. 4-162
Fig. 4-163
NOTICE: Operating the hook stowing switch to
the "ON" position turns on the pilot lamp at the
switch section.
7. Verify that the boom stowing lamp (1) (green)
on the outrigger display lights up.
Fig. 4-164
NOTICE: If the boom stowing lamp (1) (green) on
the outrigger display does not light up, repeat the
boom lowering operation to the lowest position
and slewing operation.
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