Section 4 – OUTRIGGER SETTING Mini-Crawler Crane M A E D A
4-46 1/2019 MC405C-3
Tasks to Be Performed after
Starting Engine
WARNING!
• There are four outriggers. Be careful to
operate the eight individual outrigger
switches correctly. Check the position on
the "number plate" affixed to each outrigger
against the number indicated on the
"operation plate" on the switch unit.
Operating the wrong outrigger may result in
serious accidents.
• Set the engine speed to low speed when
operating the outrigger switches.
If the engine speed is set to high speed, the
outriggers may operate suddenly, resulting
in machine toppling or other serious
accidents.
• The overturning alarm buzzer sounds if the
machine tilts for "3 degrees" or more when
setting the outriggers. Operate the outrigger
switches and adjust the machine to be
levelled in which state the alarm buzzer will
not sound.
1. See "STARTING ENGINE" on page 4-18
and start the engine.
2. Release your foot from the acceleration
pedal (6) and change the engine speed to
idling.
Fig. 4-108
3. Check the number on the operation plate at
the switches on the outrigger operation
panel to determine which outrigger to be
operated.
Fig. 4-109
4. Push down an outrigger extension switch or
two of them at the same time to the "OUT"
side.
When the outrigger extension cylinder
extends and the inner box extends to the
desired position, set the switch to the
"Neutral" position.
Operate the remaining switches in the same
way and extend the inner box of the four
outriggers to the desired position. Set the
switch to the "Neutral" position.
Fig. 4-110
5. Push down an outrigger grounding switch or
two of them at the same time to the "OUT"
(downward) side.
When the setting cylinder extends and the
tray is set, set the switch to the "Neutral"
position.
Operate the remaining switches in the same
way and set the tray of all the four
outriggers. Set the switch to the "Neutral"
position.
Fig. 4-111
Fig. 4-112