Section 4 – CRANE OPERATION Mini-Crawler Crane M A E D A
4-50 3/2019 MC305C-3
Place Crane on Level and Hard Soil
WARNING!
• ALWAYS place the outriggers on a level,
stable and solid ground.
• Attempt to work with crane without
outriggers firmly contacting the ground may
cause the Machine to trip.
• ALWAYS place all outriggers before working
with crane.
• Do NOT set any outrigger near the location
that may collapse, for instance a soft ground,
roadside or drilled hole.
• In case the outriggers need to be placed on a
soft ground for unavoidable reason,
ALWAYS reinforce the ground by laying a
sufficiently large and strong base plate
below each of all outrigger supports.
Fig. 4-129
CRANE OPERATION
63B62BDos and Don’ts During Crane
Operations
WARNING!
• Always set the outriggers on the levelled
solid ground when performing the crane
operations.
• Never perform travelling hoist or the crane
operations without setting the outriggers.
• The machine will be unstable and overturn,
leading to serious accidents.
• See the cautions given in the Safety besides
the dos and don’ts in this section.
Do Not Operate with Slewing Force
Drawing in or lifting the load with slewing
operation is prohibited.
Fig. 4-130
Do Not Operate with Derricking Force
Drawing in or lifting the load with boom lift
operation is prohibited.
Fig. 4-131
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