Kato SR-300L, Instruction Manual

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WARNING
(3) Lock the suspension with the lock pins before setting the
outriggers.
(4) Check outrigger extension width
Before starting work, check that the outriggers are extended to
the width specified in the rated lifting capacity chart.
(5) Set up the crane level
A leaning crane compromises stability and strength. This
reduces the effective lifting capacity and can cause the crane to
tip over. Use the level gauge to make sure the crane is level.
(6) Check the state of outrigger setting
If the outriggers are not set properly, the crane's lifting capacity
will be reduced and the crane may be caused to tip over. Before
starting work, check the following points with special care.
・ Outrigger stopper pins
・
Tires should be clear of the ground
・
Outrigger floats in contact with the ground
・ Crane level